* [PATCH 5.15 001/244] ALSA: info: Fix llseek return value when using callback
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 002/244] ALSA: hda/realtek: Add quirk for Clevo NS50PU, NS70PU Greg Kroah-Hartman
` (244 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Amadeusz Sławiński, Takashi Iwai
From: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
commit 9be080edcca330be4af06b19916c35227891e8bc upstream.
When using callback there was a flow of
ret = -EINVAL
if (callback) {
offset = callback();
goto out;
}
...
offset = some other value in case of no callback;
ret = offset;
out:
return ret;
which causes the snd_info_entry_llseek() to return -EINVAL when there is
callback handler. Fix this by setting "ret" directly to callback return
value before jumping to "out".
Fixes: 73029e0ff18d ("ALSA: info - Implement common llseek for binary mode")
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220817124924.3974577-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/core/info.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -111,9 +111,9 @@ static loff_t snd_info_entry_llseek(stru
entry = data->entry;
mutex_lock(&entry->access);
if (entry->c.ops->llseek) {
- offset = entry->c.ops->llseek(entry,
- data->file_private_data,
- file, offset, orig);
+ ret = entry->c.ops->llseek(entry,
+ data->file_private_data,
+ file, offset, orig);
goto out;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 002/244] ALSA: hda/realtek: Add quirk for Clevo NS50PU, NS70PU
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 001/244] ALSA: info: Fix llseek return value when using callback Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 003/244] KVM: Unconditionally get a ref to /dev/kvm module when creating a VM Greg Kroah-Hartman
` (243 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Christoffer Sandberg, Werner Sembach,
Takashi Iwai
From: Christoffer Sandberg <cs@tuxedo.de>
commit 90d74fdbd8059bf041ac797092c9b1d461555280 upstream.
Fixes headset microphone detection on Clevo NS50PU and NS70PU.
Signed-off-by: Christoffer Sandberg <cs@tuxedo.de>
Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220817135144.34103-1-wse@tuxedocomputers.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/pci/hda/patch_realtek.c | 1 +
1 file changed, 1 insertion(+)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9034,6 +9034,7 @@ static const struct snd_pci_quirk alc269
SND_PCI_QUIRK(0x1558, 0x70f4, "Clevo NH77EPY", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x70f6, "Clevo NH77DPQ-Y", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x7716, "Clevo NS50PU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x7717, "Clevo NS70PU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x7718, "Clevo L140PU", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x8228, "Clevo NR40BU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x8520, "Clevo NH50D[CD]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 003/244] KVM: Unconditionally get a ref to /dev/kvm module when creating a VM
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 001/244] ALSA: info: Fix llseek return value when using callback Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 002/244] ALSA: hda/realtek: Add quirk for Clevo NS50PU, NS70PU Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 004/244] x86/mm: Use proper mask when setting PUD mapping Greg Kroah-Hartman
` (242 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, David Matlack, Sean Christopherson,
Paolo Bonzini
From: Sean Christopherson <seanjc@google.com>
commit 405294f29faee5de8c10cb9d4a90e229c2835279 upstream.
Unconditionally get a reference to the /dev/kvm module when creating a VM
instead of using try_get_module(), which will fail if the module is in
the process of being forcefully unloaded. The error handling when
try_get_module() fails doesn't properly unwind all that has been done,
e.g. doesn't call kvm_arch_pre_destroy_vm() and doesn't remove the VM
from the global list. Not removing VMs from the global list tends to be
fatal, e.g. leads to use-after-free explosions.
The obvious alternative would be to add proper unwinding, but the
justification for using try_get_module(), "rmmod --wait", is completely
bogus as support for "rmmod --wait", i.e. delete_module() without
O_NONBLOCK, was removed by commit 3f2b9c9cdf38 ("module: remove rmmod
--wait option.") nearly a decade ago.
It's still possible for try_get_module() to fail due to the module dying
(more like being killed), as the module will be tagged MODULE_STATE_GOING
by "rmmod --force", i.e. delete_module(..., O_TRUNC), but playing nice
with forced unloading is an exercise in futility and gives a falsea sense
of security. Using try_get_module() only prevents acquiring _new_
references, it doesn't magically put the references held by other VMs,
and forced unloading doesn't wait, i.e. "rmmod --force" on KVM is all but
guaranteed to cause spectacular fireworks; the window where KVM will fail
try_get_module() is tiny compared to the window where KVM is building and
running the VM with an elevated module refcount.
Addressing KVM's inability to play nice with "rmmod --force" is firmly
out-of-scope. Forcefully unloading any module taints kernel (for obvious
reasons) _and_ requires the kernel to be built with
CONFIG_MODULE_FORCE_UNLOAD=y, which is off by default and comes with the
amusing disclaimer that it's "mainly for kernel developers and desperate
users". In other words, KVM is free to scoff at bug reports due to using
"rmmod --force" while VMs may be running.
Fixes: 5f6de5cbebee ("KVM: Prevent module exit until all VMs are freed")
Cc: stable@vger.kernel.org
Cc: David Matlack <dmatlack@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220816053937.2477106-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
virt/kvm/kvm_main.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1034,6 +1034,9 @@ static struct kvm *kvm_create_vm(unsigne
if (!kvm)
return ERR_PTR(-ENOMEM);
+ /* KVM is pinned via open("/dev/kvm"), the fd passed to this ioctl(). */
+ __module_get(kvm_chardev_ops.owner);
+
KVM_MMU_LOCK_INIT(kvm);
mmgrab(current->mm);
kvm->mm = current->mm;
@@ -1107,16 +1110,6 @@ static struct kvm *kvm_create_vm(unsigne
preempt_notifier_inc();
kvm_init_pm_notifier(kvm);
- /*
- * When the fd passed to this ioctl() is opened it pins the module,
- * but try_module_get() also prevents getting a reference if the module
- * is in MODULE_STATE_GOING (e.g. if someone ran "rmmod --wait").
- */
- if (!try_module_get(kvm_chardev_ops.owner)) {
- r = -ENODEV;
- goto out_err;
- }
-
return kvm;
out_err:
@@ -1140,6 +1133,7 @@ out_err_no_irq_srcu:
out_err_no_srcu:
kvm_arch_free_vm(kvm);
mmdrop(current->mm);
+ module_put(kvm_chardev_ops.owner);
return ERR_PTR(r);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 004/244] x86/mm: Use proper mask when setting PUD mapping
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (2 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 003/244] KVM: Unconditionally get a ref to /dev/kvm module when creating a VM Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 005/244] rds: add missing barrier to release_refill Greg Kroah-Hartman
` (241 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Aaron Lu, stable, Linus Torvalds
From: Aaron Lu <aaron.lu@intel.com>
commit 88e0a74902f894fbbc55ad3ad2cb23b4bfba555c upstream.
Commit c164fbb40c43f("x86/mm: thread pgprot_t through
init_memory_mapping()") mistakenly used __pgprot() which doesn't respect
__default_kernel_pte_mask when setting PUD mapping.
Fix it by only setting the one bit we actually need (PSE) and leaving
the other bits (that have been properly masked) alone.
Fixes: c164fbb40c43 ("x86/mm: thread pgprot_t through init_memory_mapping()")
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/mm/init_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -646,7 +646,7 @@ phys_pud_init(pud_t *pud_page, unsigned
pages++;
spin_lock(&init_mm.page_table_lock);
- prot = __pgprot(pgprot_val(prot) | __PAGE_KERNEL_LARGE);
+ prot = __pgprot(pgprot_val(prot) | _PAGE_PSE);
set_pte_init((pte_t *)pud,
pfn_pte((paddr & PUD_MASK) >> PAGE_SHIFT,
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 005/244] rds: add missing barrier to release_refill
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (3 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 004/244] x86/mm: Use proper mask when setting PUD mapping Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 006/244] locking/atomic: Make test_and_*_bit() ordered on failure Greg Kroah-Hartman
` (240 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Mikulas Patocka, David S. Miller
From: Mikulas Patocka <mpatocka@redhat.com>
commit 9f414eb409daf4f778f011cf8266d36896bb930b upstream.
The functions clear_bit and set_bit do not imply a memory barrier, thus it
may be possible that the waitqueue_active function (which does not take
any locks) is moved before clear_bit and it could miss a wakeup event.
Fix this bug by adding a memory barrier after clear_bit.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/rds/ib_recv.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -363,6 +363,7 @@ static int acquire_refill(struct rds_con
static void release_refill(struct rds_connection *conn)
{
clear_bit(RDS_RECV_REFILL, &conn->c_flags);
+ smp_mb__after_atomic();
/* We don't use wait_on_bit()/wake_up_bit() because our waking is in a
* hot path and finding waiters is very rare. We don't want to walk
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 006/244] locking/atomic: Make test_and_*_bit() ordered on failure
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (4 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 005/244] rds: add missing barrier to release_refill Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 007/244] drm/nouveau: recognise GA103 Greg Kroah-Hartman
` (239 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Linus Torvalds, Hector Martin,
Will Deacon, Arnd Bergmann
From: Hector Martin <marcan@marcan.st>
commit 415d832497098030241605c52ea83d4e2cfa7879 upstream.
These operations are documented as always ordered in
include/asm-generic/bitops/instrumented-atomic.h, and producer-consumer
type use cases where one side needs to ensure a flag is left pending
after some shared data was updated rely on this ordering, even in the
failure case.
This is the case with the workqueue code, which currently suffers from a
reproducible ordering violation on Apple M1 platforms (which are
notoriously out-of-order) that ends up causing the TTY layer to fail to
deliver data to userspace properly under the right conditions. This
change fixes that bug.
Change the documentation to restrict the "no order on failure" story to
the _lock() variant (for which it makes sense), and remove the
early-exit from the generic implementation, which is what causes the
missing barrier semantics in that case. Without this, the remaining
atomic op is fully ordered (including on ARM64 LSE, as of recent
versions of the architecture spec).
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org
Fixes: e986a0d6cb36 ("locking/atomics, asm-generic/bitops/atomic.h: Rewrite using atomic_*() APIs")
Fixes: 61e02392d3c7 ("locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()")
Signed-off-by: Hector Martin <marcan@marcan.st>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/atomic_bitops.txt | 2 +-
include/asm-generic/bitops/atomic.h | 6 ------
2 files changed, 1 insertion(+), 7 deletions(-)
--- a/Documentation/atomic_bitops.txt
+++ b/Documentation/atomic_bitops.txt
@@ -59,7 +59,7 @@ Like with atomic_t, the rule of thumb is
- RMW operations that have a return value are fully ordered.
- RMW operations that are conditional are unordered on FAILURE,
- otherwise the above rules apply. In the case of test_and_{}_bit() operations,
+ otherwise the above rules apply. In the case of test_and_set_bit_lock(),
if the bit in memory is unchanged by the operation then it is deemed to have
failed.
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -39,9 +39,6 @@ arch_test_and_set_bit(unsigned int nr, v
unsigned long mask = BIT_MASK(nr);
p += BIT_WORD(nr);
- if (READ_ONCE(*p) & mask)
- return 1;
-
old = arch_atomic_long_fetch_or(mask, (atomic_long_t *)p);
return !!(old & mask);
}
@@ -53,9 +50,6 @@ arch_test_and_clear_bit(unsigned int nr,
unsigned long mask = BIT_MASK(nr);
p += BIT_WORD(nr);
- if (!(READ_ONCE(*p) & mask))
- return 0;
-
old = arch_atomic_long_fetch_andnot(mask, (atomic_long_t *)p);
return !!(old & mask);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 007/244] drm/nouveau: recognise GA103
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (5 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 006/244] locking/atomic: Make test_and_*_bit() ordered on failure Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 008/244] drm/ttm: Fix dummy res NULL ptr deref bug Greg Kroah-Hartman
` (238 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Karol Herbst, Lyude Paul
From: Karol Herbst <kherbst@redhat.com>
commit c20ee5749a3f688d9bab83a3b09b75587153ff13 upstream.
Appears to be ok with general GA10x code.
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Cc: <stable@vger.kernel.org> # v5.15+
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220803142745.2679510-1-kherbst@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../gpu/drm/nouveau/nvkm/engine/device/base.c | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 62efbd0f3846..b7246b146e51 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2605,6 +2605,27 @@ nv172_chipset = {
.fifo = { 0x00000001, ga102_fifo_new },
};
+static const struct nvkm_device_chip
+nv173_chipset = {
+ .name = "GA103",
+ .bar = { 0x00000001, tu102_bar_new },
+ .bios = { 0x00000001, nvkm_bios_new },
+ .devinit = { 0x00000001, ga100_devinit_new },
+ .fb = { 0x00000001, ga102_fb_new },
+ .gpio = { 0x00000001, ga102_gpio_new },
+ .i2c = { 0x00000001, gm200_i2c_new },
+ .imem = { 0x00000001, nv50_instmem_new },
+ .mc = { 0x00000001, ga100_mc_new },
+ .mmu = { 0x00000001, tu102_mmu_new },
+ .pci = { 0x00000001, gp100_pci_new },
+ .privring = { 0x00000001, gm200_privring_new },
+ .timer = { 0x00000001, gk20a_timer_new },
+ .top = { 0x00000001, ga100_top_new },
+ .disp = { 0x00000001, ga102_disp_new },
+ .dma = { 0x00000001, gv100_dma_new },
+ .fifo = { 0x00000001, ga102_fifo_new },
+};
+
static const struct nvkm_device_chip
nv174_chipset = {
.name = "GA104",
@@ -3092,6 +3113,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
case 0x167: device->chip = &nv167_chipset; break;
case 0x168: device->chip = &nv168_chipset; break;
case 0x172: device->chip = &nv172_chipset; break;
+ case 0x173: device->chip = &nv173_chipset; break;
case 0x174: device->chip = &nv174_chipset; break;
case 0x176: device->chip = &nv176_chipset; break;
case 0x177: device->chip = &nv177_chipset; break;
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 008/244] drm/ttm: Fix dummy res NULL ptr deref bug
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (6 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 007/244] drm/nouveau: recognise GA103 Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 009/244] drm/amd/display: Check correct bounds for stream encoder instances for DCN303 Greg Kroah-Hartman
` (237 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Arunpravin Paneer Selvam,
kernel test robot, Christian König
From: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
commit cf4b7387c0a842d64bdd7c353e6d3298174a7740 upstream.
Check the bo->resource value before accessing the resource
mem_type.
v2: Fix commit description unwrapped warning
<log snip>
[ 40.191227][ T184] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI
[ 40.192995][ T184] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[ 40.194411][ T184] CPU: 1 PID: 184 Comm: systemd-udevd Not tainted 5.19.0-rc4-00721-gb297c22b7070 #1
[ 40.196063][ T184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
[ 40.199605][ T184] RIP: 0010:ttm_bo_validate+0x1b3/0x240 [ttm]
[ 40.200754][ T184] Code: e8 72 c5 ff ff 83 f8 b8 74 d4 85 c0 75 54 49 8b 9e 58 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 44 8b 53 10 31 c0 85 d2 0f 85 58
[ 40.203685][ T184] RSP: 0018:ffffc900006df0c8 EFLAGS: 00010202
[ 40.204630][ T184] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1102f4bb71b
[ 40.205864][ T184] RDX: 0000000000000002 RSI: ffffc900006df208 RDI: 0000000000000010
[ 40.207102][ T184] RBP: 1ffff920000dbe1a R08: ffffc900006df208 R09: 0000000000000000
[ 40.208394][ T184] R10: ffff88817a5f0000 R11: 0000000000000001 R12: ffffc900006df110
[ 40.209692][ T184] R13: ffffc900006df0f0 R14: ffff88817a5db800 R15: ffffc900006df208
[ 40.210862][ T184] FS: 00007f6b1d16e8c0(0000) GS:ffff88839d700000(0000) knlGS:0000000000000000
[ 40.212250][ T184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.213275][ T184] CR2: 000055a1001d4ff0 CR3: 00000001700f4000 CR4: 00000000000006e0
[ 40.214469][ T184] Call Trace:
[ 40.214974][ T184] <TASK>
[ 40.215438][ T184] ? ttm_bo_bounce_temp_buffer+0x140/0x140 [ttm]
[ 40.216572][ T184] ? mutex_spin_on_owner+0x240/0x240
[ 40.217456][ T184] ? drm_vma_offset_add+0xaa/0x100 [drm]
[ 40.218457][ T184] ttm_bo_init_reserved+0x3d6/0x540 [ttm]
[ 40.219410][ T184] ? shmem_get_inode+0x744/0x980
[ 40.220231][ T184] ttm_bo_init_validate+0xb1/0x200 [ttm]
[ 40.221172][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]
[ 40.222530][ T184] ? ttm_bo_init_reserved+0x540/0x540 [ttm]
[ 40.223643][ T184] ? __do_sys_finit_module+0x11a/0x1c0
[ 40.224654][ T184] ? __shmem_file_setup+0x102/0x280
[ 40.234764][ T184] drm_gem_vram_create+0x305/0x480 [drm_vram_helper]
[ 40.235766][ T184] ? bo_driver_evict_flags+0x340/0x340 [drm_vram_helper]
[ 40.236846][ T184] ? __kasan_slab_free+0x108/0x180
[ 40.237650][ T184] drm_gem_vram_fill_create_dumb+0x134/0x340 [drm_vram_helper]
[ 40.238864][ T184] ? local_pci_probe+0xdf/0x180
[ 40.239674][ T184] ? drmm_vram_helper_init+0x400/0x400 [drm_vram_helper]
[ 40.240826][ T184] drm_client_framebuffer_create+0x19c/0x400 [drm]
[ 40.241955][ T184] ? drm_client_buffer_delete+0x200/0x200 [drm]
[ 40.243001][ T184] ? drm_client_pick_crtcs+0x554/0xb80 [drm]
[ 40.244030][ T184] drm_fb_helper_generic_probe+0x23f/0x940 [drm_kms_helper]
[ 40.245226][ T184] ? __cond_resched+0x1c/0xc0
[ 40.245987][ T184] ? drm_fb_helper_memory_range_to_clip+0x180/0x180 [drm_kms_helper]
[ 40.247316][ T184] ? mutex_unlock+0x80/0x100
[ 40.248005][ T184] ? __mutex_unlock_slowpath+0x2c0/0x2c0
[ 40.249083][ T184] drm_fb_helper_single_fb_probe+0x907/0xf00 [drm_kms_helper]
[ 40.250314][ T184] ? drm_fb_helper_check_var+0x1180/0x1180 [drm_kms_helper]
[ 40.251540][ T184] ? __cond_resched+0x1c/0xc0
[ 40.252321][ T184] ? mutex_lock+0x9f/0x100
[ 40.253062][ T184] __drm_fb_helper_initial_config_and_unlock+0xb9/0x2c0 [drm_kms_helper]
[ 40.254394][ T184] drm_fbdev_client_hotplug+0x56f/0x840 [drm_kms_helper]
[ 40.255477][ T184] drm_fbdev_generic_setup+0x165/0x3c0 [drm_kms_helper]
[ 40.256607][ T184] bochs_pci_probe+0x6b7/0x900 [bochs]
[ 40.257515][ T184] ? _raw_spin_lock_irqsave+0x87/0x100
[ 40.258312][ T184] ? bochs_hw_init+0x480/0x480 [bochs]
[ 40.259244][ T184] ? bochs_hw_init+0x480/0x480 [bochs]
[ 40.260186][ T184] local_pci_probe+0xdf/0x180
[ 40.260928][ T184] pci_call_probe+0x15f/0x500
[ 40.265798][ T184] ? _raw_spin_lock+0x81/0x100
[ 40.266508][ T184] ? pci_pm_suspend_noirq+0x980/0x980
[ 40.267322][ T184] ? pci_assign_irq+0x81/0x280
[ 40.268096][ T184] ? pci_match_device+0x351/0x6c0
[ 40.268883][ T184] ? kernfs_put+0x18/0x40
[ 40.269611][ T184] pci_device_probe+0xee/0x240
[ 40.270352][ T184] really_probe+0x435/0xa80
[ 40.271021][ T184] __driver_probe_device+0x2ab/0x480
[ 40.271828][ T184] driver_probe_device+0x49/0x140
[ 40.272627][ T184] __driver_attach+0x1bd/0x4c0
[ 40.273372][ T184] ? __device_attach_driver+0x240/0x240
[ 40.274273][ T184] bus_for_each_dev+0x11e/0x1c0
[ 40.275080][ T184] ? subsys_dev_iter_exit+0x40/0x40
[ 40.275951][ T184] ? klist_add_tail+0x132/0x280
[ 40.276767][ T184] bus_add_driver+0x39b/0x580
[ 40.277574][ T184] driver_register+0x20f/0x3c0
[ 40.278281][ T184] ? 0xffffffffc04a2000
[ 40.278894][ T184] do_one_initcall+0x8a/0x300
[ 40.279642][ T184] ? trace_event_raw_event_initcall_level+0x1c0/0x1c0
[ 40.280707][ T184] ? kasan_unpoison+0x23/0x80
[ 40.281479][ T184] ? kasan_unpoison+0x23/0x80
[ 40.282197][ T184] do_init_module+0x190/0x640
[ 40.282926][ T184] load_module+0x221b/0x2780
[ 40.283611][ T184] ? layout_and_allocate+0x5c0/0x5c0
[ 40.284401][ T184] ? kernel_read_file+0x286/0x6c0
[ 40.285216][ T184] ? __x64_sys_fspick+0x2c0/0x2c0
[ 40.286043][ T184] ? mmap_region+0x4e7/0x1300
[ 40.286832][ T184] ? __do_sys_finit_module+0x11a/0x1c0
[ 40.287743][ T184] __do_sys_finit_module+0x11a/0x1c0
[ 40.288636][ T184] ? __ia32_sys_init_module+0xc0/0xc0
[ 40.289557][ T184] ? __seccomp_filter+0x15e/0xc80
[ 40.290341][ T184] ? vm_mmap_pgoff+0x185/0x240
[ 40.291060][ T184] do_syscall_64+0x3b/0xc0
[ 40.291763][ T184] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 40.292678][ T184] RIP: 0033:0x7f6b1d6279b9
[ 40.293438][ T184] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a7 54 0c 00 f7 d8 64 89 01 48
[ 40.296302][ T184] RSP: 002b:00007ffe7f51b798 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 40.297633][ T184] RAX: ffffffffffffffda RBX: 00005642dcca2880 RCX: 00007f6b1d6279b9
[ 40.298890][ T184] RDX: 0000000000000000 RSI: 00007f6b1d7b2e2d RDI: 0000000000000016
[ 40.300199][ T184] RBP: 0000000000020000 R08: 0000000000000000 R09: 00005642dccd5530
[ 40.301547][ T184] R10: 0000000000000016 R11: 0000000000000246 R12: 00007f6b1d7b2e2d
[ 40.302698][ T184] R13: 0000000000000000 R14: 00005642dcca4230 R15: 00005642dcca2880
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726162205.2778-1-Arunpravin.PaneerSelvam@amd.com
Link: https://patchwork.freedesktop.org/patch/msgid/20220809095623.3569-1-Arunpravin.PaneerSelvam@amd.com
Signed-off-by: Christian König <christian.koenig@amd.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -987,7 +987,7 @@ int ttm_bo_validate(struct ttm_buffer_ob
/*
* We might need to add a TTM.
*/
- if (bo->resource->mem_type == TTM_PL_SYSTEM) {
+ if (!bo->resource || bo->resource->mem_type == TTM_PL_SYSTEM) {
ret = ttm_tt_create(bo, true);
if (ret)
return ret;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 009/244] drm/amd/display: Check correct bounds for stream encoder instances for DCN303
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (7 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 008/244] drm/ttm: Fix dummy res NULL ptr deref bug Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 010/244] ata: libata-eh: Add missing command name Greg Kroah-Hartman
` (236 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dan Carpenter, Chris Park,
Rodrigo Siqueira, Tom Chung, Aurabindo Pillai, Daniel Wheeler,
Alex Deucher
From: Aurabindo Pillai <aurabindo.pillai@amd.com>
commit 89b008222c2bf21e50219725caed31590edfd9d1 upstream.
[Why & How]
eng_id for DCN303 cannot be more than 1, since we have only two
instances of stream encoders.
Check the correct boundary condition for engine ID for DCN303 prevent
the potential out of bounds access.
Fixes: cd6d421e3d1a ("drm/amd/display: Initial DC support for Beige Goby")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Reviewed-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
@@ -500,7 +500,7 @@ static struct stream_encoder *dcn303_str
int afmt_inst;
/* Mapping of VPG, AFMT, DME register blocks to DIO block instance */
- if (eng_id <= ENGINE_ID_DIGE) {
+ if (eng_id <= ENGINE_ID_DIGB) {
vpg_inst = eng_id;
afmt_inst = eng_id;
} else
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 010/244] ata: libata-eh: Add missing command name
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (8 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 009/244] drm/amd/display: Check correct bounds for stream encoder instances for DCN303 Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 011/244] mmc: pxamci: Fix another error handling path in pxamci_probe() Greg Kroah-Hartman
` (235 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Damien Le Moal, Hannes Reinecke
From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
commit d3122bf9aa4c974f5e2c0112f799757b3a2779da upstream.
Add the missing command name for ATA_CMD_NCQ_NON_DATA to
ata_get_cmd_name().
Fixes: 661ce1f0c4a6 ("libata/libsas: Define ATA_CMD_NCQ_NON_DATA")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/ata/libata-eh.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2130,6 +2130,7 @@ const char *ata_get_cmd_descript(u8 comm
{ ATA_CMD_WRITE_QUEUED_FUA_EXT, "WRITE DMA QUEUED FUA EXT" },
{ ATA_CMD_FPDMA_READ, "READ FPDMA QUEUED" },
{ ATA_CMD_FPDMA_WRITE, "WRITE FPDMA QUEUED" },
+ { ATA_CMD_NCQ_NON_DATA, "NCQ NON-DATA" },
{ ATA_CMD_FPDMA_SEND, "SEND FPDMA QUEUED" },
{ ATA_CMD_FPDMA_RECV, "RECEIVE FPDMA QUEUED" },
{ ATA_CMD_PIO_READ, "READ SECTOR(S)" },
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 011/244] mmc: pxamci: Fix another error handling path in pxamci_probe()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (9 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 010/244] ata: libata-eh: Add missing command name Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 012/244] mmc: pxamci: Fix an " Greg Kroah-Hartman
` (234 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Christophe JAILLET, Ulf Hansson
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit b886f54c300d31c109d2e4336b22922b64e7ba7d upstream.
The commit in Fixes: has introduced an new error handling without branching
to the existing error handling path.
Update it now and release some resources if pxamci_init_ocr() fails.
Fixes: 61951fd6cb49 ("mmc: pxamci: let mmc core handle regulators")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/07a2dcebf8ede69b484103de8f9df043f158cffd.1658862932.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/host/pxamci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -672,7 +672,7 @@ static int pxamci_probe(struct platform_
ret = pxamci_init_ocr(host);
if (ret < 0)
- return ret;
+ goto out;
mmc->caps = 0;
host->cmdat = 0;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 012/244] mmc: pxamci: Fix an error handling path in pxamci_probe()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (10 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 011/244] mmc: pxamci: Fix another error handling path in pxamci_probe() Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 013/244] mmc: meson-gx: Fix an error handling path in meson_mmc_probe() Greg Kroah-Hartman
` (233 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Christophe JAILLET, Ulf Hansson
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit 98d7c5e5792b8ce3e1352196dac7f404bb1b46ec upstream.
The commit in Fixes: has moved some code around without updating gotos to
the error handling path.
Update it now and release some resources if pxamci_of_init() fails.
Fixes: fa3a5115469c ("mmc: pxamci: call mmc_of_parse()")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/6d75855ad4e2470e9ed99e0df21bc30f0c925a29.1658862932.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/host/pxamci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -648,7 +648,7 @@ static int pxamci_probe(struct platform_
ret = pxamci_of_init(pdev, mmc);
if (ret)
- return ret;
+ goto out;
host = mmc_priv(mmc);
host->mmc = mmc;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 013/244] mmc: meson-gx: Fix an error handling path in meson_mmc_probe()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (11 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 012/244] mmc: pxamci: Fix an " Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 014/244] btrfs: unset reloc control if transaction commit fails in prepare_to_relocate() Greg Kroah-Hartman
` (232 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Christophe JAILLET, Ulf Hansson
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit b3e1cf31154136da855f3cb6117c17eb0b6bcfb4 upstream.
The commit in Fixes has introduced a new error handling which should goto
the existing error handling path.
Otherwise some resources leak.
Fixes: 19c6beaa064c ("mmc: meson-gx: add device reset")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/be4b863bacf323521ba3a02efdc4fca9cdedd1a6.1659855351.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/mmc/host/meson-gx-mmc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1172,8 +1172,10 @@ static int meson_mmc_probe(struct platfo
}
ret = device_reset_optional(&pdev->dev);
- if (ret)
- return dev_err_probe(&pdev->dev, ret, "device reset failed\n");
+ if (ret) {
+ dev_err_probe(&pdev->dev, ret, "device reset failed\n");
+ goto free_host;
+ }
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->regs = devm_ioremap_resource(&pdev->dev, res);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 014/244] btrfs: unset reloc control if transaction commit fails in prepare_to_relocate()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (12 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 013/244] mmc: meson-gx: Fix an error handling path in meson_mmc_probe() Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 015/244] btrfs: reset RO counter on block group if we fail to relocate Greg Kroah-Hartman
` (231 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, TOTE Robot, Sweet Tea Dorminy,
Nikolay Borisov, Zixuan Fu, David Sterba
From: Zixuan Fu <r33s3n6@gmail.com>
commit 85f02d6c856b9f3a0acf5219de6e32f58b9778eb upstream.
In btrfs_relocate_block_group(), the rc is allocated. Then
btrfs_relocate_block_group() calls
relocate_block_group()
prepare_to_relocate()
set_reloc_control()
that assigns rc to the variable fs_info->reloc_ctl. When
prepare_to_relocate() returns, it calls
btrfs_commit_transaction()
btrfs_start_dirty_block_groups()
btrfs_alloc_path()
kmem_cache_zalloc()
which may fail for example (or other errors could happen). When the
failure occurs, btrfs_relocate_block_group() detects the error and frees
rc and doesn't set fs_info->reloc_ctl to NULL. After that, in
btrfs_init_reloc_root(), rc is retrieved from fs_info->reloc_ctl and
then used, which may cause a use-after-free bug.
This possible bug can be triggered by calling btrfs_ioctl_balance()
before calling btrfs_ioctl_defrag().
To fix this possible bug, in prepare_to_relocate(), check if
btrfs_commit_transaction() fails. If the failure occurs,
unset_reloc_control() is called to set fs_info->reloc_ctl to NULL.
The error log in our fault-injection testing is shown as follows:
[ 58.751070] BUG: KASAN: use-after-free in btrfs_init_reloc_root+0x7ca/0x920 [btrfs]
...
[ 58.753577] Call Trace:
...
[ 58.755800] kasan_report+0x45/0x60
[ 58.756066] btrfs_init_reloc_root+0x7ca/0x920 [btrfs]
[ 58.757304] record_root_in_trans+0x792/0xa10 [btrfs]
[ 58.757748] btrfs_record_root_in_trans+0x463/0x4f0 [btrfs]
[ 58.758231] start_transaction+0x896/0x2950 [btrfs]
[ 58.758661] btrfs_defrag_root+0x250/0xc00 [btrfs]
[ 58.759083] btrfs_ioctl_defrag+0x467/0xa00 [btrfs]
[ 58.759513] btrfs_ioctl+0x3c95/0x114e0 [btrfs]
...
[ 58.768510] Allocated by task 23683:
[ 58.768777] ____kasan_kmalloc+0xb5/0xf0
[ 58.769069] __kmalloc+0x227/0x3d0
[ 58.769325] alloc_reloc_control+0x10a/0x3d0 [btrfs]
[ 58.769755] btrfs_relocate_block_group+0x7aa/0x1e20 [btrfs]
[ 58.770228] btrfs_relocate_chunk+0xf1/0x760 [btrfs]
[ 58.770655] __btrfs_balance+0x1326/0x1f10 [btrfs]
[ 58.771071] btrfs_balance+0x3150/0x3d30 [btrfs]
[ 58.771472] btrfs_ioctl_balance+0xd84/0x1410 [btrfs]
[ 58.771902] btrfs_ioctl+0x4caa/0x114e0 [btrfs]
...
[ 58.773337] Freed by task 23683:
...
[ 58.774815] kfree+0xda/0x2b0
[ 58.775038] free_reloc_control+0x1d6/0x220 [btrfs]
[ 58.775465] btrfs_relocate_block_group+0x115c/0x1e20 [btrfs]
[ 58.775944] btrfs_relocate_chunk+0xf1/0x760 [btrfs]
[ 58.776369] __btrfs_balance+0x1326/0x1f10 [btrfs]
[ 58.776784] btrfs_balance+0x3150/0x3d30 [btrfs]
[ 58.777185] btrfs_ioctl_balance+0xd84/0x1410 [btrfs]
[ 58.777621] btrfs_ioctl+0x4caa/0x114e0 [btrfs]
...
Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Zixuan Fu <r33s3n6@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/btrfs/relocation.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3576,7 +3576,12 @@ int prepare_to_relocate(struct reloc_con
*/
return PTR_ERR(trans);
}
- return btrfs_commit_transaction(trans);
+
+ ret = btrfs_commit_transaction(trans);
+ if (ret)
+ unset_reloc_control(rc);
+
+ return ret;
}
static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 015/244] btrfs: reset RO counter on block group if we fail to relocate
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (13 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 014/244] btrfs: unset reloc control if transaction commit fails in prepare_to_relocate() Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 016/244] btrfs: fix lost error handling when looking up extended ref on log replay Greg Kroah-Hartman
` (230 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Boris Burkov, Josef Bacik, David Sterba
From: Josef Bacik <josef@toxicpanda.com>
commit 74944c873602a3ed8d16ff7af3f64af80c0f9dac upstream.
With the automatic block group reclaim code we will preemptively try to
mark the block group RO before we start the relocation. We do this to
make sure we should actually try to relocate the block group.
However if we hit an error during the actual relocation we won't clean
up our RO counter and the block group will remain RO. This was observed
internally with file systems reporting less space available from df when
we had failed background relocations.
Fix this by doing the dec_ro in the error case.
Fixes: 18bb8bbf13c1 ("btrfs: zoned: automatically reclaim zones")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/btrfs/block-group.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1575,9 +1575,11 @@ void btrfs_reclaim_bgs_work(struct work_
div64_u64(zone_unusable * 100, bg->length));
trace_btrfs_reclaim_block_group(bg);
ret = btrfs_relocate_chunk(fs_info, bg->start);
- if (ret)
+ if (ret) {
+ btrfs_dec_block_group_ro(bg);
btrfs_err(fs_info, "error relocating chunk %llu",
bg->start);
+ }
next:
btrfs_put_block_group(bg);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 016/244] btrfs: fix lost error handling when looking up extended ref on log replay
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (14 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 015/244] btrfs: reset RO counter on block group if we fail to relocate Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 017/244] cifs: Fix memory leak on the deferred close Greg Kroah-Hartman
` (229 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Filipe Manana, David Sterba
From: Filipe Manana <fdmanana@suse.com>
commit 7a6b75b79902e47f46328b57733f2604774fa2d9 upstream.
During log replay, when processing inode references, if we get an error
when looking up for an extended reference at __add_inode_ref(), we ignore
it and proceed, returning success (0) if no other error happens after the
lookup. This is obviously wrong because in case an extended reference
exists and it encodes some name not in the log, we need to unlink it,
otherwise the filesystem state will not match the state it had after the
last fsync.
So just make __add_inode_ref() return an error it gets from the extended
reference lookup.
Fixes: f186373fef005c ("btrfs: extended inode refs")
CC: stable@vger.kernel.org # 4.9+
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/btrfs/tree-log.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1119,7 +1119,9 @@ again:
extref = btrfs_lookup_inode_extref(NULL, root, path, name, namelen,
inode_objectid, parent_objectid, 0,
0);
- if (!IS_ERR_OR_NULL(extref)) {
+ if (IS_ERR(extref)) {
+ return PTR_ERR(extref);
+ } else if (extref) {
u32 item_size;
u32 cur_offset = 0;
unsigned long base;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 017/244] cifs: Fix memory leak on the deferred close
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (15 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 016/244] btrfs: fix lost error handling when looking up extended ref on log replay Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 018/244] x86/kprobes: Fix JNG/JNLE emulation Greg Kroah-Hartman
` (228 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Shyam Prasad N, Zhang Xiaoxu, Steve French
From: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
commit ca08d0eac020d48a3141dbec0a3cf64fbdb17cde upstream.
xfstests on smb21 report kmemleak as below:
unreferenced object 0xffff8881767d6200 (size 64):
comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s)
hex dump (first 32 bytes):
80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c....
00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............
backtrace:
[<00000000ad04e6ea>] cifs_close+0x92/0x2c0
[<0000000028b93c82>] __fput+0xff/0x3f0
[<00000000d8116851>] task_work_run+0x85/0xc0
[<0000000027e14f9e>] do_exit+0x5e5/0x1240
[<00000000fb492b95>] do_group_exit+0x58/0xe0
[<00000000129a32d9>] __x64_sys_exit_group+0x28/0x30
[<00000000e3f7d8e9>] do_syscall_64+0x35/0x80
[<00000000102e8a0b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
When cancel the deferred close work, we should also cleanup the struct
cifs_deferred_close.
Fixes: 9e992755be8f2 ("cifs: Call close synchronously during unlink/rename/lease break.")
Fixes: e3fc065682ebb ("cifs: Deferred close performance improvements")
Cc: stable@vger.kernel.org
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/cifs/misc.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -736,6 +736,8 @@ cifs_close_deferred_file(struct cifsInod
list_for_each_entry(cfile, &cifs_inode->openFileList, flist) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
@@ -767,6 +769,8 @@ cifs_close_all_deferred_files(struct cif
cfile = list_entry(tmp, struct cifsFileInfo, tlist);
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
@@ -802,6 +806,8 @@ cifs_close_deferred_file_under_dentry(st
if (strstr(full_path, path)) {
if (delayed_work_pending(&cfile->deferred)) {
if (cancel_delayed_work(&cfile->deferred)) {
+ cifs_del_deferred_close(cfile);
+
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
break;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 018/244] x86/kprobes: Fix JNG/JNLE emulation
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (16 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 017/244] cifs: Fix memory leak on the deferred close Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 019/244] tracing/perf: Fix double put of trace event when init fails Greg Kroah-Hartman
` (227 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Nadav Amit, Ingo Molnar
From: Nadav Amit <namit@vmware.com>
commit 8924779df820c53875abaeb10c648e9cb75b46d4 upstream.
When kprobes emulates JNG/JNLE instructions on x86 it uses the wrong
condition. For JNG (opcode: 0F 8E), according to Intel SDM, the jump is
performed if (ZF == 1 or SF != OF). However the kernel emulation
currently uses 'and' instead of 'or'.
As a result, setting a kprobe on JNG/JNLE might cause the kernel to
behave incorrectly whenever the kprobe is hit.
Fix by changing the 'and' to 'or'.
Fixes: 6256e668b7af ("x86/kprobes: Use int3 instead of debug trap for single-step")
Signed-off-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220813225943.143767-1-namit@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/x86/kernel/kprobes/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -495,7 +495,7 @@ static void kprobe_emulate_jcc(struct kp
match = ((regs->flags & X86_EFLAGS_SF) >> X86_EFLAGS_SF_BIT) ^
((regs->flags & X86_EFLAGS_OF) >> X86_EFLAGS_OF_BIT);
if (p->ainsn.jcc.type >= 0xe)
- match = match && (regs->flags & X86_EFLAGS_ZF);
+ match = match || (regs->flags & X86_EFLAGS_ZF);
}
__kprobe_emulate_jmp(p, regs, (match && !invert) || (!match && invert));
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 019/244] tracing/perf: Fix double put of trace event when init fails
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (17 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 018/244] x86/kprobes: Fix JNG/JNLE emulation Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:22 ` [PATCH 5.15 020/244] tracing/eprobes: Do not allow eprobes to use $stack, or % for regs Greg Kroah-Hartman
` (226 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krister Johansen, Jiri Olsa,
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit 7249921d94ff64f67b733eca0b68853a62032b3d upstream.
If in perf_trace_event_init(), the perf_trace_event_open() fails, then it
will call perf_trace_event_unreg() which will not only unregister the perf
trace event, but will also call the put() function of the tp_event.
The problem here is that the trace_event_try_get_ref() is called by the
caller of perf_trace_event_init() and if perf_trace_event_init() returns a
failure, it will then call trace_event_put(). But since the
perf_trace_event_unreg() already called the trace_event_put() function, it
triggers a WARN_ON().
WARNING: CPU: 1 PID: 30309 at kernel/trace/trace_dynevent.c:46 trace_event_dyn_put_ref+0x15/0x20
If perf_trace_event_reg() does not call the trace_event_try_get_ref() then
the perf_trace_event_unreg() should not be calling trace_event_put(). This
breaks symmetry and causes bugs like these.
Pull out the trace_event_put() from perf_trace_event_unreg() and call it
in the locations that perf_trace_event_unreg() is called. This not only
fixes this bug, but also brings back the proper symmetry of the reg/unreg
vs get/put logic.
Link: https://lore.kernel.org/all/cover.1660347763.git.kjlx@templeofstupid.com/
Link: https://lkml.kernel.org/r/20220816192817.43d5e17f@gandalf.local.home
Cc: stable@vger.kernel.org
Fixes: 1d18538e6a092 ("tracing: Have dynamic events have a ref counter")
Reported-by: Krister Johansen <kjlx@templeofstupid.com>
Reviewed-by: Krister Johansen <kjlx@templeofstupid.com>
Tested-by: Krister Johansen <kjlx@templeofstupid.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_event_perf.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index a114549720d6..61e3a2620fa3 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -157,7 +157,7 @@ static void perf_trace_event_unreg(struct perf_event *p_event)
int i;
if (--tp_event->perf_refcount > 0)
- goto out;
+ return;
tp_event->class->reg(tp_event, TRACE_REG_PERF_UNREGISTER, NULL);
@@ -176,8 +176,6 @@ static void perf_trace_event_unreg(struct perf_event *p_event)
perf_trace_buf[i] = NULL;
}
}
-out:
- trace_event_put_ref(tp_event);
}
static int perf_trace_event_open(struct perf_event *p_event)
@@ -241,6 +239,7 @@ void perf_trace_destroy(struct perf_event *p_event)
mutex_lock(&event_mutex);
perf_trace_event_close(p_event);
perf_trace_event_unreg(p_event);
+ trace_event_put_ref(p_event->tp_event);
mutex_unlock(&event_mutex);
}
@@ -292,6 +291,7 @@ void perf_kprobe_destroy(struct perf_event *p_event)
mutex_lock(&event_mutex);
perf_trace_event_close(p_event);
perf_trace_event_unreg(p_event);
+ trace_event_put_ref(p_event->tp_event);
mutex_unlock(&event_mutex);
destroy_local_trace_kprobe(p_event->tp_event);
@@ -347,6 +347,7 @@ void perf_uprobe_destroy(struct perf_event *p_event)
mutex_lock(&event_mutex);
perf_trace_event_close(p_event);
perf_trace_event_unreg(p_event);
+ trace_event_put_ref(p_event->tp_event);
mutex_unlock(&event_mutex);
destroy_local_trace_uprobe(p_event->tp_event);
}
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 020/244] tracing/eprobes: Do not allow eprobes to use $stack, or % for regs
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (18 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 019/244] tracing/perf: Fix double put of trace event when init fails Greg Kroah-Hartman
@ 2022-08-23 8:22 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 021/244] tracing/eprobes: Do not hardcode $comm as a string Greg Kroah-Hartman
` (225 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:22 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Tzvetomir Stoyanov, Tom Zanussi, Masami Hiramatsu (Google),
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit 2673c60ee67e71f2ebe34386e62d348f71edee47 upstream.
While playing with event probes (eprobes), I tried to see what would
happen if I attempted to retrieve the instruction pointer (%rip) knowing
that event probes do not use pt_regs. The result was:
BUG: kernel NULL pointer dereference, address: 0000000000000024
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 1847 Comm: trace-cmd Not tainted 5.19.0-rc5-test+ #309
Hardware name: Hewlett-Packard HP Compaq Pro 6300 SFF/339A, BIOS K01
v03.03 07/14/2016
RIP: 0010:get_event_field.isra.0+0x0/0x50
Code: ff 48 c7 c7 c0 8f 74 a1 e8 3d 8b f5 ff e8 88 09 f6 ff 4c 89 e7 e8
50 6a 13 00 48 89 ef 5b 5d 41 5c 41 5d e9 42 6a 13 00 66 90 <48> 63 47 24
8b 57 2c 48 01 c6 8b 47 28 83 f8 02 74 0e 83 f8 04 74
RSP: 0018:ffff916c394bbaf0 EFLAGS: 00010086
RAX: ffff916c854041d8 RBX: ffff916c8d9fbf50 RCX: ffff916c255d2000
RDX: 0000000000000000 RSI: ffff916c255d2008 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff916c3a2a0c08 R09: ffff916c394bbda8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff916c854041d8
R13: ffff916c854041b0 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff916c9ea40000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000024 CR3: 000000011b60a002 CR4: 00000000001706e0
Call Trace:
<TASK>
get_eprobe_size+0xb4/0x640
? __mod_node_page_state+0x72/0xc0
__eprobe_trace_func+0x59/0x1a0
? __mod_lruvec_page_state+0xaa/0x1b0
? page_remove_file_rmap+0x14/0x230
? page_remove_rmap+0xda/0x170
event_triggers_call+0x52/0xe0
trace_event_buffer_commit+0x18f/0x240
trace_event_raw_event_sched_wakeup_template+0x7a/0xb0
try_to_wake_up+0x260/0x4c0
__wake_up_common+0x80/0x180
__wake_up_common_lock+0x7c/0xc0
do_notify_parent+0x1c9/0x2a0
exit_notify+0x1a9/0x220
do_exit+0x2ba/0x450
do_group_exit+0x2d/0x90
__x64_sys_exit_group+0x14/0x20
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Obviously this is not the desired result.
Move the testing for TPARG_FL_TPOINT which is only used for event probes
to the top of the "$" variable check, as all the other variables are not
used for event probes. Also add a check in the register parsing "%" to
fail if an event probe is used.
Link: https://lkml.kernel.org/r/20220820134400.564426983@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_probe.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -279,7 +279,14 @@ static int parse_probe_vars(char *arg, c
int ret = 0;
int len;
- if (strcmp(arg, "retval") == 0) {
+ if (flags & TPARG_FL_TPOINT) {
+ if (code->data)
+ return -EFAULT;
+ code->data = kstrdup(arg, GFP_KERNEL);
+ if (!code->data)
+ return -ENOMEM;
+ code->op = FETCH_OP_TP_ARG;
+ } else if (strcmp(arg, "retval") == 0) {
if (flags & TPARG_FL_RETURN) {
code->op = FETCH_OP_RETVAL;
} else {
@@ -319,13 +326,6 @@ static int parse_probe_vars(char *arg, c
code->op = FETCH_OP_ARG;
code->param = (unsigned int)param - 1;
#endif
- } else if (flags & TPARG_FL_TPOINT) {
- if (code->data)
- return -EFAULT;
- code->data = kstrdup(arg, GFP_KERNEL);
- if (!code->data)
- return -ENOMEM;
- code->op = FETCH_OP_TP_ARG;
} else
goto inval_var;
@@ -380,6 +380,11 @@ parse_probe_arg(char *arg, const struct
break;
case '%': /* named register */
+ if (flags & TPARG_FL_TPOINT) {
+ /* eprobes do not handle registers */
+ trace_probe_log_err(offs, BAD_VAR);
+ break;
+ }
ret = regs_query_register_offset(arg + 1);
if (ret >= 0) {
code->op = FETCH_OP_REG;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 021/244] tracing/eprobes: Do not hardcode $comm as a string
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (19 preceding siblings ...)
2022-08-23 8:22 ` [PATCH 5.15 020/244] tracing/eprobes: Do not allow eprobes to use $stack, or % for regs Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 022/244] tracing/eprobes: Have event probes be consistent with kprobes and uprobes Greg Kroah-Hartman
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245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Masami Hiramatsu, Tzvetomir Stoyanov, Tom Zanussi,
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit 02333de90e5945e2fe7fc75b15b4eb9aee187f0a upstream.
The variable $comm is hard coded as a string, which is true for both
kprobes and uprobes, but for event probes (eprobes) it is a field name. In
most cases the "comm" field would be a string, but there's no guarantee of
that fact.
Do not assume that comm is a string. Not to mention, it currently forces
comm fields to fault, as string processing for event probes is currently
broken.
Link: https://lkml.kernel.org/r/20220820134400.756152112@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_probe.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -618,9 +618,10 @@ static int traceprobe_parse_probe_arg_bo
/*
* Since $comm and immediate string can not be dereferenced,
- * we can find those by strcmp.
+ * we can find those by strcmp. But ignore for eprobes.
*/
- if (strcmp(arg, "$comm") == 0 || strncmp(arg, "\\\"", 2) == 0) {
+ if (!(flags & TPARG_FL_TPOINT) &&
+ (strcmp(arg, "$comm") == 0 || strncmp(arg, "\\\"", 2) == 0)) {
/* The type of $comm must be "string", and not an array. */
if (parg->count || (t && strcmp(t, "string")))
goto out;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 022/244] tracing/eprobes: Have event probes be consistent with kprobes and uprobes
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (20 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 021/244] tracing/eprobes: Do not hardcode $comm as a string Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 023/244] tracing/probes: Have kprobes and uprobes use $COMM too Greg Kroah-Hartman
` (223 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Masami Hiramatsu, Tzvetomir Stoyanov, Tom Zanussi,
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit 6a832ec3d680b3a4f4fad5752672827d71bae501 upstream.
Currently, if a symbol "@" is attempted to be used with an event probe
(eprobes), it will cause a NULL pointer dereference crash.
Both kprobes and uprobes can reference data other than the main registers.
Such as immediate address, symbols and the current task name. Have eprobes
do the same thing.
For "comm", if "comm" is used and the event being attached to does not
have the "comm" field, then make it the "$comm" that kprobes has. This is
consistent to the way histograms and filters work.
Link: https://lkml.kernel.org/r/20220820134401.136924220@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_eprobe.c | 70 ++++++++++++++++++++++++++++++++++++++++----
1 file changed, 64 insertions(+), 6 deletions(-)
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -226,6 +226,7 @@ static int trace_eprobe_tp_arg_update(st
struct probe_arg *parg = &ep->tp.args[i];
struct ftrace_event_field *field;
struct list_head *head;
+ int ret = -ENOENT;
head = trace_get_fields(ep->event);
list_for_each_entry(field, head, link) {
@@ -235,9 +236,20 @@ static int trace_eprobe_tp_arg_update(st
return 0;
}
}
+
+ /*
+ * Argument not found on event. But allow for comm and COMM
+ * to be used to get the current->comm.
+ */
+ if (strcmp(parg->code->data, "COMM") == 0 ||
+ strcmp(parg->code->data, "comm") == 0) {
+ parg->code->op = FETCH_OP_COMM;
+ ret = 0;
+ }
+
kfree(parg->code->data);
parg->code->data = NULL;
- return -ENOENT;
+ return ret;
}
static int eprobe_event_define_fields(struct trace_event_call *event_call)
@@ -339,16 +351,38 @@ static unsigned long get_event_field(str
static int get_eprobe_size(struct trace_probe *tp, void *rec)
{
+ struct fetch_insn *code;
struct probe_arg *arg;
int i, len, ret = 0;
for (i = 0; i < tp->nr_args; i++) {
arg = tp->args + i;
- if (unlikely(arg->dynamic)) {
+ if (arg->dynamic) {
unsigned long val;
- val = get_event_field(arg->code, rec);
- len = process_fetch_insn_bottom(arg->code + 1, val, NULL, NULL);
+ code = arg->code;
+ retry:
+ switch (code->op) {
+ case FETCH_OP_TP_ARG:
+ val = get_event_field(code, rec);
+ break;
+ case FETCH_OP_IMM:
+ val = code->immediate;
+ break;
+ case FETCH_OP_COMM:
+ val = (unsigned long)current->comm;
+ break;
+ case FETCH_OP_DATA:
+ val = (unsigned long)code->data;
+ break;
+ case FETCH_NOP_SYMBOL: /* Ignore a place holder */
+ code++;
+ goto retry;
+ default:
+ continue;
+ }
+ code++;
+ len = process_fetch_insn_bottom(code, val, NULL, NULL);
if (len > 0)
ret += len;
}
@@ -366,8 +400,28 @@ process_fetch_insn(struct fetch_insn *co
{
unsigned long val;
- val = get_event_field(code, rec);
- return process_fetch_insn_bottom(code + 1, val, dest, base);
+ retry:
+ switch (code->op) {
+ case FETCH_OP_TP_ARG:
+ val = get_event_field(code, rec);
+ break;
+ case FETCH_OP_IMM:
+ val = code->immediate;
+ break;
+ case FETCH_OP_COMM:
+ val = (unsigned long)current->comm;
+ break;
+ case FETCH_OP_DATA:
+ val = (unsigned long)code->data;
+ break;
+ case FETCH_NOP_SYMBOL: /* Ignore a place holder */
+ code++;
+ goto retry;
+ default:
+ return -EILSEQ;
+ }
+ code++;
+ return process_fetch_insn_bottom(code, val, dest, base);
}
NOKPROBE_SYMBOL(process_fetch_insn)
@@ -849,6 +903,10 @@ static int trace_eprobe_tp_update_arg(st
if (ep->tp.args[i].code->op == FETCH_OP_TP_ARG)
ret = trace_eprobe_tp_arg_update(ep, i);
+ /* Handle symbols "@" */
+ if (!ret)
+ ret = traceprobe_update_arg(&ep->tp.args[i]);
+
return ret;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 023/244] tracing/probes: Have kprobes and uprobes use $COMM too
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (21 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 022/244] tracing/eprobes: Have event probes be consistent with kprobes and uprobes Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 024/244] tracing: Have filter accept "common_cpu" to be consistent Greg Kroah-Hartman
` (222 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Tzvetomir Stoyanov, Tom Zanussi, Masami Hiramatsu (Google),
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit ab8384442ee512fc0fc72deeb036110843d0e7ff upstream.
Both $comm and $COMM can be used to get current->comm in eprobes and the
filtering and histogram logic. Make kprobes and uprobes consistent in this
regard and allow both $comm and $COMM as well. Currently kprobes and
uprobes only handle $comm, which is inconsistent with the other utilities,
and can be confusing to users.
Link: https://lkml.kernel.org/r/20220820134401.317014913@goodmis.org
Link: https://lore.kernel.org/all/20220820220442.776e1ddaf8836e82edb34d01@kernel.org/
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 533059281ee5 ("tracing: probeevent: Introduce new argument fetching code")
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_probe.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -310,7 +310,7 @@ static int parse_probe_vars(char *arg, c
}
} else
goto inval_var;
- } else if (strcmp(arg, "comm") == 0) {
+ } else if (strcmp(arg, "comm") == 0 || strcmp(arg, "COMM") == 0) {
code->op = FETCH_OP_COMM;
#ifdef CONFIG_HAVE_FUNCTION_ARG_ACCESS_API
} else if (((flags & TPARG_FL_MASK) ==
@@ -621,7 +621,8 @@ static int traceprobe_parse_probe_arg_bo
* we can find those by strcmp. But ignore for eprobes.
*/
if (!(flags & TPARG_FL_TPOINT) &&
- (strcmp(arg, "$comm") == 0 || strncmp(arg, "\\\"", 2) == 0)) {
+ (strcmp(arg, "$comm") == 0 || strcmp(arg, "$COMM") == 0 ||
+ strncmp(arg, "\\\"", 2) == 0)) {
/* The type of $comm must be "string", and not an array. */
if (parg->count || (t && strcmp(t, "string")))
goto out;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 024/244] tracing: Have filter accept "common_cpu" to be consistent
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (22 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 023/244] tracing/probes: Have kprobes and uprobes use $COMM too Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 025/244] ALSA: usb-audio: More comprehensive mixer map for ASUS ROG Zenith II Greg Kroah-Hartman
` (221 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Tzvetomir Stoyanov, Tom Zanussi, Masami Hiramatsu (Google),
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit b2380577d4fe1c0ef3fa50417f1e441c016e4cbe upstream.
Make filtering consistent with histograms. As "cpu" can be a field of an
event, allow for "common_cpu" to keep it from being confused with the
"cpu" field of the event.
Link: https://lkml.kernel.org/r/20220820134401.513062765@goodmis.org
Link: https://lore.kernel.org/all/20220820220920.e42fa32b70505b1904f0a0ad@kernel.org/
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 1e3bac71c5053 ("tracing/histogram: Rename "cpu" to "common_cpu"")
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_events.c | 1 +
1 file changed, 1 insertion(+)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -176,6 +176,7 @@ static int trace_define_generic_fields(v
__generic_field(int, CPU, FILTER_CPU);
__generic_field(int, cpu, FILTER_CPU);
+ __generic_field(int, common_cpu, FILTER_CPU);
__generic_field(char *, COMM, FILTER_COMM);
__generic_field(char *, comm, FILTER_COMM);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 025/244] ALSA: usb-audio: More comprehensive mixer map for ASUS ROG Zenith II
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (23 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 024/244] tracing: Have filter accept "common_cpu" to be consistent Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 026/244] dt-bindings: usb: mtk-xhci: Allow wakeup interrupt-names to be optional Greg Kroah-Hartman
` (220 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Takashi Iwai
From: Takashi Iwai <tiwai@suse.de>
commit 6bc2906253e723d1ab1acc652b55b83e286bfec2 upstream.
ASUS ROG Zenith II has two USB interfaces, one for the front headphone
and another for the rest I/O. Currently we provided the mixer mapping
for the latter but with an incomplete form.
This patch corrects and provides more comprehensive mixer mapping, as
well as providing the proper device names for both the front headphone
and main audio.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211005
Fixes: 2a48218f8e23 ("ALSA: usb-audio: Add mixer workaround for TRX40 and co")
Link: https://lore.kernel.org/r/20220809073259.18849-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/usb/card.c | 8 ++++++++
sound/usb/mixer_maps.c | 34 +++++++++++++++++++++++++---------
2 files changed, 33 insertions(+), 9 deletions(-)
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -387,6 +387,14 @@ static const struct usb_audio_device_nam
DEVICE_NAME(0x05e1, 0x0408, "Syntek", "STK1160"),
DEVICE_NAME(0x05e1, 0x0480, "Hauppauge", "Woodbury"),
+ /* ASUS ROG Zenith II: this machine has also two devices, one for
+ * the front headphone and another for the rest
+ */
+ PROFILE_NAME(0x0b05, 0x1915, "ASUS", "Zenith II Front Headphone",
+ "Zenith-II-Front-Headphone"),
+ PROFILE_NAME(0x0b05, 0x1916, "ASUS", "Zenith II Main Audio",
+ "Zenith-II-Main-Audio"),
+
/* ASUS ROG Strix */
PROFILE_NAME(0x0b05, 0x1917,
"Realtek", "ALC1220-VB-DT", "Realtek-ALC1220-VB-Desktop"),
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -366,13 +366,28 @@ static const struct usbmix_name_map cors
{ 0 }
};
-/* Some mobos shipped with a dummy HD-audio show the invalid GET_MIN/GET_MAX
- * response for Input Gain Pad (id=19, control=12) and the connector status
- * for SPDIF terminal (id=18). Skip them.
- */
-static const struct usbmix_name_map asus_rog_map[] = {
- { 18, NULL }, /* OT, connector control */
- { 19, NULL, 12 }, /* FU, Input Gain Pad */
+/* ASUS ROG Zenith II with Realtek ALC1220-VB */
+static const struct usbmix_name_map asus_zenith_ii_map[] = {
+ { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */
+ { 16, "Speaker" }, /* OT */
+ { 22, "Speaker Playback" }, /* FU */
+ { 7, "Line" }, /* IT */
+ { 19, "Line Capture" }, /* FU */
+ { 8, "Mic" }, /* IT */
+ { 20, "Mic Capture" }, /* FU */
+ { 9, "Front Mic" }, /* IT */
+ { 21, "Front Mic Capture" }, /* FU */
+ { 17, "IEC958" }, /* OT */
+ { 23, "IEC958 Playback" }, /* FU */
+ {}
+};
+
+static const struct usbmix_connector_map asus_zenith_ii_connector_map[] = {
+ { 10, 16 }, /* (Back) Speaker */
+ { 11, 17 }, /* SPDIF */
+ { 13, 7 }, /* Line */
+ { 14, 8 }, /* Mic */
+ { 15, 9 }, /* Front Mic */
{}
};
@@ -568,9 +583,10 @@ static const struct usbmix_ctl_map usbmi
.map = trx40_mobo_map,
.connector_map = trx40_mobo_connector_map,
},
- { /* ASUS ROG Zenith II */
+ { /* ASUS ROG Zenith II (main audio) */
.id = USB_ID(0x0b05, 0x1916),
- .map = asus_rog_map,
+ .map = asus_zenith_ii_map,
+ .connector_map = asus_zenith_ii_connector_map,
},
{ /* ASUS ROG Strix */
.id = USB_ID(0x0b05, 0x1917),
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 026/244] dt-bindings: usb: mtk-xhci: Allow wakeup interrupt-names to be optional
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (24 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 025/244] ALSA: usb-audio: More comprehensive mixer map for ASUS ROG Zenith II Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 027/244] can: ems_usb: fix clangs -Wunaligned-access warning Greg Kroah-Hartman
` (219 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Nícolas F . R . A . Prado,
Krzysztof Kozlowski, Chunfeng Yun
From: Nícolas F. R. A. Prado <nfraprado@collabora.com>
commit b2c510ffe29f20a5f6ff31ae28d32ffa494b8cfb upstream.
Add missing "minItems: 1" to the interrupt-names property to allow the
second interrupt-names, "wakeup", to be optional.
Fixes: fe8e488058c4 ("dt-bindings: usb: mtk-xhci: add wakeup interrupt")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20220623193702.817996-2-nfraprado@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 1 +
1 file changed, 1 insertion(+)
--- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
@@ -56,6 +56,7 @@ properties:
- description: optional, wakeup interrupt used to support runtime PM
interrupt-names:
+ minItems: 1
items:
- const: host
- const: wakeup
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 027/244] can: ems_usb: fix clangs -Wunaligned-access warning
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (25 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 026/244] dt-bindings: usb: mtk-xhci: Allow wakeup interrupt-names to be optional Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 028/244] apparmor: fix quiet_denied for file rules Greg Kroah-Hartman
` (218 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Gerhard Uttenthaler, Sebastian Haas,
Marc Kleine-Budde
From: Marc Kleine-Budde <mkl@pengutronix.de>
commit a4cb6e62ea4d36e53fb3c0f18ea4503d7b76674f upstream.
clang emits a -Wunaligned-access warning on struct __packed
ems_cpc_msg.
The reason is that the anonymous union msg (not declared as packed) is
being packed right after some non naturally aligned variables (3*8
bits + 2*32) inside a packed struct:
| struct __packed ems_cpc_msg {
| u8 type; /* type of message */
| u8 length; /* length of data within union 'msg' */
| u8 msgid; /* confirmation handle */
| __le32 ts_sec; /* timestamp in seconds */
| __le32 ts_nsec; /* timestamp in nano seconds */
| /* ^ not naturally aligned */
|
| union {
| /* ^ not declared as packed */
| u8 generic[64];
| struct cpc_can_msg can_msg;
| struct cpc_can_params can_params;
| struct cpc_confirm confirmation;
| struct cpc_overrun overrun;
| struct cpc_can_error error;
| struct cpc_can_err_counter err_counter;
| u8 can_state;
| } msg;
| };
Starting from LLVM 14, having an unpacked struct nested in a packed
struct triggers a warning. c.f. [1].
Fix the warning by marking the anonymous union as packed.
[1] https://github.com/llvm/llvm-project/issues/55520
Fixes: 702171adeed3 ("ems_usb: Added support for EMS CPC-USB/ARM7 CAN/USB interface")
Link: https://lore.kernel.org/all/20220802094021.959858-1-mkl@pengutronix.de
Cc: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Cc: Sebastian Haas <haas@ems-wuensche.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/can/usb/ems_usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -194,7 +194,7 @@ struct __packed ems_cpc_msg {
__le32 ts_sec; /* timestamp in seconds */
__le32 ts_nsec; /* timestamp in nano seconds */
- union {
+ union __packed {
u8 generic[64];
struct cpc_can_msg can_msg;
struct cpc_can_params can_params;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 028/244] apparmor: fix quiet_denied for file rules
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (26 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 027/244] can: ems_usb: fix clangs -Wunaligned-access warning Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 029/244] apparmor: fix absroot causing audited secids to begin with = Greg Kroah-Hartman
` (217 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, John Johansen
From: John Johansen <john.johansen@canonical.com>
commit 68ff8540cc9e4ab557065b3f635c1ff4c96e1f1c upstream.
Global quieting of denied AppArmor generated file events is not
handled correctly. Unfortunately the is checking if quieting of all
audit events is set instead of just denied events.
Fixes: 67012e8209df ("AppArmor: basic auditing infrastructure.")
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/audit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/security/apparmor/audit.c
+++ b/security/apparmor/audit.c
@@ -137,7 +137,7 @@ int aa_audit(int type, struct aa_profile
}
if (AUDIT_MODE(profile) == AUDIT_QUIET ||
(type == AUDIT_APPARMOR_DENIED &&
- AUDIT_MODE(profile) == AUDIT_QUIET))
+ AUDIT_MODE(profile) == AUDIT_QUIET_DENIED))
return aad(sa)->error;
if (KILL_MODE(profile) && type == AUDIT_APPARMOR_DENIED)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 029/244] apparmor: fix absroot causing audited secids to begin with =
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (27 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 028/244] apparmor: fix quiet_denied for file rules Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 030/244] apparmor: Fix failed mount permission check error message Greg Kroah-Hartman
` (216 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Casey Schaufler, John Johansen
From: John Johansen <john.johansen@canonical.com>
commit 511f7b5b835726e844a5fc7444c18e4b8672edfd upstream.
AppArmor is prefixing secids that are converted to secctx with the =
to indicate the secctx should only be parsed from an absolute root
POV. This allows catching errors where secctx are reparsed back into
internal labels.
Unfortunately because audit is using secid to secctx conversion this
means that subject and object labels can result in a very unfortunate
== that can break audit parsing.
eg. the subj==unconfined term in the below audit message
type=USER_LOGIN msg=audit(1639443365.233:160): pid=1633 uid=0 auid=1000
ses=3 subj==unconfined msg='op=login id=1000 exe="/usr/sbin/sshd"
hostname=192.168.122.1 addr=192.168.122.1 terminal=/dev/pts/1 res=success'
Fix this by switch the prepending of = to a _. This still works as a
special character to flag this case without breaking audit. Also move
this check behind debug as it should not be needed during normal
operqation.
Fixes: 26b7899510ae ("apparmor: add support for absolute root view based labels")
Reported-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/include/lib.h | 5 +++++
security/apparmor/label.c | 7 ++++---
2 files changed, 9 insertions(+), 3 deletions(-)
--- a/security/apparmor/include/lib.h
+++ b/security/apparmor/include/lib.h
@@ -22,6 +22,11 @@
*/
#define DEBUG_ON (aa_g_debug)
+/*
+ * split individual debug cases out in preparation for finer grained
+ * debug controls in the future.
+ */
+#define AA_DEBUG_LABEL DEBUG_ON
#define dbg_printk(__fmt, __args...) pr_debug(__fmt, ##__args)
#define AA_DEBUG(fmt, args...) \
do { \
--- a/security/apparmor/label.c
+++ b/security/apparmor/label.c
@@ -1632,9 +1632,9 @@ int aa_label_snxprint(char *str, size_t
AA_BUG(!str && size != 0);
AA_BUG(!label);
- if (flags & FLAG_ABS_ROOT) {
+ if (AA_DEBUG_LABEL && (flags & FLAG_ABS_ROOT)) {
ns = root_ns;
- len = snprintf(str, size, "=");
+ len = snprintf(str, size, "_");
update_for_len(total, len, size, str);
} else if (!ns) {
ns = labels_ns(label);
@@ -1896,7 +1896,8 @@ struct aa_label *aa_label_strn_parse(str
AA_BUG(!str);
str = skipn_spaces(str, n);
- if (str == NULL || (*str == '=' && base != &root_ns->unconfined->label))
+ if (str == NULL || (AA_DEBUG_LABEL && *str == '_' &&
+ base != &root_ns->unconfined->label))
return ERR_PTR(-EINVAL);
len = label_count_strn_entries(str, end - str);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 030/244] apparmor: Fix failed mount permission check error message
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (28 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 029/244] apparmor: fix absroot causing audited secids to begin with = Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 031/244] apparmor: fix aa_label_asxprint return check Greg Kroah-Hartman
` (215 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, John Johansen
From: John Johansen <john.johansen@canonical.com>
commit ec240b5905bbb09a03dccffee03062cf39e38dc2 upstream.
When the mount check fails due to a permission check failure instead
of explicitly at one of the subcomponent checks, AppArmor is reporting
a failure in the flags match. However this is not true and AppArmor
can not attribute the error at this point to any particular component,
and should only indicate the mount failed due to missing permissions.
Fixes: 2ea3ffb7782a ("apparmor: add mount mediation")
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/mount.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/security/apparmor/mount.c
+++ b/security/apparmor/mount.c
@@ -229,7 +229,8 @@ static const char * const mnt_info_table
"failed srcname match",
"failed type match",
"failed flags match",
- "failed data match"
+ "failed data match",
+ "failed perms check"
};
/*
@@ -284,8 +285,8 @@ static int do_match_mnt(struct aa_dfa *d
return 0;
}
- /* failed at end of flags match */
- return 4;
+ /* failed at perms check, don't confuse with flags match */
+ return 6;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 031/244] apparmor: fix aa_label_asxprint return check
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (29 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 030/244] apparmor: Fix failed mount permission check error message Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 032/244] apparmor: fix setting unconfined mode on a loaded profile Greg Kroah-Hartman
` (214 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Tom Rix, John Johansen
From: Tom Rix <trix@redhat.com>
commit 3e2a3a0830a2090e766d0d887d52c67de2a6f323 upstream.
Clang static analysis reports this issue
label.c:1802:3: warning: 2nd function call argument
is an uninitialized value
pr_info("%s", str);
^~~~~~~~~~~~~~~~~~
str is set from a successful call to aa_label_asxprint(&str, ...)
On failure a negative value is returned, not a -1. So change
the check.
Fixes: f1bd904175e8 ("apparmor: add the base fns() for domain labels")
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/label.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/security/apparmor/label.c
+++ b/security/apparmor/label.c
@@ -1745,7 +1745,7 @@ void aa_label_xaudit(struct audit_buffer
if (!use_label_hname(ns, label, flags) ||
display_mode(ns, label, flags)) {
len = aa_label_asxprint(&name, ns, label, flags, gfp);
- if (len == -1) {
+ if (len < 0) {
AA_DEBUG("label print error");
return;
}
@@ -1773,7 +1773,7 @@ void aa_label_seq_xprint(struct seq_file
int len;
len = aa_label_asxprint(&str, ns, label, flags, gfp);
- if (len == -1) {
+ if (len < 0) {
AA_DEBUG("label print error");
return;
}
@@ -1796,7 +1796,7 @@ void aa_label_xprintk(struct aa_ns *ns,
int len;
len = aa_label_asxprint(&str, ns, label, flags, gfp);
- if (len == -1) {
+ if (len < 0) {
AA_DEBUG("label print error");
return;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 032/244] apparmor: fix setting unconfined mode on a loaded profile
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (30 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 031/244] apparmor: fix aa_label_asxprint return check Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 033/244] apparmor: fix overlapping attachment computation Greg Kroah-Hartman
` (213 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, John Johansen
From: John Johansen <john.johansen@canonical.com>
commit 3bbb7b2e9bbcd22e539e23034da753898fe3b4dc upstream.
When loading a profile that is set to unconfined mode, that label
flag is not set when it should be. Ensure it is set so that when
used in a label the unconfined check will be applied correctly.
Fixes: 038165070aa5 ("apparmor: allow setting any profile into the unconfined state")
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/policy_unpack.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--- a/security/apparmor/policy_unpack.c
+++ b/security/apparmor/policy_unpack.c
@@ -746,16 +746,18 @@ static struct aa_profile *unpack_profile
profile->label.flags |= FLAG_HAT;
if (!unpack_u32(e, &tmp, NULL))
goto fail;
- if (tmp == PACKED_MODE_COMPLAIN || (e->version & FORCE_COMPLAIN_FLAG))
+ if (tmp == PACKED_MODE_COMPLAIN || (e->version & FORCE_COMPLAIN_FLAG)) {
profile->mode = APPARMOR_COMPLAIN;
- else if (tmp == PACKED_MODE_ENFORCE)
+ } else if (tmp == PACKED_MODE_ENFORCE) {
profile->mode = APPARMOR_ENFORCE;
- else if (tmp == PACKED_MODE_KILL)
+ } else if (tmp == PACKED_MODE_KILL) {
profile->mode = APPARMOR_KILL;
- else if (tmp == PACKED_MODE_UNCONFINED)
+ } else if (tmp == PACKED_MODE_UNCONFINED) {
profile->mode = APPARMOR_UNCONFINED;
- else
+ profile->label.flags |= FLAG_UNCONFINED;
+ } else {
goto fail;
+ }
if (!unpack_u32(e, &tmp, NULL))
goto fail;
if (tmp)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 033/244] apparmor: fix overlapping attachment computation
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (31 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 032/244] apparmor: fix setting unconfined mode on a loaded profile Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 034/244] apparmor: fix reference count leak in aa_pivotroot() Greg Kroah-Hartman
` (212 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, John Johansen
From: John Johansen <john.johansen@canonical.com>
commit 2504db207146543736e877241f3b3de005cbe056 upstream.
When finding the profile via patterned attachments, the longest left
match is being set to the static compile time value and not using the
runtime computed value.
Fix this by setting the candidate value to the greater of the
precomputed value or runtime computed value.
Fixes: 21f606610502 ("apparmor: improve overlapping domain attachment resolution")
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/domain.c | 2 +-
security/apparmor/include/policy.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -467,7 +467,7 @@ restart:
* xattrs, or a longer match
*/
candidate = profile;
- candidate_len = profile->xmatch_len;
+ candidate_len = max(count, profile->xmatch_len);
candidate_xattrs = ret;
conflict = false;
}
--- a/security/apparmor/include/policy.h
+++ b/security/apparmor/include/policy.h
@@ -135,7 +135,7 @@ struct aa_profile {
const char *attach;
struct aa_dfa *xmatch;
- int xmatch_len;
+ unsigned int xmatch_len;
enum audit_mode audit;
long mode;
u32 path_flags;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 034/244] apparmor: fix reference count leak in aa_pivotroot()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (32 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 033/244] apparmor: fix overlapping attachment computation Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 035/244] apparmor: Fix memleak in aa_simple_write_to_buffer() Greg Kroah-Hartman
` (211 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Xiyu Yang, Xin Tan, Xin Xiong, John Johansen
From: Xin Xiong <xiongx18@fudan.edu.cn>
commit 11c3627ec6b56c1525013f336f41b79a983b4d46 upstream.
The aa_pivotroot() function has a reference counting bug in a specific
path. When aa_replace_current_label() returns on success, the function
forgets to decrement the reference count of “target”, which is
increased earlier by build_pivotroot(), causing a reference leak.
Fix it by decreasing the refcount of “target” in that path.
Fixes: 2ea3ffb7782a ("apparmor: add mount mediation")
Co-developed-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Co-developed-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/mount.c | 1 +
1 file changed, 1 insertion(+)
--- a/security/apparmor/mount.c
+++ b/security/apparmor/mount.c
@@ -719,6 +719,7 @@ int aa_pivotroot(struct aa_label *label,
aa_put_label(target);
goto out;
}
+ aa_put_label(target);
} else
/* already audited error */
error = PTR_ERR(target);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 035/244] apparmor: Fix memleak in aa_simple_write_to_buffer()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (33 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 034/244] apparmor: fix reference count leak in aa_pivotroot() Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 036/244] Documentation: ACPI: EINJ: Fix obsolete example Greg Kroah-Hartman
` (210 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Xiu Jianfeng, John Johansen
From: Xiu Jianfeng <xiujianfeng@huawei.com>
commit 417ea9fe972d2654a268ad66e89c8fcae67017c3 upstream.
When copy_from_user failed, the memory is freed by kvfree. however the
management struct and data blob are allocated independently, so only
kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to
fix this issue.
Fixes: a6a52579e52b5 ("apparmor: split load data into management struct and data blob")
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
security/apparmor/apparmorfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -401,7 +401,7 @@ static struct aa_loaddata *aa_simple_wri
data->size = copy_size;
if (copy_from_user(data->data, userbuf, copy_size)) {
- kvfree(data);
+ aa_put_loaddata(data);
return ERR_PTR(-EFAULT);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 036/244] Documentation: ACPI: EINJ: Fix obsolete example
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (34 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 035/244] apparmor: Fix memleak in aa_simple_write_to_buffer() Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 037/244] NFSv4.1: Dont decrease the value of seq_nr_highest_sent Greg Kroah-Hartman
` (209 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Qifu Zhang, Tony Luck, Rafael J. Wysocki
From: Qifu Zhang <zhangqifu@bytedance.com>
commit 9066e151c37950af92c3be6a7270daa8e8063db9 upstream.
Since commit 488dac0c9237 ("libfs: fix error cast of negative value in
simple_attr_write()"), the EINJ debugfs interface no longer accepts
negative values as input. Attempt to do so will result in EINVAL.
Fixes: 488dac0c9237 ("libfs: fix error cast of negative value in simple_attr_write()")
Signed-off-by: Qifu Zhang <zhangqifu@bytedance.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/firmware-guide/acpi/apei/einj.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/firmware-guide/acpi/apei/einj.rst
+++ b/Documentation/firmware-guide/acpi/apei/einj.rst
@@ -168,7 +168,7 @@ An error injection example::
0x00000008 Memory Correctable
0x00000010 Memory Uncorrectable non-fatal
# echo 0x12345000 > param1 # Set memory address for injection
- # echo $((-1 << 12)) > param2 # Mask 0xfffffffffffff000 - anywhere in this page
+ # echo 0xfffffffffffff000 > param2 # Mask - anywhere in this page
# echo 0x8 > error_type # Choose correctable memory error
# echo 1 > error_inject # Inject now
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 037/244] NFSv4.1: Dont decrease the value of seq_nr_highest_sent
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (35 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 036/244] Documentation: ACPI: EINJ: Fix obsolete example Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 038/244] NFSv4.1: Handle NFS4ERR_DELAY replies to OP_SEQUENCE correctly Greg Kroah-Hartman
` (208 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Trond Myklebust
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit f07a5d2427fc113dc50c5c818eba8929bc27b8ca upstream.
When we're trying to figure out what the server may or may not have seen
in terms of request numbers, do not assume that requests with a larger
number were missed, just because we saw a reply to a request with a
smaller number.
Fixes: 3453d5708b33 ("NFSv4.1: Avoid false retries when RPC calls are interrupted")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4proc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -787,10 +787,9 @@ static void nfs4_slot_sequence_record_se
if ((s32)(seqnr - slot->seq_nr_highest_sent) > 0)
slot->seq_nr_highest_sent = seqnr;
}
-static void nfs4_slot_sequence_acked(struct nfs4_slot *slot,
- u32 seqnr)
+static void nfs4_slot_sequence_acked(struct nfs4_slot *slot, u32 seqnr)
{
- slot->seq_nr_highest_sent = seqnr;
+ nfs4_slot_sequence_record_sent(slot, seqnr);
slot->seq_nr_last_acked = seqnr;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 038/244] NFSv4.1: Handle NFS4ERR_DELAY replies to OP_SEQUENCE correctly
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (36 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 037/244] NFSv4.1: Dont decrease the value of seq_nr_highest_sent Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 039/244] NFSv4: Fix races in the legacy idmapper upcall Greg Kroah-Hartman
` (207 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Trond Myklebust
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit 7ccafd4b2b9f34e6d8185f796f151c47424e273e upstream.
Don't assume that the NFS4ERR_DELAY means that the server is processing
this slot id.
Fixes: 3453d5708b33 ("NFSv4.1: Avoid false retries when RPC calls are interrupted")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4proc.c | 1 -
1 file changed, 1 deletion(-)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -856,7 +856,6 @@ static int nfs41_sequence_process(struct
__func__,
slot->slot_nr,
slot->seq_nr);
- nfs4_slot_sequence_acked(slot, slot->seq_nr);
goto out_retry;
case -NFS4ERR_RETRY_UNCACHED_REP:
case -NFS4ERR_SEQ_FALSE_RETRY:
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 039/244] NFSv4: Fix races in the legacy idmapper upcall
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (37 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 038/244] NFSv4.1: Handle NFS4ERR_DELAY replies to OP_SEQUENCE correctly Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 040/244] NFSv4.1: RECLAIM_COMPLETE must handle EACCES Greg Kroah-Hartman
` (206 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Trond Myklebust
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit 51fd2eb52c0ca8275a906eed81878ef50ae94eb0 upstream.
nfs_idmap_instantiate() will cause the process that is waiting in
request_key_with_auxdata() to wake up and exit. If there is a second
process waiting for the idmap->idmap_mutex, then it may wake up and
start a new call to request_key_with_auxdata(). If the call to
idmap_pipe_downcall() from the first process has not yet finished
calling nfs_idmap_complete_pipe_upcall_locked(), then we may end up
triggering the WARN_ON_ONCE() in nfs_idmap_prepare_pipe_upcall().
The fix is to ensure that we clear idmap->idmap_upcall_data before
calling nfs_idmap_instantiate().
Fixes: e9ab41b620e4 ("NFSv4: Clean up the legacy idmapper upcall")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4idmap.c | 46 ++++++++++++++++++++++++----------------------
1 file changed, 24 insertions(+), 22 deletions(-)
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -561,22 +561,20 @@ nfs_idmap_prepare_pipe_upcall(struct idm
return true;
}
-static void
-nfs_idmap_complete_pipe_upcall_locked(struct idmap *idmap, int ret)
+static void nfs_idmap_complete_pipe_upcall(struct idmap_legacy_upcalldata *data,
+ int ret)
{
- struct key *authkey = idmap->idmap_upcall_data->authkey;
-
- kfree(idmap->idmap_upcall_data);
- idmap->idmap_upcall_data = NULL;
- complete_request_key(authkey, ret);
- key_put(authkey);
+ complete_request_key(data->authkey, ret);
+ key_put(data->authkey);
+ kfree(data);
}
-static void
-nfs_idmap_abort_pipe_upcall(struct idmap *idmap, int ret)
+static void nfs_idmap_abort_pipe_upcall(struct idmap *idmap,
+ struct idmap_legacy_upcalldata *data,
+ int ret)
{
- if (idmap->idmap_upcall_data != NULL)
- nfs_idmap_complete_pipe_upcall_locked(idmap, ret);
+ if (cmpxchg(&idmap->idmap_upcall_data, data, NULL) == data)
+ nfs_idmap_complete_pipe_upcall(data, ret);
}
static int nfs_idmap_legacy_upcall(struct key *authkey, void *aux)
@@ -613,7 +611,7 @@ static int nfs_idmap_legacy_upcall(struc
ret = rpc_queue_upcall(idmap->idmap_pipe, msg);
if (ret < 0)
- nfs_idmap_abort_pipe_upcall(idmap, ret);
+ nfs_idmap_abort_pipe_upcall(idmap, data, ret);
return ret;
out2:
@@ -669,6 +667,7 @@ idmap_pipe_downcall(struct file *filp, c
struct request_key_auth *rka;
struct rpc_inode *rpci = RPC_I(file_inode(filp));
struct idmap *idmap = (struct idmap *)rpci->private;
+ struct idmap_legacy_upcalldata *data;
struct key *authkey;
struct idmap_msg im;
size_t namelen_in;
@@ -678,10 +677,11 @@ idmap_pipe_downcall(struct file *filp, c
* will have been woken up and someone else may now have used
* idmap_key_cons - so after this point we may no longer touch it.
*/
- if (idmap->idmap_upcall_data == NULL)
+ data = xchg(&idmap->idmap_upcall_data, NULL);
+ if (data == NULL)
goto out_noupcall;
- authkey = idmap->idmap_upcall_data->authkey;
+ authkey = data->authkey;
rka = get_request_key_auth(authkey);
if (mlen != sizeof(im)) {
@@ -703,18 +703,17 @@ idmap_pipe_downcall(struct file *filp, c
if (namelen_in == 0 || namelen_in == IDMAP_NAMESZ) {
ret = -EINVAL;
goto out;
-}
+ }
- ret = nfs_idmap_read_and_verify_message(&im,
- &idmap->idmap_upcall_data->idmap_msg,
- rka->target_key, authkey);
+ ret = nfs_idmap_read_and_verify_message(&im, &data->idmap_msg,
+ rka->target_key, authkey);
if (ret >= 0) {
key_set_timeout(rka->target_key, nfs_idmap_cache_timeout);
ret = mlen;
}
out:
- nfs_idmap_complete_pipe_upcall_locked(idmap, ret);
+ nfs_idmap_complete_pipe_upcall(data, ret);
out_noupcall:
return ret;
}
@@ -728,7 +727,7 @@ idmap_pipe_destroy_msg(struct rpc_pipe_m
struct idmap *idmap = data->idmap;
if (msg->errno)
- nfs_idmap_abort_pipe_upcall(idmap, msg->errno);
+ nfs_idmap_abort_pipe_upcall(idmap, data, msg->errno);
}
static void
@@ -736,8 +735,11 @@ idmap_release_pipe(struct inode *inode)
{
struct rpc_inode *rpci = RPC_I(inode);
struct idmap *idmap = (struct idmap *)rpci->private;
+ struct idmap_legacy_upcalldata *data;
- nfs_idmap_abort_pipe_upcall(idmap, -EPIPE);
+ data = xchg(&idmap->idmap_upcall_data, NULL);
+ if (data)
+ nfs_idmap_complete_pipe_upcall(data, -EPIPE);
}
int nfs_map_name_to_uid(const struct nfs_server *server, const char *name, size_t namelen, kuid_t *uid)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 040/244] NFSv4.1: RECLAIM_COMPLETE must handle EACCES
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (38 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 039/244] NFSv4: Fix races in the legacy idmapper upcall Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 041/244] NFSv4/pnfs: Fix a use-after-free bug in open Greg Kroah-Hartman
` (205 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Zhang Xianwei, Yi Wang, Trond Myklebust
From: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
commit e35a5e782f67ed76a65ad0f23a484444a95f000f upstream.
A client should be able to handle getting an EACCES error while doing
a mount operation to reclaim state due to NFS4CLNT_RECLAIM_REBOOT
being set. If the server returns RPC_AUTH_BADCRED because authentication
failed when we execute "exportfs -au", then RECLAIM_COMPLETE will go a
wrong way. After mount succeeds, all OPEN call will fail due to an
NFS4ERR_GRACE error being returned. This patch is to fix it by resending
a RPC request.
Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Fixes: aa5190d0ed7d ("NFSv4: Kill nfs4_async_handle_error() abuses by NFSv4.1")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4proc.c | 3 +++
1 file changed, 3 insertions(+)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -9408,6 +9408,9 @@ static int nfs41_reclaim_complete_handle
rpc_delay(task, NFS4_POLL_RETRY_MAX);
fallthrough;
case -NFS4ERR_RETRY_UNCACHED_REP:
+ case -EACCES:
+ dprintk("%s: failed to reclaim complete error %d for server %s, retrying\n",
+ __func__, task->tk_status, clp->cl_hostname);
return -EAGAIN;
case -NFS4ERR_BADSESSION:
case -NFS4ERR_DEADSESSION:
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 041/244] NFSv4/pnfs: Fix a use-after-free bug in open
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (39 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 040/244] NFSv4.1: RECLAIM_COMPLETE must handle EACCES Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 042/244] BPF: Fix potential bad pointer dereference in bpf_sys_bpf() Greg Kroah-Hartman
` (204 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Trond Myklebust
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit 2135e5d56278ffdb1c2e6d325dc6b87f669b9dac upstream.
If someone cancels the open RPC call, then we must not try to free
either the open slot or the layoutget operation arguments, since they
are likely still in use by the hung RPC call.
Fixes: 6949493884fe ("NFSv4: Don't hold the layoutget locks across multiple RPC calls")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/nfs4proc.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3106,12 +3106,13 @@ static int _nfs4_open_and_get_state(stru
}
out:
- if (opendata->lgp) {
- nfs4_lgopen_release(opendata->lgp);
- opendata->lgp = NULL;
- }
- if (!opendata->cancelled)
+ if (!opendata->cancelled) {
+ if (opendata->lgp) {
+ nfs4_lgopen_release(opendata->lgp);
+ opendata->lgp = NULL;
+ }
nfs4_sequence_free_slot(&opendata->o_res.seq_res);
+ }
return ret;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 042/244] BPF: Fix potential bad pointer dereference in bpf_sys_bpf()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (40 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 041/244] NFSv4/pnfs: Fix a use-after-free bug in open Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 043/244] bpf: Dont reinit map value in prealloc_lru_pop Greg Kroah-Hartman
` (203 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Jinghao Jia, Yonghong Song,
Alexei Starovoitov
From: Jinghao Jia <jinghao@linux.ibm.com>
commit e2dcac2f58f5a95ab092d1da237ffdc0da1832cf upstream.
The bpf_sys_bpf() helper function allows an eBPF program to load another
eBPF program from within the kernel. In this case the argument union
bpf_attr pointer (as well as the insns and license pointers inside) is a
kernel address instead of a userspace address (which is the case of a
usual bpf() syscall). To make the memory copying process in the syscall
work in both cases, bpfptr_t was introduced to wrap around the pointer
and distinguish its origin. Specifically, when copying memory contents
from a bpfptr_t, a copy_from_user() is performed in case of a userspace
address and a memcpy() is performed for a kernel address.
This can lead to problems because the in-kernel pointer is never checked
for validity. The problem happens when an eBPF syscall program tries to
call bpf_sys_bpf() to load a program but provides a bad insns pointer --
say 0xdeadbeef -- in the bpf_attr union. The helper calls __sys_bpf()
which would then call bpf_prog_load() to load the program.
bpf_prog_load() is responsible for copying the eBPF instructions to the
newly allocated memory for the program; it creates a kernel bpfptr_t for
insns and invokes copy_from_bpfptr(). Internally, all bpfptr_t
operations are backed by the corresponding sockptr_t operations, which
performs direct memcpy() on kernel pointers for copy_from/strncpy_from
operations. Therefore, the code is always happy to dereference the bad
pointer to trigger a un-handle-able page fault and in turn an oops.
However, this is not supposed to happen because at that point the eBPF
program is already verified and should not cause a memory error.
Sample KASAN trace:
[ 25.685056][ T228] ==================================================================
[ 25.685680][ T228] BUG: KASAN: user-memory-access in copy_from_bpfptr+0x21/0x30
[ 25.686210][ T228] Read of size 80 at addr 00000000deadbeef by task poc/228
[ 25.686732][ T228]
[ 25.686893][ T228] CPU: 3 PID: 228 Comm: poc Not tainted 5.19.0-rc7 #7
[ 25.687375][ T228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS d55cb5a 04/01/2014
[ 25.687991][ T228] Call Trace:
[ 25.688223][ T228] <TASK>
[ 25.688429][ T228] dump_stack_lvl+0x73/0x9e
[ 25.688747][ T228] print_report+0xea/0x200
[ 25.689061][ T228] ? copy_from_bpfptr+0x21/0x30
[ 25.689401][ T228] ? _printk+0x54/0x6e
[ 25.689693][ T228] ? _raw_spin_lock_irqsave+0x70/0xd0
[ 25.690071][ T228] ? copy_from_bpfptr+0x21/0x30
[ 25.690412][ T228] kasan_report+0xb5/0xe0
[ 25.690716][ T228] ? copy_from_bpfptr+0x21/0x30
[ 25.691059][ T228] kasan_check_range+0x2bd/0x2e0
[ 25.691405][ T228] ? copy_from_bpfptr+0x21/0x30
[ 25.691734][ T228] memcpy+0x25/0x60
[ 25.692000][ T228] copy_from_bpfptr+0x21/0x30
[ 25.692328][ T228] bpf_prog_load+0x604/0x9e0
[ 25.692653][ T228] ? cap_capable+0xb4/0xe0
[ 25.692956][ T228] ? security_capable+0x4f/0x70
[ 25.693324][ T228] __sys_bpf+0x3af/0x580
[ 25.693635][ T228] bpf_sys_bpf+0x45/0x240
[ 25.693937][ T228] bpf_prog_f0ec79a5a3caca46_bpf_func1+0xa2/0xbd
[ 25.694394][ T228] bpf_prog_run_pin_on_cpu+0x2f/0xb0
[ 25.694756][ T228] bpf_prog_test_run_syscall+0x146/0x1c0
[ 25.695144][ T228] bpf_prog_test_run+0x172/0x190
[ 25.695487][ T228] __sys_bpf+0x2c5/0x580
[ 25.695776][ T228] __x64_sys_bpf+0x3a/0x50
[ 25.696084][ T228] do_syscall_64+0x60/0x90
[ 25.696393][ T228] ? fpregs_assert_state_consistent+0x50/0x60
[ 25.696815][ T228] ? exit_to_user_mode_prepare+0x36/0xa0
[ 25.697202][ T228] ? syscall_exit_to_user_mode+0x20/0x40
[ 25.697586][ T228] ? do_syscall_64+0x6e/0x90
[ 25.697899][ T228] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 25.698312][ T228] RIP: 0033:0x7f6d543fb759
[ 25.698624][ T228] Code: 08 5b 89 e8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 97 a6 0e 00 f7 d8 64 89 01 48
[ 25.699946][ T228] RSP: 002b:00007ffc3df78468 EFLAGS: 00000287 ORIG_RAX: 0000000000000141
[ 25.700526][ T228] RAX: ffffffffffffffda RBX: 00007ffc3df78628 RCX: 00007f6d543fb759
[ 25.701071][ T228] RDX: 0000000000000090 RSI: 00007ffc3df78478 RDI: 000000000000000a
[ 25.701636][ T228] RBP: 00007ffc3df78510 R08: 0000000000000000 R09: 0000000000300000
[ 25.702191][ T228] R10: 0000000000000005 R11: 0000000000000287 R12: 0000000000000000
[ 25.702736][ T228] R13: 00007ffc3df78638 R14: 000055a1584aca68 R15: 00007f6d5456a000
[ 25.703282][ T228] </TASK>
[ 25.703490][ T228] ==================================================================
[ 25.704050][ T228] Disabling lock debugging due to kernel taint
Update copy_from_bpfptr() and strncpy_from_bpfptr() so that:
- for a kernel pointer, it uses the safe copy_from_kernel_nofault() and
strncpy_from_kernel_nofault() functions.
- for a userspace pointer, it performs copy_from_user() and
strncpy_from_user().
Fixes: af2ac3e13e45 ("bpf: Prepare bpf syscall to be used from kernel and user space.")
Link: https://lore.kernel.org/bpf/20220727132905.45166-1-jinghao@linux.ibm.com/
Signed-off-by: Jinghao Jia <jinghao@linux.ibm.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220729201713.88688-1-jinghao@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/bpfptr.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/include/linux/bpfptr.h
+++ b/include/linux/bpfptr.h
@@ -48,7 +48,9 @@ static inline void bpfptr_add(bpfptr_t *
static inline int copy_from_bpfptr_offset(void *dst, bpfptr_t src,
size_t offset, size_t size)
{
- return copy_from_sockptr_offset(dst, (sockptr_t) src, offset, size);
+ if (!bpfptr_is_kernel(src))
+ return copy_from_user(dst, src.user + offset, size);
+ return copy_from_kernel_nofault(dst, src.kernel + offset, size);
}
static inline int copy_from_bpfptr(void *dst, bpfptr_t src, size_t size)
@@ -77,7 +79,9 @@ static inline void *kvmemdup_bpfptr(bpfp
static inline long strncpy_from_bpfptr(char *dst, bpfptr_t src, size_t count)
{
- return strncpy_from_sockptr(dst, (sockptr_t) src, count);
+ if (bpfptr_is_kernel(src))
+ return strncpy_from_kernel_nofault(dst, src.kernel, count);
+ return strncpy_from_user(dst, src.user, count);
}
#endif /* _LINUX_BPFPTR_H */
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 043/244] bpf: Dont reinit map value in prealloc_lru_pop
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (41 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 042/244] BPF: Fix potential bad pointer dereference in bpf_sys_bpf() Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 044/244] bpf: Acquire map uref in .init_seq_private for array map iterator Greg Kroah-Hartman
` (202 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yonghong Song,
Kumar Kartikeya Dwivedi, Martin KaFai Lau, Alexei Starovoitov
From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
commit 275c30bcee66a27d1aa97a215d607ad6d49804cb upstream.
The LRU map that is preallocated may have its elements reused while
another program holds a pointer to it from bpf_map_lookup_elem. Hence,
only check_and_free_fields is appropriate when the element is being
deleted, as it ensures proper synchronization against concurrent access
of the map value. After that, we cannot call check_and_init_map_value
again as it may rewrite bpf_spin_lock, bpf_timer, and kptr fields while
they can be concurrently accessed from a BPF program.
This is safe to do as when the map entry is deleted, concurrent access
is protected against by check_and_free_fields, i.e. an existing timer
would be freed, and any existing kptr will be released by it. The
program can create further timers and kptrs after check_and_free_fields,
but they will eventually be released once the preallocated items are
freed on map destruction, even if the item is never reused again. Hence,
the deleted item sitting in the free list can still have resources
attached to it, and they would never leak.
With spin_lock, we never touch the field at all on delete or update, as
we may end up modifying the state of the lock. Since the verifier
ensures that a bpf_spin_lock call is always paired with bpf_spin_unlock
call, the program will eventually release the lock so that on reuse the
new user of the value can take the lock.
Essentially, for the preallocated case, we must assume that the map
value may always be in use by the program, even when it is sitting in
the freelist, and handle things accordingly, i.e. use proper
synchronization inside check_and_free_fields, and never reinitialize the
special fields when it is reused on update.
Fixes: 68134668c17f ("bpf: Add map side support for bpf timers.")
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/r/20220809213033.24147-3-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/bpf/hashtab.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -291,12 +291,8 @@ static struct htab_elem *prealloc_lru_po
struct htab_elem *l;
if (node) {
- u32 key_size = htab->map.key_size;
-
l = container_of(node, struct htab_elem, lru_node);
- memcpy(l->key, key, key_size);
- check_and_init_map_value(&htab->map,
- l->key + round_up(key_size, 8));
+ memcpy(l->key, key, htab->map.key_size);
return l;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 044/244] bpf: Acquire map uref in .init_seq_private for array map iterator
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (42 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 043/244] bpf: Dont reinit map value in prealloc_lru_pop Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 045/244] bpf: Acquire map uref in .init_seq_private for hash " Greg Kroah-Hartman
` (201 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hou Tao, Yonghong Song, Alexei Starovoitov
From: Hou Tao <houtao1@huawei.com>
commit f76fa6b338055054f80c72b29c97fb95c1becadc upstream.
bpf_iter_attach_map() acquires a map uref, and the uref may be released
before or in the middle of iterating map elements. For example, the uref
could be released in bpf_iter_detach_map() as part of
bpf_link_release(), or could be released in bpf_map_put_with_uref() as
part of bpf_map_release().
Alternative fix is acquiring an extra bpf_link reference just like
a pinned map iterator does, but it introduces unnecessary dependency
on bpf_link instead of bpf_map.
So choose another fix: acquiring an extra map uref in .init_seq_private
for array map iterator.
Fixes: d3cc2ab546ad ("bpf: Implement bpf iterator for array maps")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-2-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/bpf/arraymap.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -620,6 +620,11 @@ static int bpf_iter_init_array_map(void
seq_info->percpu_value_buf = value_buf;
}
+ /* bpf_iter_attach_map() acquires a map uref, and the uref may be
+ * released before or in the middle of iterating map elements, so
+ * acquire an extra map uref for iterator.
+ */
+ bpf_map_inc_with_uref(map);
seq_info->map = map;
return 0;
}
@@ -628,6 +633,7 @@ static void bpf_iter_fini_array_map(void
{
struct bpf_iter_seq_array_map_info *seq_info = priv_data;
+ bpf_map_put_with_uref(seq_info->map);
kfree(seq_info->percpu_value_buf);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 045/244] bpf: Acquire map uref in .init_seq_private for hash map iterator
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (43 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 044/244] bpf: Acquire map uref in .init_seq_private for array map iterator Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 046/244] bpf: Acquire map uref in .init_seq_private for sock local storage " Greg Kroah-Hartman
` (200 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hou Tao, Yonghong Song, Alexei Starovoitov
From: Hou Tao <houtao1@huawei.com>
commit ef1e93d2eeb58a1f08c37b22a2314b94bc045f15 upstream.
bpf_iter_attach_map() acquires a map uref, and the uref may be released
before or in the middle of iterating map elements. For example, the uref
could be released in bpf_iter_detach_map() as part of
bpf_link_release(), or could be released in bpf_map_put_with_uref() as
part of bpf_map_release().
So acquiring an extra map uref in bpf_iter_init_hash_map() and
releasing it in bpf_iter_fini_hash_map().
Fixes: d6c4503cc296 ("bpf: Implement bpf iterator for hash maps")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-3-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/bpf/hashtab.c | 2 ++
1 file changed, 2 insertions(+)
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -2019,6 +2019,7 @@ static int bpf_iter_init_hash_map(void *
seq_info->percpu_value_buf = value_buf;
}
+ bpf_map_inc_with_uref(map);
seq_info->map = map;
seq_info->htab = container_of(map, struct bpf_htab, map);
return 0;
@@ -2028,6 +2029,7 @@ static void bpf_iter_fini_hash_map(void
{
struct bpf_iter_seq_hash_map_info *seq_info = priv_data;
+ bpf_map_put_with_uref(seq_info->map);
kfree(seq_info->percpu_value_buf);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 046/244] bpf: Acquire map uref in .init_seq_private for sock local storage map iterator
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (44 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 045/244] bpf: Acquire map uref in .init_seq_private for hash " Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 047/244] bpf: Acquire map uref in .init_seq_private for sock{map,hash} iterator Greg Kroah-Hartman
` (199 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hou Tao, Yonghong Song,
Martin KaFai Lau, Alexei Starovoitov
From: Hou Tao <houtao1@huawei.com>
commit 3c5f6e698b5c538bbb23cd453b22e1e4922cffd8 upstream.
bpf_iter_attach_map() acquires a map uref, and the uref may be released
before or in the middle of iterating map elements. For example, the uref
could be released in bpf_iter_detach_map() as part of
bpf_link_release(), or could be released in bpf_map_put_with_uref() as
part of bpf_map_release().
So acquiring an extra map uref in bpf_iter_init_sk_storage_map() and
releasing it in bpf_iter_fini_sk_storage_map().
Fixes: 5ce6e77c7edf ("bpf: Implement bpf iterator for sock local storage map")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-4-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/core/bpf_sk_storage.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -865,10 +865,18 @@ static int bpf_iter_init_sk_storage_map(
{
struct bpf_iter_seq_sk_storage_map_info *seq_info = priv_data;
+ bpf_map_inc_with_uref(aux->map);
seq_info->map = aux->map;
return 0;
}
+static void bpf_iter_fini_sk_storage_map(void *priv_data)
+{
+ struct bpf_iter_seq_sk_storage_map_info *seq_info = priv_data;
+
+ bpf_map_put_with_uref(seq_info->map);
+}
+
static int bpf_iter_attach_map(struct bpf_prog *prog,
union bpf_iter_link_info *linfo,
struct bpf_iter_aux_info *aux)
@@ -914,7 +922,7 @@ static const struct seq_operations bpf_s
static const struct bpf_iter_seq_info iter_seq_info = {
.seq_ops = &bpf_sk_storage_map_seq_ops,
.init_seq_private = bpf_iter_init_sk_storage_map,
- .fini_seq_private = NULL,
+ .fini_seq_private = bpf_iter_fini_sk_storage_map,
.seq_priv_size = sizeof(struct bpf_iter_seq_sk_storage_map_info),
};
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 047/244] bpf: Acquire map uref in .init_seq_private for sock{map,hash} iterator
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (45 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 046/244] bpf: Acquire map uref in .init_seq_private for sock local storage " Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 048/244] bpf: Check the validity of max_rdwr_access for sock local storage map iterator Greg Kroah-Hartman
` (198 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hou Tao, Yonghong Song, Alexei Starovoitov
From: Hou Tao <houtao1@huawei.com>
commit f0d2b2716d71778d0b0c8eaa433c073287d69d93 upstream.
sock_map_iter_attach_target() acquires a map uref, and the uref may be
released before or in the middle of iterating map elements. For example,
the uref could be released in sock_map_iter_detach_target() as part of
bpf_link_release(), or could be released in bpf_map_put_with_uref() as
part of bpf_map_release().
Fixing it by acquiring an extra map uref in .init_seq_private and
releasing it in .fini_seq_private.
Fixes: 0365351524d7 ("net: Allow iterating sockmap and sockhash")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-5-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/core/sock_map.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -789,13 +789,22 @@ static int sock_map_init_seq_private(voi
{
struct sock_map_seq_info *info = priv_data;
+ bpf_map_inc_with_uref(aux->map);
info->map = aux->map;
return 0;
}
+static void sock_map_fini_seq_private(void *priv_data)
+{
+ struct sock_map_seq_info *info = priv_data;
+
+ bpf_map_put_with_uref(info->map);
+}
+
static const struct bpf_iter_seq_info sock_map_iter_seq_info = {
.seq_ops = &sock_map_seq_ops,
.init_seq_private = sock_map_init_seq_private,
+ .fini_seq_private = sock_map_fini_seq_private,
.seq_priv_size = sizeof(struct sock_map_seq_info),
};
@@ -1376,18 +1385,27 @@ static const struct seq_operations sock_
};
static int sock_hash_init_seq_private(void *priv_data,
- struct bpf_iter_aux_info *aux)
+ struct bpf_iter_aux_info *aux)
{
struct sock_hash_seq_info *info = priv_data;
+ bpf_map_inc_with_uref(aux->map);
info->map = aux->map;
info->htab = container_of(aux->map, struct bpf_shtab, map);
return 0;
}
+static void sock_hash_fini_seq_private(void *priv_data)
+{
+ struct sock_hash_seq_info *info = priv_data;
+
+ bpf_map_put_with_uref(info->map);
+}
+
static const struct bpf_iter_seq_info sock_hash_iter_seq_info = {
.seq_ops = &sock_hash_seq_ops,
.init_seq_private = sock_hash_init_seq_private,
+ .fini_seq_private = sock_hash_fini_seq_private,
.seq_priv_size = sizeof(struct sock_hash_seq_info),
};
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 048/244] bpf: Check the validity of max_rdwr_access for sock local storage map iterator
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (46 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 047/244] bpf: Acquire map uref in .init_seq_private for sock{map,hash} iterator Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 049/244] can: mcp251x: Fix race condition on receive interrupt Greg Kroah-Hartman
` (197 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hou Tao, Yonghong Song,
Martin KaFai Lau, Alexei Starovoitov
From: Hou Tao <houtao1@huawei.com>
commit 52bd05eb7c88e1ad8541a48873188ccebca9da26 upstream.
The value of sock local storage map is writable in map iterator, so check
max_rdwr_access instead of max_rdonly_access.
Fixes: 5ce6e77c7edf ("bpf: Implement bpf iterator for sock local storage map")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/r/20220810080538.1845898-6-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/core/bpf_sk_storage.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -894,7 +894,7 @@ static int bpf_iter_attach_map(struct bp
if (map->map_type != BPF_MAP_TYPE_SK_STORAGE)
goto put_map;
- if (prog->aux->max_rdonly_access > map->value_size) {
+ if (prog->aux->max_rdwr_access > map->value_size) {
err = -EACCES;
goto put_map;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 049/244] can: mcp251x: Fix race condition on receive interrupt
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (47 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 048/244] bpf: Check the validity of max_rdwr_access for sock local storage map iterator Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 050/244] can: j1939: j1939_session_destroy(): fix memory leak of skbs Greg Kroah-Hartman
` (196 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sebastian Würl, Marc Kleine-Budde
From: Sebastian Würl <sebastian.wuerl@ororatech.com>
commit d80d60b0db6ff3dd2e29247cc2a5166d7e9ae37e upstream.
The mcp251x driver uses both receiving mailboxes of the CAN controller
chips. For retrieving the CAN frames from the controller via SPI, it checks
once per interrupt which mailboxes have been filled and will retrieve the
messages accordingly.
This introduces a race condition, as another CAN frame can enter mailbox 1
while mailbox 0 is emptied. If now another CAN frame enters mailbox 0 until
the interrupt handler is called next, mailbox 0 is emptied before
mailbox 1, leading to out-of-order CAN frames in the network device.
This is fixed by checking the interrupt flags once again after freeing
mailbox 0, to correctly also empty mailbox 1 before leaving the handler.
For reproducing the bug I created the following setup:
- Two CAN devices, one Raspberry Pi with MCP2515, the other can be any.
- Setup CAN to 1 MHz
- Spam bursts of 5 CAN-messages with increasing CAN-ids
- Continue sending the bursts while sleeping a second between the bursts
- Check on the RPi whether the received messages have increasing CAN-ids
- Without this patch, every burst of messages will contain a flipped pair
v3: https://lore.kernel.org/all/20220804075914.67569-1-sebastian.wuerl@ororatech.com
v2: https://lore.kernel.org/all/20220804064803.63157-1-sebastian.wuerl@ororatech.com
v1: https://lore.kernel.org/all/20220803153300.58732-1-sebastian.wuerl@ororatech.com
Fixes: bf66f3736a94 ("can: mcp251x: Move to threaded interrupts instead of workqueues.")
Signed-off-by: Sebastian Würl <sebastian.wuerl@ororatech.com>
Link: https://lore.kernel.org/all/20220804081411.68567-1-sebastian.wuerl@ororatech.com
[mkl: reduce scope of intf1, eflag1]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/can/spi/mcp251x.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1074,9 +1074,6 @@ static irqreturn_t mcp251x_can_ist(int i
mcp251x_read_2regs(spi, CANINTF, &intf, &eflag);
- /* mask out flags we don't care about */
- intf &= CANINTF_RX | CANINTF_TX | CANINTF_ERR;
-
/* receive buffer 0 */
if (intf & CANINTF_RX0IF) {
mcp251x_hw_rx(spi, 0);
@@ -1086,6 +1083,18 @@ static irqreturn_t mcp251x_can_ist(int i
if (mcp251x_is_2510(spi))
mcp251x_write_bits(spi, CANINTF,
CANINTF_RX0IF, 0x00);
+
+ /* check if buffer 1 is already known to be full, no need to re-read */
+ if (!(intf & CANINTF_RX1IF)) {
+ u8 intf1, eflag1;
+
+ /* intf needs to be read again to avoid a race condition */
+ mcp251x_read_2regs(spi, CANINTF, &intf1, &eflag1);
+
+ /* combine flags from both operations for error handling */
+ intf |= intf1;
+ eflag |= eflag1;
+ }
}
/* receive buffer 1 */
@@ -1096,6 +1105,9 @@ static irqreturn_t mcp251x_can_ist(int i
clear_intf |= CANINTF_RX1IF;
}
+ /* mask out flags we don't care about */
+ intf &= CANINTF_RX | CANINTF_TX | CANINTF_ERR;
+
/* any error or tx interrupt we need to clear? */
if (intf & (CANINTF_ERR | CANINTF_TX))
clear_intf |= intf & (CANINTF_ERR | CANINTF_TX);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 050/244] can: j1939: j1939_session_destroy(): fix memory leak of skbs
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (48 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 049/244] can: mcp251x: Fix race condition on receive interrupt Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 051/244] net: atlantic: fix aq_vec index out of range error Greg Kroah-Hartman
` (195 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Oleksij Rempel, Fedor Pchelkin,
Alexey Khoroshilov, Marc Kleine-Budde
From: Fedor Pchelkin <pchelkin@ispras.ru>
commit 8c21c54a53ab21842f5050fa090f26b03c0313d6 upstream.
We need to drop skb references taken in j1939_session_skb_queue() when
destroying a session in j1939_session_destroy(). Otherwise those skbs
would be lost.
Link to Syzkaller info and repro: https://forge.ispras.ru/issues/11743.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
V1: https://lore.kernel.org/all/20220708175949.539064-1-pchelkin@ispras.ru
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20220805150216.66313-1-pchelkin@ispras.ru
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/can/j1939/transport.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -260,6 +260,8 @@ static void __j1939_session_drop(struct
static void j1939_session_destroy(struct j1939_session *session)
{
+ struct sk_buff *skb;
+
if (session->transmission) {
if (session->err)
j1939_sk_errqueue(session, J1939_ERRQUEUE_TX_ABORT);
@@ -274,7 +276,11 @@ static void j1939_session_destroy(struct
WARN_ON_ONCE(!list_empty(&session->sk_session_queue_entry));
WARN_ON_ONCE(!list_empty(&session->active_session_list_entry));
- skb_queue_purge(&session->skb_queue);
+ while ((skb = skb_dequeue(&session->skb_queue)) != NULL) {
+ /* drop ref taken in j1939_session_skb_queue() */
+ skb_unref(skb);
+ kfree_skb(skb);
+ }
__j1939_session_drop(session);
j1939_priv_put(session->priv);
kfree(session);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 051/244] net: atlantic: fix aq_vec index out of range error
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (49 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 050/244] can: j1939: j1939_session_destroy(): fix memory leak of skbs Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 052/244] m68k: coldfire/device.c: protect FLEXCAN blocks Greg Kroah-Hartman
` (194 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Chia-Lin Kao (AceLan),
Sudarsana Reddy Kalluru, Jakub Kicinski
From: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
commit 2ba5e47fb75fbb8fab45f5c1bc8d5c33d8834bd3 upstream.
The final update statement of the for loop exceeds the array range, the
dereference of self->aq_vec[i] is not checked and then leads to the
index out of range error.
Also fixed this kind of coding style in other for loop.
[ 97.937604] UBSAN: array-index-out-of-bounds in drivers/net/ethernet/aquantia/atlantic/aq_nic.c:1404:48
[ 97.937607] index 8 is out of range for type 'aq_vec_s *[8]'
[ 97.937608] CPU: 38 PID: 3767 Comm: kworker/u256:18 Not tainted 5.19.0+ #2
[ 97.937610] Hardware name: Dell Inc. Precision 7865 Tower/, BIOS 1.0.0 06/12/2022
[ 97.937611] Workqueue: events_unbound async_run_entry_fn
[ 97.937616] Call Trace:
[ 97.937617] <TASK>
[ 97.937619] dump_stack_lvl+0x49/0x63
[ 97.937624] dump_stack+0x10/0x16
[ 97.937626] ubsan_epilogue+0x9/0x3f
[ 97.937627] __ubsan_handle_out_of_bounds.cold+0x44/0x49
[ 97.937629] ? __scm_send+0x348/0x440
[ 97.937632] ? aq_vec_stop+0x72/0x80 [atlantic]
[ 97.937639] aq_nic_stop+0x1b6/0x1c0 [atlantic]
[ 97.937644] aq_suspend_common+0x88/0x90 [atlantic]
[ 97.937648] aq_pm_suspend_poweroff+0xe/0x20 [atlantic]
[ 97.937653] pci_pm_suspend+0x7e/0x1a0
[ 97.937655] ? pci_pm_suspend_noirq+0x2b0/0x2b0
[ 97.937657] dpm_run_callback+0x54/0x190
[ 97.937660] __device_suspend+0x14c/0x4d0
[ 97.937661] async_suspend+0x23/0x70
[ 97.937663] async_run_entry_fn+0x33/0x120
[ 97.937664] process_one_work+0x21f/0x3f0
[ 97.937666] worker_thread+0x4a/0x3c0
[ 97.937668] ? process_one_work+0x3f0/0x3f0
[ 97.937669] kthread+0xf0/0x120
[ 97.937671] ? kthread_complete_and_exit+0x20/0x20
[ 97.937672] ret_from_fork+0x22/0x30
[ 97.937676] </TASK>
v2. fixed "warning: variable 'aq_vec' set but not used"
v3. simplified a for loop
Fixes: 97bde5c4f909 ("net: ethernet: aquantia: Support for NIC-specific code")
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Acked-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Link: https://lore.kernel.org/r/20220808081845.42005-1-acelan.kao@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 21 ++++++++-------------
1 file changed, 8 insertions(+), 13 deletions(-)
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -265,12 +265,10 @@ static void aq_nic_service_timer_cb(stru
static void aq_nic_polling_timer_cb(struct timer_list *t)
{
struct aq_nic_s *self = from_timer(self, t, polling_timer);
- struct aq_vec_s *aq_vec = NULL;
unsigned int i = 0U;
- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
- aq_vec_isr(i, (void *)aq_vec);
+ for (i = 0U; self->aq_vecs > i; ++i)
+ aq_vec_isr(i, (void *)self->aq_vec[i]);
mod_timer(&self->polling_timer, jiffies +
AQ_CFG_POLLING_TIMER_INTERVAL);
@@ -872,7 +870,6 @@ int aq_nic_get_regs_count(struct aq_nic_
u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
{
- struct aq_vec_s *aq_vec = NULL;
struct aq_stats_s *stats;
unsigned int count = 0U;
unsigned int i = 0U;
@@ -922,11 +919,11 @@ u64 *aq_nic_get_stats(struct aq_nic_s *s
data += i;
for (tc = 0U; tc < self->aq_nic_cfg.tcs; tc++) {
- for (i = 0U, aq_vec = self->aq_vec[0];
- aq_vec && self->aq_vecs > i;
- ++i, aq_vec = self->aq_vec[i]) {
+ for (i = 0U; self->aq_vecs > i; ++i) {
+ if (!self->aq_vec[i])
+ break;
data += count;
- count = aq_vec_get_sw_stats(aq_vec, tc, data);
+ count = aq_vec_get_sw_stats(self->aq_vec[i], tc, data);
}
}
@@ -1240,7 +1237,6 @@ int aq_nic_set_loopback(struct aq_nic_s
int aq_nic_stop(struct aq_nic_s *self)
{
- struct aq_vec_s *aq_vec = NULL;
unsigned int i = 0U;
netif_tx_disable(self->ndev);
@@ -1258,9 +1254,8 @@ int aq_nic_stop(struct aq_nic_s *self)
aq_ptp_irq_free(self);
- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
- aq_vec_stop(aq_vec);
+ for (i = 0U; self->aq_vecs > i; ++i)
+ aq_vec_stop(self->aq_vec[i]);
aq_ptp_ring_stop(self);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 052/244] m68k: coldfire/device.c: protect FLEXCAN blocks
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (50 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 051/244] net: atlantic: fix aq_vec index out of range error Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 053/244] sunrpc: fix expiry of auth creds Greg Kroah-Hartman
` (193 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Randy Dunlap, Greg Ungerer,
Geert Uytterhoeven, linux-m68k, uclinux-dev, Angelo Dureghello
From: Randy Dunlap <rdunlap@infradead.org>
commit 3c2bf173501652fced1d058834e9c983d295b126 upstream.
When CAN_FLEXCAN=y and M5441x is not set/enabled, there are build
errors in coldfire/device.c:
../arch/m68k/coldfire/device.c:595:26: error: 'MCFFLEXCAN_BASE0' undeclared here (not in a function); did you mean 'MCFDMA_BASE0'?
595 | .start = MCFFLEXCAN_BASE0,
../arch/m68k/coldfire/device.c:596:43: error: 'MCFFLEXCAN_SIZE' undeclared here (not in a function)
596 | .end = MCFFLEXCAN_BASE0 + MCFFLEXCAN_SIZE,
../arch/m68k/coldfire/device.c:600:26: error: 'MCF_IRQ_IFL0' undeclared here (not in a function); did you mean 'MCF_IRQ_I2C0'?
600 | .start = MCF_IRQ_IFL0,
../arch/m68k/coldfire/device.c:605:26: error: 'MCF_IRQ_BOFF0' undeclared here (not in a function); did you mean 'MCF_IRQ_I2C0'?
605 | .start = MCF_IRQ_BOFF0,
../arch/m68k/coldfire/device.c:610:26: error: 'MCF_IRQ_ERR0' undeclared here (not in a function); did you mean 'MCF_IRQ_I2C0'?
610 | .start = MCF_IRQ_ERR0,
Protect the FLEXCAN code blocks by checking if MCFFLEXCAN_SIZE
is defined.
Fixes: 35a9f9363a89 ("m68k: m5441x: add flexcan support")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Cc: uclinux-dev@uclinux.org
Cc: Angelo Dureghello <angelo@kernel-space.org>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/m68k/coldfire/device.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index 4218750414bb..7dab46728aed 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -581,7 +581,7 @@ static struct platform_device mcf_esdhc = {
};
#endif /* MCFSDHC_BASE */
-#if IS_ENABLED(CONFIG_CAN_FLEXCAN)
+#ifdef MCFFLEXCAN_SIZE
#include <linux/can/platform/flexcan.h>
@@ -620,7 +620,7 @@ static struct platform_device mcf_flexcan0 = {
.resource = mcf5441x_flexcan0_resource,
.dev.platform_data = &mcf5441x_flexcan_info,
};
-#endif /* IS_ENABLED(CONFIG_CAN_FLEXCAN) */
+#endif /* MCFFLEXCAN_SIZE */
static struct platform_device *mcf_devices[] __initdata = {
&mcf_uart,
@@ -657,7 +657,7 @@ static struct platform_device *mcf_devices[] __initdata = {
#ifdef MCFSDHC_BASE
&mcf_esdhc,
#endif
-#if IS_ENABLED(CONFIG_CAN_FLEXCAN)
+#ifdef MCFFLEXCAN_SIZE
&mcf_flexcan0,
#endif
};
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 053/244] sunrpc: fix expiry of auth creds
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (51 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 052/244] m68k: coldfire/device.c: protect FLEXCAN blocks Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 054/244] SUNRPC: Fix xdr_encode_bool() Greg Kroah-Hartman
` (192 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Dan Aloni, Trond Myklebust
From: Dan Aloni <dan.aloni@vastdata.com>
commit f1bafa7375c01ff71fb7cb97c06caadfcfe815f3 upstream.
Before this commit, with a large enough LRU of expired items (100), the
loop skipped all the expired items and was entirely ineffectual in
trimming the LRU list.
Fixes: 95cd623250ad ('SUNRPC: Clean up the AUTH cache code')
Signed-off-by: Dan Aloni <dan.aloni@vastdata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/sunrpc/auth.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -445,7 +445,7 @@ rpcauth_prune_expired(struct list_head *
* Enforce a 60 second garbage collection moratorium
* Note that the cred_unused list must be time-ordered.
*/
- if (!time_in_range(cred->cr_expire, expired, jiffies))
+ if (time_in_range(cred->cr_expire, expired, jiffies))
continue;
if (!rpcauth_unhash_cred(cred))
continue;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 054/244] SUNRPC: Fix xdr_encode_bool()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (52 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 053/244] sunrpc: fix expiry of auth creds Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 055/244] SUNRPC: Reinitialise the backchannel request buffers before reuse Greg Kroah-Hartman
` (191 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Chuck Lever, Jeff Layton
From: Chuck Lever <chuck.lever@oracle.com>
commit c770f31d8f580ed4b965c64f924ec1cc50e41734 upstream.
I discovered that xdr_encode_bool() was returning the same address
that was passed in the @p parameter. The documenting comment states
that the intent is to return the address of the next buffer
location, just like the other "xdr_encode_*" helpers.
The result was the encoded results of NFSv3 PATHCONF operations were
not formed correctly.
Fixes: ded04a587f6c ("NFSD: Update the NFSv3 PATHCONF3res encoder to use struct xdr_stream")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
include/linux/sunrpc/xdr.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -405,8 +405,8 @@ static inline int xdr_stream_encode_item
*/
static inline __be32 *xdr_encode_bool(__be32 *p, u32 n)
{
- *p = n ? xdr_one : xdr_zero;
- return p++;
+ *p++ = n ? xdr_one : xdr_zero;
+ return p;
}
/**
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 055/244] SUNRPC: Reinitialise the backchannel request buffers before reuse
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (53 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 054/244] SUNRPC: Fix xdr_encode_bool() Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 056/244] virtio_net: fix memory leak inside XPD_TX with mergeable Greg Kroah-Hartman
` (190 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Trond Myklebust
From: Trond Myklebust <trond.myklebust@hammerspace.com>
commit 6622e3a73112fc336c1c2c582428fb5ef18e456a upstream.
When we're reusing the backchannel requests instead of freeing them,
then we should reinitialise any values of the send/receive xdr_bufs so
that they reflect the available space.
Fixes: 0d2a970d0ae5 ("SUNRPC: Fix a backchannel race")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/sunrpc/backchannel_rqst.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/net/sunrpc/backchannel_rqst.c
+++ b/net/sunrpc/backchannel_rqst.c
@@ -64,6 +64,17 @@ static void xprt_free_allocation(struct
kfree(req);
}
+static void xprt_bc_reinit_xdr_buf(struct xdr_buf *buf)
+{
+ buf->head[0].iov_len = PAGE_SIZE;
+ buf->tail[0].iov_len = 0;
+ buf->pages = NULL;
+ buf->page_len = 0;
+ buf->flags = 0;
+ buf->len = 0;
+ buf->buflen = PAGE_SIZE;
+}
+
static int xprt_alloc_xdr_buf(struct xdr_buf *buf, gfp_t gfp_flags)
{
struct page *page;
@@ -292,6 +303,9 @@ void xprt_free_bc_rqst(struct rpc_rqst *
*/
spin_lock_bh(&xprt->bc_pa_lock);
if (xprt_need_to_requeue(xprt)) {
+ xprt_bc_reinit_xdr_buf(&req->rq_snd_buf);
+ xprt_bc_reinit_xdr_buf(&req->rq_rcv_buf);
+ req->rq_rcv_buf.len = PAGE_SIZE;
list_add_tail(&req->rq_bc_pa_list, &xprt->bc_pa_list);
xprt->bc_alloc_count++;
atomic_inc(&xprt->bc_slot_count);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 056/244] virtio_net: fix memory leak inside XPD_TX with mergeable
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (54 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 055/244] SUNRPC: Reinitialise the backchannel request buffers before reuse Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 057/244] devlink: Fix use-after-free after a failed reload Greg Kroah-Hartman
` (189 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Xuan Zhuo, Jason Wang, David S. Miller
From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
commit 7a542bee27c6a57e45c33cbbdc963325fd6493af upstream.
When we call xdp_convert_buff_to_frame() to get xdpf, if it returns
NULL, we should check if xdp_page was allocated by xdp_linearize_page().
If it is newly allocated, it should be freed here alone. Just like any
other "goto err_xdp".
Fixes: 44fa2dbd4759 ("xdp: transition into using xdp_frame for ndo_xdp_xmit")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/virtio_net.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1017,8 +1017,11 @@ static struct sk_buff *receive_mergeable
case XDP_TX:
stats->xdp_tx++;
xdpf = xdp_convert_buff_to_frame(&xdp);
- if (unlikely(!xdpf))
+ if (unlikely(!xdpf)) {
+ if (unlikely(xdp_page != page))
+ put_page(xdp_page);
goto err_xdp;
+ }
err = virtnet_xdp_xmit(dev, 1, &xdpf, 0);
if (unlikely(!err)) {
xdp_return_frame_rx_napi(xdpf);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 057/244] devlink: Fix use-after-free after a failed reload
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (55 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 056/244] virtio_net: fix memory leak inside XPD_TX with mergeable Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 058/244] net: phy: Warn about incorrect mdio_bus_phy_resume() state Greg Kroah-Hartman
` (188 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ido Schimmel, Jiri Pirko, David S. Miller
From: Ido Schimmel <idosch@nvidia.com>
commit 6b4db2e528f650c7fb712961aac36455468d5902 upstream.
After a failed devlink reload, devlink parameters are still registered,
which means user space can set and get their values. In the case of the
mlxsw "acl_region_rehash_interval" parameter, these operations will
trigger a use-after-free [1].
Fix this by rejecting set and get operations while in the failed state.
Return the "-EOPNOTSUPP" error code which does not abort the parameters
dump, but instead causes it to skip over the problematic parameter.
Another possible fix is to perform these checks in the mlxsw parameter
callbacks, but other drivers might be affected by the same problem and I
am not aware of scenarios where these stricter checks will cause a
regression.
[1]
mlxsw_spectrum3 0000:00:10.0: Port 125: Failed to register netdev
mlxsw_spectrum3 0000:00:10.0: Failed to create ports
==================================================================
BUG: KASAN: use-after-free in mlxsw_sp_acl_tcam_vregion_rehash_intrvl_get+0xbd/0xd0 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c:904
Read of size 4 at addr ffff8880099dcfd8 by task kworker/u4:4/777
CPU: 1 PID: 777 Comm: kworker/u4:4 Not tainted 5.19.0-rc7-custom-126601-gfe26f28c586d #1
Hardware name: QEMU MSN4700, BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x92/0xbd lib/dump_stack.c:106
print_address_description mm/kasan/report.c:313 [inline]
print_report.cold+0x5e/0x5cf mm/kasan/report.c:429
kasan_report+0xb9/0xf0 mm/kasan/report.c:491
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:306
mlxsw_sp_acl_tcam_vregion_rehash_intrvl_get+0xbd/0xd0 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c:904
mlxsw_sp_acl_region_rehash_intrvl_get+0x49/0x60 drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c:1106
mlxsw_sp_params_acl_region_rehash_intrvl_get+0x33/0x80 drivers/net/ethernet/mellanox/mlxsw/spectrum.c:3854
devlink_param_get net/core/devlink.c:4981 [inline]
devlink_nl_param_fill+0x238/0x12d0 net/core/devlink.c:5089
devlink_param_notify+0xe5/0x230 net/core/devlink.c:5168
devlink_ns_change_notify net/core/devlink.c:4417 [inline]
devlink_ns_change_notify net/core/devlink.c:4396 [inline]
devlink_reload+0x15f/0x700 net/core/devlink.c:4507
devlink_pernet_pre_exit+0x112/0x1d0 net/core/devlink.c:12272
ops_pre_exit_list net/core/net_namespace.c:152 [inline]
cleanup_net+0x494/0xc00 net/core/net_namespace.c:582
process_one_work+0x9fc/0x1710 kernel/workqueue.c:2289
worker_thread+0x675/0x10b0 kernel/workqueue.c:2436
kthread+0x30c/0x3d0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
The buggy address belongs to the physical page:
page:ffffea0000267700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x99dc
flags: 0x100000000000000(node=0|zone=1)
raw: 0100000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880099dce80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff8880099dcf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff8880099dcf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff8880099dd000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff8880099dd080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
Fixes: 98bbf70c1c41 ("mlxsw: spectrum: add "acl_region_rehash_interval" devlink param")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/core/devlink.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4413,7 +4413,7 @@ static int devlink_param_get(struct devl
const struct devlink_param *param,
struct devlink_param_gset_ctx *ctx)
{
- if (!param->get)
+ if (!param->get || devlink->reload_failed)
return -EOPNOTSUPP;
return param->get(devlink, param->id, ctx);
}
@@ -4422,7 +4422,7 @@ static int devlink_param_set(struct devl
const struct devlink_param *param,
struct devlink_param_gset_ctx *ctx)
{
- if (!param->set)
+ if (!param->set || devlink->reload_failed)
return -EOPNOTSUPP;
return param->set(devlink, param->id, ctx);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 058/244] net: phy: Warn about incorrect mdio_bus_phy_resume() state
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (56 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 057/244] devlink: Fix use-after-free after a failed reload Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 059/244] net: bcmgenet: Indicate MAC is in charge of PHY PM Greg Kroah-Hartman
` (187 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Florian Fainelli, Jakub Kicinski
From: Florian Fainelli <f.fainelli@gmail.com>
commit 744d23c71af39c7dc77ac7c3cac87ae86a181a85 upstream.
Calling mdio_bus_phy_resume() with neither the PHY state machine set to
PHY_HALTED nor phydev->mac_managed_pm set to true is a good indication
that we can produce a race condition looking like this:
CPU0 CPU1
bcmgenet_resume
-> phy_resume
-> phy_init_hw
-> phy_start
-> phy_resume
phy_start_aneg()
mdio_bus_phy_resume
-> phy_resume
-> phy_write(..., BMCR_RESET)
-> usleep() -> phy_read()
with the phy_resume() function triggering a PHY behavior that might have
to be worked around with (see bf8bfc4336f7 ("net: phy: broadcom: Fix
brcm_fet_config_init()") for instance) that ultimately leads to an error
reading from the PHY.
Fixes: fba863b81604 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220801233403.258871-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/phy/phy_device.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -315,6 +315,12 @@ static __maybe_unused int mdio_bus_phy_r
phydev->suspended_by_mdio_bus = 0;
+ /* If we managed to get here with the PHY state machine in a state other
+ * than PHY_HALTED this is an indication that something went wrong and
+ * we should most likely be using MAC managed PM and we are not.
+ */
+ WARN_ON(phydev->state != PHY_HALTED && !phydev->mac_managed_pm);
+
ret = phy_init_hw(phydev);
if (ret < 0)
return ret;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 059/244] net: bcmgenet: Indicate MAC is in charge of PHY PM
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (57 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 058/244] net: phy: Warn about incorrect mdio_bus_phy_resume() state Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 060/244] net: bgmac: Fix a BUG triggered by wrong bytes_compl Greg Kroah-Hartman
` (186 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Florian Fainelli, Jakub Kicinski
From: Florian Fainelli <f.fainelli@gmail.com>
commit bc3410f250219660a7be032c01c954a53b2c26ab upstream.
Avoid the PHY library call unnecessarily into the suspend/resume functions by
setting phydev->mac_managed_pm to true. The GENET driver essentially does
exactly what mdio_bus_phy_resume() does by calling phy_init_hw() plus
phy_resume().
Fixes: fba863b81604 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220804173605.1266574-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/broadcom/genet/bcmmii.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -361,6 +361,9 @@ int bcmgenet_mii_probe(struct net_device
if (priv->internal_phy && !GENET_IS_V5(priv))
dev->phydev->irq = PHY_MAC_INTERRUPT;
+ /* Indicate that the MAC is responsible for PHY PM */
+ dev->phydev->mac_managed_pm = true;
+
return 0;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 060/244] net: bgmac: Fix a BUG triggered by wrong bytes_compl
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (58 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 059/244] net: bcmgenet: Indicate MAC is in charge of PHY PM Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 061/244] selftests: forwarding: Fix failing tests with old libnet Greg Kroah-Hartman
` (185 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sandor Bodo-Merle, Florian Fainelli,
Jakub Kicinski
From: Sandor Bodo-Merle <sbodomerle@gmail.com>
commit 1b7680c6c1f6de9904f1d9b05c952f0c64a03350 upstream.
On one of our machines we got:
kernel BUG at lib/dynamic_queue_limits.c:27!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
CPU: 0 PID: 1166 Comm: irq/41-bgmac Tainted: G W O 4.14.275-rt132 #1
Hardware name: BRCM XGS iProc
task: ee3415c0 task.stack: ee32a000
PC is at dql_completed+0x168/0x178
LR is at bgmac_poll+0x18c/0x6d8
pc : [<c03b9430>] lr : [<c04b5a18>] psr: 800a0313
sp : ee32be14 ip : 000005ea fp : 00000bd4
r10: ee558500 r9 : c0116298 r8 : 00000002
r7 : 00000000 r6 : ef128810 r5 : 01993267 r4 : 01993851
r3 : ee558000 r2 : 000070e1 r1 : 00000bd4 r0 : ee52c180
Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
Control: 12c5387d Table: 8e88c04a DAC: 00000051
Process irq/41-bgmac (pid: 1166, stack limit = 0xee32a210)
Stack: (0xee32be14 to 0xee32c000)
be00: ee558520 ee52c100 ef128810
be20: 00000000 00000002 c0116298 c04b5a18 00000000 c0a0c8c4 c0951780 00000040
be40: c0701780 ee558500 ee55d520 ef05b340 ef6f9780 ee558520 00000001 00000040
be60: ffffe000 c0a56878 ef6fa040 c0952040 0000012c c0528744 ef6f97b0 fffcfb6a
be80: c0a04104 2eda8000 c0a0c4ec c0a0d368 ee32bf44 c0153534 ee32be98 ee32be98
bea0: ee32bea0 ee32bea0 ee32bea8 ee32bea8 00000000 c01462e4 ffffe000 ef6f22a8
bec0: ffffe000 00000008 ee32bee4 c0147430 ffffe000 c094a2a8 00000003 ffffe000
bee0: c0a54528 00208040 0000000c c0a0c8c4 c0a65980 c0124d3c 00000008 ee558520
bf00: c094a23c c0a02080 00000000 c07a9910 ef136970 ef136970 ee30a440 ef136900
bf20: ee30a440 00000001 ef136900 ee30a440 c016d990 00000000 c0108db0 c012500c
bf40: ef136900 c016da14 ee30a464 ffffe000 00000001 c016dd14 00000000 c016db28
bf60: ffffe000 ee21a080 ee30a400 00000000 ee32a000 ee30a440 c016dbfc ee25fd70
bf80: ee21a09c c013edcc ee32a000 ee30a400 c013ec7c 00000000 00000000 00000000
bfa0: 00000000 00000000 00000000 c0108470 00000000 00000000 00000000 00000000
bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[<c03b9430>] (dql_completed) from [<c04b5a18>] (bgmac_poll+0x18c/0x6d8)
[<c04b5a18>] (bgmac_poll) from [<c0528744>] (net_rx_action+0x1c4/0x494)
[<c0528744>] (net_rx_action) from [<c0124d3c>] (do_current_softirqs+0x1ec/0x43c)
[<c0124d3c>] (do_current_softirqs) from [<c012500c>] (__local_bh_enable+0x80/0x98)
[<c012500c>] (__local_bh_enable) from [<c016da14>] (irq_forced_thread_fn+0x84/0x98)
[<c016da14>] (irq_forced_thread_fn) from [<c016dd14>] (irq_thread+0x118/0x1c0)
[<c016dd14>] (irq_thread) from [<c013edcc>] (kthread+0x150/0x158)
[<c013edcc>] (kthread) from [<c0108470>] (ret_from_fork+0x14/0x24)
Code: a83f15e0 0200001a 0630a0e1 c3ffffea (f201f0e7)
The issue seems similar to commit 90b3b339364c ("net: hisilicon: Fix a BUG
trigered by wrong bytes_compl") and potentially introduced by commit
b38c83dd0866 ("bgmac: simplify tx ring index handling").
If there is an RX interrupt between setting ring->end
and netdev_sent_queue() we can hit the BUG_ON as bgmac_dma_tx_free()
can miscalculate the queue size while called from bgmac_poll().
The machine which triggered the BUG runs a v4.14 RT kernel - but the issue
seems present in mainline too.
Fixes: b38c83dd0866 ("bgmac: simplify tx ring index handling")
Signed-off-by: Sandor Bodo-Merle <sbodomerle@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220808173939.193804-1-sbodomerle@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/broadcom/bgmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -189,8 +189,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru
}
slot->skb = skb;
- ring->end += nr_frags + 1;
netdev_sent_queue(net_dev, skb->len);
+ ring->end += nr_frags + 1;
wmb();
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 061/244] selftests: forwarding: Fix failing tests with old libnet
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (59 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 060/244] net: bgmac: Fix a BUG triggered by wrong bytes_compl Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 062/244] dt-bindings: arm: qcom: fix Alcatel OneTouch Idol 3 compatibles Greg Kroah-Hartman
` (184 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ivan Vecera, Ido Schimmel,
Amit Cohen, Jakub Kicinski
From: Ido Schimmel <idosch@nvidia.com>
commit 8bcfb4ae4d970b9a9724ddfbac26c387934e0e94 upstream.
The custom multipath hash tests use mausezahn in order to test how
changes in various packet fields affect the packet distribution across
the available nexthops.
The tool uses the libnet library for various low-level packet
construction and injection. The library started using the
"SO_BINDTODEVICE" socket option for IPv6 sockets in version 1.1.6 and
for IPv4 sockets in version 1.2.
When the option is not set, packets are not routed according to the
table associated with the VRF master device and tests fail.
Fix this by prefixing the command with "ip vrf exec", which will cause
the route lookup to occur in the VRF routing table. This makes the tests
pass regardless of the libnet library version.
Fixes: 511e8db54036 ("selftests: forwarding: Add test for custom multipath hash")
Fixes: 185b0c190bb6 ("selftests: forwarding: Add test for custom multipath hash with IPv4 GRE")
Fixes: b7715acba4d3 ("selftests: forwarding: Add test for custom multipath hash with IPv6 GRE")
Reported-by: Ivan Vecera <ivecera@redhat.com>
Tested-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Link: https://lore.kernel.org/r/20220809113320.751413-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../net/forwarding/custom_multipath_hash.sh | 24 ++++++++++++-------
.../forwarding/gre_custom_multipath_hash.sh | 24 ++++++++++++-------
.../ip6gre_custom_multipath_hash.sh | 24 ++++++++++++-------
3 files changed, 48 insertions(+), 24 deletions(-)
diff --git a/tools/testing/selftests/net/forwarding/custom_multipath_hash.sh b/tools/testing/selftests/net/forwarding/custom_multipath_hash.sh
index a15d21dc035a..56eb83d1a3bd 100755
--- a/tools/testing/selftests/net/forwarding/custom_multipath_hash.sh
+++ b/tools/testing/selftests/net/forwarding/custom_multipath_hash.sh
@@ -181,37 +181,43 @@ ping_ipv6()
send_src_ipv4()
{
- $MZ $h1 -q -p 64 -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_src_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
send_src_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:4::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:4::2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B "2001:db8:4::2-2001:db8:4::fd" \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B "2001:db8:4::2-2001:db8:4::fd" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
@@ -226,13 +232,15 @@ send_flowlabel()
send_src_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:4::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:4::2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:4::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:4::2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
diff --git a/tools/testing/selftests/net/forwarding/gre_custom_multipath_hash.sh b/tools/testing/selftests/net/forwarding/gre_custom_multipath_hash.sh
index a73f52efcb6c..0446db9c6f74 100755
--- a/tools/testing/selftests/net/forwarding/gre_custom_multipath_hash.sh
+++ b/tools/testing/selftests/net/forwarding/gre_custom_multipath_hash.sh
@@ -276,37 +276,43 @@ ping_ipv6()
send_src_ipv4()
{
- $MZ $h1 -q -p 64 -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_src_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
send_src_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:2::2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B "2001:db8:2::2-2001:db8:2::fd" \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B "2001:db8:2::2-2001:db8:2::fd" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
@@ -321,13 +327,15 @@ send_flowlabel()
send_src_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:2::2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:2::2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
diff --git a/tools/testing/selftests/net/forwarding/ip6gre_custom_multipath_hash.sh b/tools/testing/selftests/net/forwarding/ip6gre_custom_multipath_hash.sh
index 8fea2c2e0b25..d40183b4eccc 100755
--- a/tools/testing/selftests/net/forwarding/ip6gre_custom_multipath_hash.sh
+++ b/tools/testing/selftests/net/forwarding/ip6gre_custom_multipath_hash.sh
@@ -278,37 +278,43 @@ ping_ipv6()
send_src_ipv4()
{
- $MZ $h1 -q -p 64 -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A "198.51.100.2-198.51.100.253" -B 203.0.113.2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B "203.0.113.2-203.0.113.253" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_src_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp4()
{
- $MZ $h1 -q -p 64 -A 198.51.100.2 -B 203.0.113.2 \
+ ip vrf exec v$h1 $MZ $h1 -q -p 64 \
+ -A 198.51.100.2 -B 203.0.113.2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
send_src_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A "2001:db8:1::2-2001:db8:1::fd" -B 2001:db8:2::2 \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
send_dst_ipv6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B "2001:db8:2::2-2001:db8:2::fd" \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B "2001:db8:2::2-2001:db8:2::fd" \
-d 1msec -c 50 -t udp "sp=20000,dp=30000"
}
@@ -323,13 +329,15 @@ send_flowlabel()
send_src_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:2::2 \
-d 1msec -t udp "sp=0-32768,dp=30000"
}
send_dst_udp6()
{
- $MZ -6 $h1 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
+ ip vrf exec v$h1 $MZ -6 $h1 -q -p 64 \
+ -A 2001:db8:1::2 -B 2001:db8:2::2 \
-d 1msec -t udp "sp=20000,dp=0-32768"
}
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 062/244] dt-bindings: arm: qcom: fix Alcatel OneTouch Idol 3 compatibles
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (60 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 061/244] selftests: forwarding: Fix failing tests with old libnet Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 063/244] pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map Greg Kroah-Hartman
` (183 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Rob Herring, Krzysztof Kozlowski,
Stephan Gerhold, Bjorn Andersson
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit 944de5182f0269e72ffe0a8880c8dbeb30f473d8 upstream.
The MSM8916 Alcatel OneTouch Idol 3 does not use MTP fallbacks in
compatibles:
msm8916-alcatel-idol347.dtb: /: compatible: 'oneOf' conditional failed, one must be fixed:
['alcatel,idol347', 'qcom,msm8916'] is too short
Reported-by: Rob Herring <robh@kernel.org>
Fixes: e9dd2f7204ed ("dt-bindings: arm: qcom: Document alcatel,idol347 board")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220520123252.365762-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/arm/qcom.yaml | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -135,14 +135,13 @@ properties:
- const: qcom,msm8974
- items:
- - enum:
- - alcatel,idol347
- const: qcom,msm8916-mtp/1
- const: qcom,msm8916-mtp
- const: qcom,msm8916
- items:
- enum:
+ - alcatel,idol347
- longcheer,l8150
- samsung,a3u-eur
- samsung,a5u-eur
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 063/244] pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (61 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 062/244] dt-bindings: arm: qcom: fix Alcatel OneTouch Idol 3 compatibles Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 064/244] pinctrl: qcom: msm8916: Allow CAMSS GP clocks to be muxed Greg Kroah-Hartman
` (182 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Miaoqian Lin, Linus Walleij
From: Miaoqian Lin <linmq006@gmail.com>
commit 4b32e054335ea0ce50967f63a7bfd4db058b14b9 upstream.
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak."
Fixes: c2f6d059abfc ("pinctrl: nomadik: refactor DT parser to take two paths")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220607111602.57355-1-linmq006@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/nomadik/pinctrl-nomadik.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -1421,8 +1421,10 @@ static int nmk_pinctrl_dt_subnode_to_map
has_config = nmk_pinctrl_dt_get_config(np, &configs);
np_config = of_parse_phandle(np, "ste,config", 0);
- if (np_config)
+ if (np_config) {
has_config |= nmk_pinctrl_dt_get_config(np_config, &configs);
+ of_node_put(np_config);
+ }
if (has_config) {
const char *gpio_name;
const char *pin;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 064/244] pinctrl: qcom: msm8916: Allow CAMSS GP clocks to be muxed
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (62 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 063/244] pinctrl: nomadik: Fix refcount leak in nmk_pinctrl_dt_subnode_to_map Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 065/244] pinctrl: amd: Dont save/restore interrupt status and wake status bits Greg Kroah-Hartman
` (181 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Nikita Travkin, Linus Walleij
From: Nikita Travkin <nikita@trvn.ru>
commit 44339391c666e46cba522d19c65a6ad1071c68b7 upstream.
GPIO 31, 32 can be muxed to GCC_CAMSS_GP(1,2)_CLK respectively but the
function was never assigned to the pingroup (even though the function
exists already).
Add this mode to the related pins.
Fixes: 5373a2c5abb6 ("pinctrl: qcom: Add msm8916 pinctrl driver")
Signed-off-by: Nikita Travkin <nikita@trvn.ru>
Link: https://lore.kernel.org/r/20220612145955.385787-4-nikita@trvn.ru
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/qcom/pinctrl-msm8916.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/pinctrl/qcom/pinctrl-msm8916.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm8916.c
@@ -844,8 +844,8 @@ static const struct msm_pingroup msm8916
PINGROUP(28, pwr_modem_enabled_a, NA, NA, NA, NA, NA, qdss_tracedata_b, NA, atest_combodac),
PINGROUP(29, cci_i2c, NA, NA, NA, NA, NA, qdss_tracedata_b, NA, atest_combodac),
PINGROUP(30, cci_i2c, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
- PINGROUP(31, cci_timer0, NA, NA, NA, NA, NA, NA, NA, NA),
- PINGROUP(32, cci_timer1, NA, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(31, cci_timer0, flash_strobe, NA, NA, NA, NA, NA, NA, NA),
+ PINGROUP(32, cci_timer1, flash_strobe, NA, NA, NA, NA, NA, NA, NA),
PINGROUP(33, cci_async, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
PINGROUP(34, pwr_nav_enabled_a, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
PINGROUP(35, pwr_crypto_enabled_a, NA, NA, NA, NA, NA, NA, NA, qdss_tracedata_b),
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 065/244] pinctrl: amd: Dont save/restore interrupt status and wake status bits
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (63 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 064/244] pinctrl: qcom: msm8916: Allow CAMSS GP clocks to be muxed Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 066/244] pinctrl: sunxi: Add I/O bias setting for H6 R-PIO Greg Kroah-Hartman
` (180 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Mario Limonciello, Basavaraj Natikar,
Linus Walleij
From: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
commit b8c824a869f220c6b46df724f85794349bafbf23 upstream.
Saving/restoring interrupt and wake status bits across suspend can
cause the suspend to fail if an IRQ is serviced across the
suspend cycle.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Fixes: 79d2c8bede2c ("pinctrl/amd: save pin registers over suspend/resume")
Link: https://lore.kernel.org/r/20220613064127.220416-3-Basavaraj.Natikar@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/pinctrl-amd.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -912,6 +912,7 @@ static int amd_gpio_suspend(struct devic
{
struct amd_gpio *gpio_dev = dev_get_drvdata(dev);
struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+ unsigned long flags;
int i;
for (i = 0; i < desc->npins; i++) {
@@ -920,7 +921,9 @@ static int amd_gpio_suspend(struct devic
if (!amd_gpio_should_save(gpio_dev, pin))
continue;
- gpio_dev->saved_regs[i] = readl(gpio_dev->base + pin*4);
+ raw_spin_lock_irqsave(&gpio_dev->lock, flags);
+ gpio_dev->saved_regs[i] = readl(gpio_dev->base + pin * 4) & ~PIN_IRQ_PENDING;
+ raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
}
return 0;
@@ -930,6 +933,7 @@ static int amd_gpio_resume(struct device
{
struct amd_gpio *gpio_dev = dev_get_drvdata(dev);
struct pinctrl_desc *desc = gpio_dev->pctrl->desc;
+ unsigned long flags;
int i;
for (i = 0; i < desc->npins; i++) {
@@ -938,7 +942,10 @@ static int amd_gpio_resume(struct device
if (!amd_gpio_should_save(gpio_dev, pin))
continue;
- writel(gpio_dev->saved_regs[i], gpio_dev->base + pin*4);
+ raw_spin_lock_irqsave(&gpio_dev->lock, flags);
+ gpio_dev->saved_regs[i] |= readl(gpio_dev->base + pin * 4) & PIN_IRQ_PENDING;
+ writel(gpio_dev->saved_regs[i], gpio_dev->base + pin * 4);
+ raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
}
return 0;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 066/244] pinctrl: sunxi: Add I/O bias setting for H6 R-PIO
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (64 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 065/244] pinctrl: amd: Dont save/restore interrupt status and wake status bits Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 067/244] pinctrl: qcom: sm8250: Fix PDC map Greg Kroah-Hartman
` (179 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Jernej Skrabec, Heiko Stuebner,
Samuel Holland, Linus Walleij
From: Samuel Holland <samuel@sholland.org>
commit fc153c8f283bf5925615195fc9d4056414d7b168 upstream.
H6 requires I/O bias configuration on both of its PIO devices.
Previously it was only done for the main PIO.
The setting for Port L is at bit 0, so the bank calculation needs to
account for the pin base. Otherwise the wrong bit is used.
Fixes: cc62383fcebe ("pinctrl: sunxi: Support I/O bias voltage setting on H6")
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220713025233.27248-3-samuel@sholland.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/sunxi/pinctrl-sun50i-h6-r.c | 1 +
drivers/pinctrl/sunxi/pinctrl-sunxi.c | 7 ++++---
2 files changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/pinctrl/sunxi/pinctrl-sun50i-h6-r.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-h6-r.c
@@ -107,6 +107,7 @@ static const struct sunxi_pinctrl_desc s
.npins = ARRAY_SIZE(sun50i_h6_r_pins),
.pin_base = PL_BASE,
.irq_banks = 2,
+ .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_SEL,
};
static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev)
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -624,7 +624,7 @@ static int sunxi_pinctrl_set_io_bias_cfg
unsigned pin,
struct regulator *supply)
{
- unsigned short bank = pin / PINS_PER_BANK;
+ unsigned short bank;
unsigned long flags;
u32 val, reg;
int uV;
@@ -640,6 +640,9 @@ static int sunxi_pinctrl_set_io_bias_cfg
if (uV == 0)
return 0;
+ pin -= pctl->desc->pin_base;
+ bank = pin / PINS_PER_BANK;
+
switch (pctl->desc->io_bias_cfg_variant) {
case BIAS_VOLTAGE_GRP_CONFIG:
/*
@@ -657,8 +660,6 @@ static int sunxi_pinctrl_set_io_bias_cfg
else
val = 0xD; /* 3.3V */
- pin -= pctl->desc->pin_base;
-
reg = readl(pctl->membase + sunxi_grp_config_reg(pin));
reg &= ~IO_BIAS_MASK;
writel(reg | val, pctl->membase + sunxi_grp_config_reg(pin));
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 067/244] pinctrl: qcom: sm8250: Fix PDC map
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (65 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 066/244] pinctrl: sunxi: Add I/O bias setting for H6 R-PIO Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 068/244] Input: exc3000 - fix return value check of wait_for_completion_timeout Greg Kroah-Hartman
` (178 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Jianhua Lu, Konrad Dybcio, Linus Walleij
From: Jianhua Lu <lujianhua000@gmail.com>
commit 4b759ca15a4914f96ea204ea9200ceeb01d70666 upstream.
Fix the PDC mapping for SM8250, gpio39 is mapped to irq73(not irq37).
Fixes: b41efeed507a("pinctrl: qcom: sm8250: Specify PDC map.")
Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20220803015645.22388-1-lujianhua000@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/pinctrl/qcom/pinctrl-sm8250.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pinctrl/qcom/pinctrl-sm8250.c
+++ b/drivers/pinctrl/qcom/pinctrl-sm8250.c
@@ -1316,7 +1316,7 @@ static const struct msm_pingroup sm8250_
static const struct msm_gpio_wakeirq_map sm8250_pdc_map[] = {
{ 0, 79 }, { 1, 84 }, { 2, 80 }, { 3, 82 }, { 4, 107 }, { 7, 43 },
{ 11, 42 }, { 14, 44 }, { 15, 52 }, { 19, 67 }, { 23, 68 }, { 24, 105 },
- { 27, 92 }, { 28, 106 }, { 31, 69 }, { 35, 70 }, { 39, 37 },
+ { 27, 92 }, { 28, 106 }, { 31, 69 }, { 35, 70 }, { 39, 73 },
{ 40, 108 }, { 43, 71 }, { 45, 72 }, { 47, 83 }, { 51, 74 }, { 55, 77 },
{ 59, 78 }, { 63, 75 }, { 64, 81 }, { 65, 87 }, { 66, 88 }, { 67, 89 },
{ 68, 54 }, { 70, 85 }, { 77, 46 }, { 80, 90 }, { 81, 91 }, { 83, 97 },
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 068/244] Input: exc3000 - fix return value check of wait_for_completion_timeout
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (66 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 067/244] pinctrl: qcom: sm8250: Fix PDC map Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 069/244] um: Add missing apply_returns() Greg Kroah-Hartman
` (177 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Miaoqian Lin, Dmitry Torokhov
From: Miaoqian Lin <linmq006@gmail.com>
commit 6bb7144c3fa16a5efb54a8e2aff1817b4168018e upstream.
wait_for_completion_timeout() returns unsigned long not int.
It returns 0 if timed out, and positive if completed.
The check for <= 0 is ambiguous and should be == 0 here
indicating timeout which is the only error case.
Fixes: 102feb1ddfd0 ("Input: exc3000 - factor out vendor data request")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220411105828.22140-1-linmq006@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/input/touchscreen/exc3000.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/input/touchscreen/exc3000.c
+++ b/drivers/input/touchscreen/exc3000.c
@@ -220,6 +220,7 @@ static int exc3000_vendor_data_request(s
{
u8 buf[EXC3000_LEN_VENDOR_REQUEST] = { 0x67, 0x00, 0x42, 0x00, 0x03 };
int ret;
+ unsigned long time_left;
mutex_lock(&data->query_lock);
@@ -233,9 +234,9 @@ static int exc3000_vendor_data_request(s
goto out_unlock;
if (response) {
- ret = wait_for_completion_timeout(&data->wait_event,
- timeout * HZ);
- if (ret <= 0) {
+ time_left = wait_for_completion_timeout(&data->wait_event,
+ timeout * HZ);
+ if (time_left == 0) {
ret = -ETIMEDOUT;
goto out_unlock;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 069/244] um: Add missing apply_returns()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (67 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 068/244] Input: exc3000 - fix return value check of wait_for_completion_timeout Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 070/244] octeontx2-pf: Fix NIX_AF_TL3_TL2X_LINKX_CFG register configuration Greg Kroah-Hartman
` (176 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Peter Zijlstra (Intel), Richard Weinberger
From: Peter Zijlstra <peterz@infradead.org>
commit 637285e7f8d6da70a70c64e7895cb0672357a1f7 upstream.
Implement apply_returns() stub for UM, just like all the other patching
routines.
Fixes: 15e67227c49a ("x86: Undo return-thunk damage")
Reported-by: Randy Dunlap <rdunlap@infradead.org)
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/um/kernel/um_arch.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -437,6 +437,10 @@ void apply_returns(s32 *start, s32 *end)
{
}
+void apply_returns(s32 *start, s32 *end)
+{
+}
+
void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
{
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 070/244] octeontx2-pf: Fix NIX_AF_TL3_TL2X_LINKX_CFG register configuration
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (68 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 069/244] um: Add missing apply_returns() Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 071/244] octeontx2-af: Apply tx nibble fixup always Greg Kroah-Hartman
` (175 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Naveen Mamindlapalli,
Sunil Kovvuri Goutham, Jakub Kicinski
From: Naveen Mamindlapalli <naveenm@marvell.com>
commit 13c9f4dc102f2856e80b92486c41841e25e23772 upstream.
For packets scheduled to RPM and LBK, NIX_AF_PSE_CHANNEL_LEVEL[BP_LEVEL]
selects the TL3 or TL2 scheduling level as the one used for link/channel
selection and backpressure. For each scheduling queue at the selected
level: Setting NIX_AF_TL3_TL2(0..255)_LINK(0..12)_CFG[ENA] = 1 allows
the TL3/TL2 queue to schedule packets to a specified RPM or LBK link
and channel.
There is an issue in the code where NIX_AF_PSE_CHANNEL_LEVEL[BP_LEVEL]
is set to TL3 where as the NIX_AF_TL3_TL2(0..255)_LINK(0..12)_CFG is
configured for TL2 queue in some cases. As a result packets will not
transmit on that link/channel. This patch fixes the issue by configuring
the NIX_AF_TL3_TL2(0..255)_LINK(0..12)_CFG register depending on the
NIX_AF_PSE_CHANNEL_LEVEL[BP_LEVEL] value.
Fixes: caa2da34fd25a ("octeontx2-pf: Initialize and config queues")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Link: https://lore.kernel.org/r/20220802142813.25031-1-naveenm@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 19 +++++++++++----
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h | 1
2 files changed, 15 insertions(+), 5 deletions(-)
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -631,6 +631,12 @@ int otx2_txschq_config(struct otx2_nic *
req->num_regs++;
req->reg[1] = NIX_AF_TL3X_SCHEDULE(schq);
req->regval[1] = dwrr_val;
+ if (lvl == hw->txschq_link_cfg_lvl) {
+ req->num_regs++;
+ req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
+ /* Enable this queue and backpressure */
+ req->regval[2] = BIT_ULL(13) | BIT_ULL(12);
+ }
} else if (lvl == NIX_TXSCH_LVL_TL2) {
parent = hw->txschq_list[NIX_TXSCH_LVL_TL1][0];
req->reg[0] = NIX_AF_TL2X_PARENT(schq);
@@ -640,11 +646,12 @@ int otx2_txschq_config(struct otx2_nic *
req->reg[1] = NIX_AF_TL2X_SCHEDULE(schq);
req->regval[1] = TXSCH_TL1_DFLT_RR_PRIO << 24 | dwrr_val;
- req->num_regs++;
- req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
- /* Enable this queue and backpressure */
- req->regval[2] = BIT_ULL(13) | BIT_ULL(12);
-
+ if (lvl == hw->txschq_link_cfg_lvl) {
+ req->num_regs++;
+ req->reg[2] = NIX_AF_TL3_TL2X_LINKX_CFG(schq, hw->tx_link);
+ /* Enable this queue and backpressure */
+ req->regval[2] = BIT_ULL(13) | BIT_ULL(12);
+ }
} else if (lvl == NIX_TXSCH_LVL_TL1) {
/* Default config for TL1.
* For VF this is always ignored.
@@ -1563,6 +1570,8 @@ void mbox_handler_nix_txsch_alloc(struct
for (schq = 0; schq < rsp->schq[lvl]; schq++)
pf->hw.txschq_list[lvl][schq] =
rsp->schq_list[lvl][schq];
+
+ pf->hw.txschq_link_cfg_lvl = rsp->link_cfg_lvl;
}
EXPORT_SYMBOL(mbox_handler_nix_txsch_alloc);
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -182,6 +182,7 @@ struct otx2_hw {
u16 sqb_size;
/* NIX */
+ u8 txschq_link_cfg_lvl;
u16 txschq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
u16 matchall_ipolicer;
u32 dwrr_mtu;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 071/244] octeontx2-af: Apply tx nibble fixup always
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (69 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 070/244] octeontx2-pf: Fix NIX_AF_TL3_TL2X_LINKX_CFG register configuration Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 072/244] octeontx2-af: suppress external profile loading warning Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Stanislaw Kardach, Subbaraya Sundeep,
Sunil Goutham, Jakub Kicinski
From: Stanislaw Kardach <skardach@marvell.com>
commit dd1d1a8a6b29b6b472fd0d449b29eb806c411dd2 upstream.
NPC_PARSE_NIBBLE for TX interface has to be equal to the RX one for some
silicon revisions. Mistakenly this fixup was only applied to the default
MKEX profile while it should also be applied to any loaded profile.
Fixes: 1c1935c9945d ("octeontx2-af: Add NIX1 interfaces to NPC")
Signed-off-by: Stanislaw Kardach <skardach@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -1915,6 +1915,7 @@ static void rvu_npc_hw_init(struct rvu *
static void rvu_npc_setup_interfaces(struct rvu *rvu, int blkaddr)
{
+ struct npc_mcam_kex *mkex = rvu->kpu.mkex;
struct npc_mcam *mcam = &rvu->hw->mcam;
struct rvu_hwinfo *hw = rvu->hw;
u64 nibble_ena, rx_kex, tx_kex;
@@ -1927,15 +1928,15 @@ static void rvu_npc_setup_interfaces(str
mcam->counters.max--;
mcam->rx_miss_act_cntr = mcam->counters.max;
- rx_kex = npc_mkex_default.keyx_cfg[NIX_INTF_RX];
- tx_kex = npc_mkex_default.keyx_cfg[NIX_INTF_TX];
+ rx_kex = mkex->keyx_cfg[NIX_INTF_RX];
+ tx_kex = mkex->keyx_cfg[NIX_INTF_TX];
nibble_ena = FIELD_GET(NPC_PARSE_NIBBLE, rx_kex);
nibble_ena = rvu_npc_get_tx_nibble_cfg(rvu, nibble_ena);
if (nibble_ena) {
tx_kex &= ~NPC_PARSE_NIBBLE;
tx_kex |= FIELD_PREP(NPC_PARSE_NIBBLE, nibble_ena);
- npc_mkex_default.keyx_cfg[NIX_INTF_TX] = tx_kex;
+ mkex->keyx_cfg[NIX_INTF_TX] = tx_kex;
}
/* Configure RX interfaces */
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 072/244] octeontx2-af: suppress external profile loading warning
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (70 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 071/244] octeontx2-af: Apply tx nibble fixup always Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 073/244] octeontx2-af: Fix mcam entry resource leak Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Harman Kalra, Subbaraya Sundeep,
Sunil Goutham, Jakub Kicinski
From: Harman Kalra <hkalra@marvell.com>
commit cf2437626502b5271d19686b03dea306efe17ea0 upstream.
The packet parser profile supplied as firmware may not
be present all the time and default profile is used mostly.
Hence suppress firmware loading warning from kernel due to
absence of firmware in kernel image.
Fixes: 3a7244152f9c ("octeontx2-af: add support for custom KPU entries")
Signed-off-by: Harman Kalra <hkalra@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -1650,7 +1650,7 @@ static void npc_load_kpu_profile(struct
* Firmware database method.
* Default KPU profile.
*/
- if (!request_firmware(&fw, kpu_profile, rvu->dev)) {
+ if (!request_firmware_direct(&fw, kpu_profile, rvu->dev)) {
dev_info(rvu->dev, "Loading KPU profile from firmware: %s\n",
kpu_profile);
rvu->kpu_fwdata = kzalloc(fw->size, GFP_KERNEL);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 073/244] octeontx2-af: Fix mcam entry resource leak
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (71 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 072/244] octeontx2-af: suppress external profile loading warning Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 074/244] octeontx2-af: Fix key checking for source mac Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Subbaraya Sundeep, Sunil Goutham,
Jakub Kicinski
From: Subbaraya Sundeep <sbhatta@marvell.com>
commit 3f8fe40ab7730cf8eb6f8b8ff412012f7f6f8f48 upstream.
The teardown sequence in FLR handler returns if no NIX LF
is attached to PF/VF because it indicates that graceful
shutdown of resources already happened. But there is a
chance of all allocated MCAM entries not being freed by
PF/VF. Hence free mcam entries even in case of detached LF.
Fixes: c554f9c1574e ("octeontx2-af: Teardown NPA, NIX LF upon receiving FLR")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 6 ++++++
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c | 6 ++++++
2 files changed, 12 insertions(+)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -2504,6 +2504,12 @@ static void __rvu_flr_handler(struct rvu
rvu_blklf_teardown(rvu, pcifunc, BLKADDR_NPA);
rvu_reset_lmt_map_tbl(rvu, pcifunc);
rvu_detach_rsrcs(rvu, NULL, pcifunc);
+ /* In scenarios where PF/VF drivers detach NIXLF without freeing MCAM
+ * entries, check and free the MCAM entries explicitly to avoid leak.
+ * Since LF is detached use LF number as -1.
+ */
+ rvu_npc_free_mcam_entries(rvu, pcifunc, -1);
+
mutex_unlock(&rvu->flr_lock);
}
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -1096,6 +1096,9 @@ static void npc_enadis_default_entries(s
void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf)
{
+ if (nixlf < 0)
+ return;
+
npc_enadis_default_entries(rvu, pcifunc, nixlf, false);
/* Delete multicast and promisc MCAM entries */
@@ -1107,6 +1110,9 @@ void rvu_npc_disable_default_entries(str
void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf)
{
+ if (nixlf < 0)
+ return;
+
/* Enables only broadcast match entry. Promisc/Allmulti are enabled
* in set_rx_mode mbox handler.
*/
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 074/244] octeontx2-af: Fix key checking for source mac
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (72 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 073/244] octeontx2-af: Fix mcam entry resource leak Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 075/244] ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool Greg Kroah-Hartman
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245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Subbaraya Sundeep, Sunil Goutham,
Jakub Kicinski
From: Subbaraya Sundeep <sbhatta@marvell.com>
commit c3c290276927a3ae79342a4e17ec0500c138c63a upstream.
Given a field with its location/offset in input packet,
the key checking logic verifies whether extracting the
field can be supported or not based on the mkex profile
loaded in hardware. This logic is wrong wrt source mac
and this patch fixes that.
Fixes: 9b179a960a96 ("octeontx2-af: Generate key field bit mask from KEX profile")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -445,7 +445,8 @@ do { \
NPC_SCAN_HDR(NPC_VLAN_TAG1, NPC_LID_LB, NPC_LT_LB_CTAG, 2, 2);
NPC_SCAN_HDR(NPC_VLAN_TAG2, NPC_LID_LB, NPC_LT_LB_STAG_QINQ, 2, 2);
NPC_SCAN_HDR(NPC_DMAC, NPC_LID_LA, la_ltype, la_start, 6);
- NPC_SCAN_HDR(NPC_SMAC, NPC_LID_LA, la_ltype, la_start, 6);
+ /* SMAC follows the DMAC(which is 6 bytes) */
+ NPC_SCAN_HDR(NPC_SMAC, NPC_LID_LA, la_ltype, la_start + 6, 6);
/* PF_FUNC is 2 bytes at 0th byte of NPC_LT_LA_IH_NIX_ETHER */
NPC_SCAN_HDR(NPC_PF_FUNC, NPC_LID_LA, NPC_LT_LA_IH_NIX_ETHER, 0, 2);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 075/244] ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (73 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 074/244] octeontx2-af: Fix key checking for source mac Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 076/244] geneve: do not use RT_TOS for IPv6 flowlabel Greg Kroah-Hartman
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245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sakari Ailus, Andy Shevchenko,
Rafael J. Wysocki
From: Sakari Ailus <sakari.ailus@linux.intel.com>
commit 85140ef275f577f64e8a2c5789447222dfc14fc4 upstream.
The value acpi_add_nondev_subnodes() returns is bool so change the return
type of the function to match that.
Fixes: 445b0eb058f5 ("ACPI / property: Add support for data-only subnodes")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/acpi/property.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -155,10 +155,10 @@ static bool acpi_nondev_subnode_ok(acpi_
return acpi_nondev_subnode_data_ok(handle, link, list, parent);
}
-static int acpi_add_nondev_subnodes(acpi_handle scope,
- const union acpi_object *links,
- struct list_head *list,
- struct fwnode_handle *parent)
+static bool acpi_add_nondev_subnodes(acpi_handle scope,
+ const union acpi_object *links,
+ struct list_head *list,
+ struct fwnode_handle *parent)
{
bool ret = false;
int i;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 076/244] geneve: do not use RT_TOS for IPv6 flowlabel
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
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@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 077/244] mlx5: " Greg Kroah-Hartman
` (169 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guillaume Nault, Matthias May,
Jakub Kicinski
From: Matthias May <matthias.may@westermo.com>
commit ca2bb69514a8bc7f83914122f0d596371352416c upstream.
According to Guillaume Nault RT_TOS should never be used for IPv6.
Quote:
RT_TOS() is an old macro used to interprete IPv4 TOS as described in
the obsolete RFC 1349. It's conceptually wrong to use it even in IPv4
code, although, given the current state of the code, most of the
existing calls have no consequence.
But using RT_TOS() in IPv6 code is always a bug: IPv6 never had a "TOS"
field to be interpreted the RFC 1349 way. There's no historical
compatibility to worry about.
Fixes: 3a56f86f1be6 ("geneve: handle ipv6 priority like ipv4 tos")
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Matthias May <matthias.may@westermo.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/geneve.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -852,8 +852,7 @@ static struct dst_entry *geneve_get_v6_d
use_cache = false;
}
- fl6->flowlabel = ip6_make_flowinfo(RT_TOS(prio),
- info->key.label);
+ fl6->flowlabel = ip6_make_flowinfo(prio, info->key.label);
dst_cache = (struct dst_cache *)&info->dst_cache;
if (use_cache) {
dst = dst_cache_get_ip6(dst_cache, &fl6->saddr);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 077/244] mlx5: do not use RT_TOS for IPv6 flowlabel
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (75 preceding siblings ...)
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@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 078/244] ipv6: " Greg Kroah-Hartman
` (168 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guillaume Nault, Matthias May,
Jakub Kicinski
From: Matthias May <matthias.may@westermo.com>
commit bcb0da7fffee9464073998b267ce5543da2356d2 upstream.
According to Guillaume Nault RT_TOS should never be used for IPv6.
Quote:
RT_TOS() is an old macro used to interprete IPv4 TOS as described in
the obsolete RFC 1349. It's conceptually wrong to use it even in IPv4
code, although, given the current state of the code, most of the
existing calls have no consequence.
But using RT_TOS() in IPv6 code is always a bug: IPv6 never had a "TOS"
field to be interpreted the RFC 1349 way. There's no historical
compatibility to worry about.
Fixes: ce99f6b97fcd ("net/mlx5e: Support SRIOV TC encapsulation offloads for IPv6 tunnels")
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Matthias May <matthias.may@westermo.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -497,7 +497,7 @@ int mlx5e_tc_tun_create_header_ipv6(stru
int err;
attr.ttl = tun_key->ttl;
- attr.fl.fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label);
+ attr.fl.fl6.flowlabel = ip6_make_flowinfo(tun_key->tos, tun_key->label);
attr.fl.fl6.daddr = tun_key->u.ipv6.dst;
attr.fl.fl6.saddr = tun_key->u.ipv6.src;
@@ -611,7 +611,7 @@ int mlx5e_tc_tun_update_header_ipv6(stru
attr.ttl = tun_key->ttl;
- attr.fl.fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label);
+ attr.fl.fl6.flowlabel = ip6_make_flowinfo(tun_key->tos, tun_key->label);
attr.fl.fl6.daddr = tun_key->u.ipv6.dst;
attr.fl.fl6.saddr = tun_key->u.ipv6.src;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 078/244] ipv6: do not use RT_TOS for IPv6 flowlabel
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (76 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 077/244] mlx5: " Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 079/244] plip: avoid rcu debug splat Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guillaume Nault, Matthias May,
Jakub Kicinski
From: Matthias May <matthias.may@westermo.com>
commit ab7e2e0dfa5d37540ab1dc5376e9a2cb9188925d upstream.
According to Guillaume Nault RT_TOS should never be used for IPv6.
Quote:
RT_TOS() is an old macro used to interprete IPv4 TOS as described in
the obsolete RFC 1349. It's conceptually wrong to use it even in IPv4
code, although, given the current state of the code, most of the
existing calls have no consequence.
But using RT_TOS() in IPv6 code is always a bug: IPv6 never had a "TOS"
field to be interpreted the RFC 1349 way. There's no historical
compatibility to worry about.
Fixes: 571912c69f0e ("net: UDP tunnel encapsulation module for tunnelling different protocols like MPLS, IP, NSH etc.")
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Matthias May <matthias.may@westermo.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv6/ip6_output.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1289,8 +1289,7 @@ struct dst_entry *ip6_dst_lookup_tunnel(
fl6.daddr = info->key.u.ipv6.dst;
fl6.saddr = info->key.u.ipv6.src;
prio = info->key.tos;
- fl6.flowlabel = ip6_make_flowinfo(RT_TOS(prio),
- info->key.label);
+ fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label);
dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6,
NULL);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 079/244] plip: avoid rcu debug splat
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (77 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 078/244] ipv6: " Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:23 ` [PATCH 5.15 080/244] vsock: Fix memory leak in vsock_connect() Greg Kroah-Hartman
` (166 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, kernel test robot, Florian Westphal,
Jakub Kicinski
From: Florian Westphal <fw@strlen.de>
commit bc3c8fe3c79bcdae4d90e3726054fac5cca8ac32 upstream.
WARNING: suspicious RCU usage
5.2.0-rc2-00605-g2638eb8b50cfc #1 Not tainted
drivers/net/plip/plip.c:1110 suspicious rcu_dereference_check() usage!
plip_open is called with RTNL held, switch to the correct helper.
Fixes: 2638eb8b50cf ("net: ipv4: provide __rcu annotation for ifa_list")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20220807115304.13257-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/plip/plip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/plip/plip.c
+++ b/drivers/net/plip/plip.c
@@ -1107,7 +1107,7 @@ plip_open(struct net_device *dev)
/* Any address will do - we take the first. We already
have the first two bytes filled with 0xfc, from
plip_init_dev(). */
- const struct in_ifaddr *ifa = rcu_dereference(in_dev->ifa_list);
+ const struct in_ifaddr *ifa = rtnl_dereference(in_dev->ifa_list);
if (ifa != NULL) {
memcpy(dev->dev_addr+2, &ifa->ifa_local, 4);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 080/244] vsock: Fix memory leak in vsock_connect()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (78 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 079/244] plip: avoid rcu debug splat Greg Kroah-Hartman
@ 2022-08-23 8:23 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 081/244] vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout() Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:23 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Stefano Garzarella, Peilin Ye,
David S. Miller, syzbot+b03f55bf128f9a38f064
From: Peilin Ye <peilin.ye@bytedance.com>
commit 7e97cfed9929eaabc41829c395eb0d1350fccb9d upstream.
An O_NONBLOCK vsock_connect() request may try to reschedule
@connect_work. Imagine the following sequence of vsock_connect()
requests:
1. The 1st, non-blocking request schedules @connect_work, which will
expire after 200 jiffies. Socket state is now SS_CONNECTING;
2. Later, the 2nd, blocking request gets interrupted by a signal after
a few jiffies while waiting for the connection to be established.
Socket state is back to SS_UNCONNECTED, but @connect_work is still
pending, and will expire after 100 jiffies.
3. Now, the 3rd, non-blocking request tries to schedule @connect_work
again. Since @connect_work is already scheduled,
schedule_delayed_work() silently returns. sock_hold() is called
twice, but sock_put() will only be called once in
vsock_connect_timeout(), causing a memory leak reported by syzbot:
BUG: memory leak
unreferenced object 0xffff88810ea56a40 (size 1232):
comm "syz-executor756", pid 3604, jiffies 4294947681 (age 12.350s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
28 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 (..@............
backtrace:
[<ffffffff837c830e>] sk_prot_alloc+0x3e/0x1b0 net/core/sock.c:1930
[<ffffffff837cbe22>] sk_alloc+0x32/0x2e0 net/core/sock.c:1989
[<ffffffff842ccf68>] __vsock_create.constprop.0+0x38/0x320 net/vmw_vsock/af_vsock.c:734
[<ffffffff842ce8f1>] vsock_create+0xc1/0x2d0 net/vmw_vsock/af_vsock.c:2203
[<ffffffff837c0cbb>] __sock_create+0x1ab/0x2b0 net/socket.c:1468
[<ffffffff837c3acf>] sock_create net/socket.c:1519 [inline]
[<ffffffff837c3acf>] __sys_socket+0x6f/0x140 net/socket.c:1561
[<ffffffff837c3bba>] __do_sys_socket net/socket.c:1570 [inline]
[<ffffffff837c3bba>] __se_sys_socket net/socket.c:1568 [inline]
[<ffffffff837c3bba>] __x64_sys_socket+0x1a/0x20 net/socket.c:1568
[<ffffffff84512815>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
[<ffffffff84512815>] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
[<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae
<...>
Use mod_delayed_work() instead: if @connect_work is already scheduled,
reschedule it, and undo sock_hold() to keep the reference count
balanced.
Reported-and-tested-by: syzbot+b03f55bf128f9a38f064@syzkaller.appspotmail.com
Fixes: d021c344051a ("VSOCK: Introduce VM Sockets")
Co-developed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/vmw_vsock/af_vsock.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1390,7 +1390,14 @@ static int vsock_connect(struct socket *
* timeout fires.
*/
sock_hold(sk);
- schedule_delayed_work(&vsk->connect_work, timeout);
+
+ /* If the timeout function is already scheduled,
+ * reschedule it, then ungrab the socket refcount to
+ * keep it balanced.
+ */
+ if (mod_delayed_work(system_wq, &vsk->connect_work,
+ timeout))
+ sock_put(sk);
/* Skip ahead to preserve error code set above. */
goto out_wait;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 081/244] vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (79 preceding siblings ...)
2022-08-23 8:23 ` [PATCH 5.15 080/244] vsock: Fix memory leak in vsock_connect() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 082/244] dt-bindings: gpio: zynq: Add missing compatible strings Greg Kroah-Hartman
` (164 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Stefano Garzarella, Peilin Ye,
David S. Miller
From: Peilin Ye <peilin.ye@bytedance.com>
commit a3e7b29e30854ed67be0d17687e744ad0c769c4b upstream.
Imagine two non-blocking vsock_connect() requests on the same socket.
The first request schedules @connect_work, and after it times out,
vsock_connect_timeout() sets *sock* state back to TCP_CLOSE, but keeps
*socket* state as SS_CONNECTING.
Later, the second request returns -EALREADY, meaning the socket "already
has a pending connection in progress", even though the first request has
already timed out.
As suggested by Stefano, fix it by setting *socket* state back to
SS_UNCONNECTED, so that the second request will return -ETIMEDOUT.
Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
Fixes: d021c344051a ("VSOCK: Introduce VM Sockets")
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/vmw_vsock/af_vsock.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1285,6 +1285,7 @@ static void vsock_connect_timeout(struct
if (sk->sk_state == TCP_SYN_SENT &&
(sk->sk_shutdown != SHUTDOWN_MASK)) {
sk->sk_state = TCP_CLOSE;
+ sk->sk_socket->state = SS_UNCONNECTED;
sk->sk_err = ETIMEDOUT;
sk_error_report(sk);
vsock_transport_cancel_pkt(vsk);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 082/244] dt-bindings: gpio: zynq: Add missing compatible strings
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (80 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 081/244] vsock: Set socket state back to SS_UNCONNECTED in vsock_connect_timeout() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 083/244] dt-bindings: arm: qcom: fix Longcheer L8150 compatibles Greg Kroah-Hartman
` (163 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Michal Simek, Linus Walleij,
Rob Herring, Michal Simek
From: Michal Simek <michal.simek@xilinx.com>
commit 7668048e5c697a9493ffc0e6001c322b2efe90ae upstream.
"xlnx,zynqmp-gpio-1.0", "xlnx,versal-gpio-1.0" and "xlnx,pmc-gpio-1.0"
compatible strings were not moved to yaml format. But they were in origin
text file.
Fixes: 45ca16072b70 ("dt-bindings: gpio: zynq: convert bindings to YAML")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/72c973da5670b5ae81d050c582948894ee4174f8.1634206453.git.michal.simek@xilinx.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/gpio/gpio-zynq.yaml | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index 378da2649e66..980f92ad9eba 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
@@ -11,7 +11,11 @@ maintainers:
properties:
compatible:
- const: xlnx,zynq-gpio-1.0
+ enum:
+ - xlnx,zynq-gpio-1.0
+ - xlnx,zynqmp-gpio-1.0
+ - xlnx,versal-gpio-1.0
+ - xlnx,pmc-gpio-1.0
reg:
maxItems: 1
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 083/244] dt-bindings: arm: qcom: fix Longcheer L8150 compatibles
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (81 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 082/244] dt-bindings: gpio: zynq: Add missing compatible strings Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 084/244] dt-bindings: arm: qcom: fix MSM8916 MTP compatibles Greg Kroah-Hartman
` (162 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krzysztof Kozlowski, Rob Herring,
Stephan Gerhold, Bjorn Andersson
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit 25d203d0751ca191301bc578ba5d59fa401f1fbf upstream.
The MSM8916 Longcheer L8150 uses a fallback in compatible:
msm8916-longcheer-l8150.dtb: /: compatible: 'oneOf' conditional failed, one must be fixed:
['longcheer,l8150', 'qcom,msm8916-v1-qrd/9-v1', 'qcom,msm8916'] is too long
Fixes: b72160fa886d ("dt-bindings: qcom: Document bindings for new MSM8916 devices")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220520123252.365762-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/arm/qcom.yaml | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -142,12 +142,16 @@ properties:
- items:
- enum:
- alcatel,idol347
- - longcheer,l8150
- samsung,a3u-eur
- samsung,a5u-eur
- const: qcom,msm8916
- items:
+ - const: longcheer,l8150
+ - const: qcom,msm8916-v1-qrd/9-v1
+ - const: qcom,msm8916
+
+ - items:
- enum:
- sony,karin_windy
- sony,karin-row
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 084/244] dt-bindings: arm: qcom: fix MSM8916 MTP compatibles
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (82 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 083/244] dt-bindings: arm: qcom: fix Longcheer L8150 compatibles Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 085/244] dt-bindings: arm: qcom: fix MSM8994 boards compatibles Greg Kroah-Hartman
` (161 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krzysztof Kozlowski, Rob Herring,
Bjorn Andersson
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit bb35fe1efbae4114bd288fae0f56070f563adcfc upstream.
The order of compatibles for MSM8916 MTP board is different:
msm8916-mtp.dtb: /: compatible: 'oneOf' conditional failed, one must be fixed:
['qcom,msm8916-mtp', 'qcom,msm8916-mtp/1', 'qcom,msm8916'] is too long
Fixes: 9d3ef77fe568 ("dt-bindings: arm: Convert QCom board/soc bindings to json-schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220520123252.365762-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/arm/qcom.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -135,8 +135,8 @@ properties:
- const: qcom,msm8974
- items:
- - const: qcom,msm8916-mtp/1
- const: qcom,msm8916-mtp
+ - const: qcom,msm8916-mtp/1
- const: qcom,msm8916
- items:
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 085/244] dt-bindings: arm: qcom: fix MSM8994 boards compatibles
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (83 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 084/244] dt-bindings: arm: qcom: fix MSM8916 MTP compatibles Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 086/244] dt-bindings: clock: qcom,gcc-msm8996: add more GCC clock sources Greg Kroah-Hartman
` (160 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krzysztof Kozlowski, Rob Herring,
Bjorn Andersson
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit c704bd373f58a84193eebe40bd271d6b73c138b0 upstream.
The compatibles for APQ8094/MSM8994 boards are different than specified
in bindings. None of them use fallback to other SoC variant.
Fixes: 9ad3c08f6f1b ("dt-bindings: arm: qcom: Document sony boards for apq8094")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220520123252.365762-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/arm/qcom.yaml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -154,12 +154,15 @@ properties:
- items:
- enum:
- sony,karin_windy
+ - const: qcom,apq8094
+
+ - items:
+ - enum:
- sony,karin-row
- sony,satsuki-row
- sony,sumire-row
- sony,suzuran-row
- - qcom,msm8994
- - const: qcom,apq8094
+ - const: qcom,msm8994
- items:
- const: qcom,msm8996-mtp
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 086/244] dt-bindings: clock: qcom,gcc-msm8996: add more GCC clock sources
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (84 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 085/244] dt-bindings: arm: qcom: fix MSM8994 boards compatibles Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 087/244] spi: dt-bindings: cadence: add missing required Greg Kroah-Hartman
` (159 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dmitry Baryshkov,
Krzysztof Kozlowski, Bjorn Andersson
From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
commit 2b4e75a7a7c8d3531a40ebb103b92f88ff693f79 upstream.
Add additional GCC clock sources. This includes PCIe and USB PIPE and
UFS symbol clocks.
Fixes: 2a8aa18c1131 ("dt-bindings: clk: qcom: Fix self-validation, split, and clean cruft")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220620071936.1558906-2-dmitry.baryshkov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml | 16 ++++++++++
1 file changed, 16 insertions(+)
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml
@@ -22,16 +22,32 @@ properties:
const: qcom,gcc-msm8996
clocks:
+ minItems: 3
items:
- description: XO source
- description: Second XO source
- description: Sleep clock source
+ - description: PCIe 0 PIPE clock (optional)
+ - description: PCIe 1 PIPE clock (optional)
+ - description: PCIe 2 PIPE clock (optional)
+ - description: USB3 PIPE clock (optional)
+ - description: UFS RX symbol 0 clock (optional)
+ - description: UFS RX symbol 1 clock (optional)
+ - description: UFS TX symbol 0 clock (optional)
clock-names:
+ minItems: 3
items:
- const: cxo
- const: cxo2
- const: sleep_clk
+ - const: pcie_0_pipe_clk_src
+ - const: pcie_1_pipe_clk_src
+ - const: pcie_2_pipe_clk_src
+ - const: usb3_phy_pipe_clk_src
+ - const: ufs_rx_symbol_0_clk_src
+ - const: ufs_rx_symbol_1_clk_src
+ - const: ufs_tx_symbol_0_clk_src
'#clock-cells':
const: 1
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 087/244] spi: dt-bindings: cadence: add missing required
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` (85 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 086/244] dt-bindings: clock: qcom,gcc-msm8996: add more GCC clock sources Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 088/244] spi: dt-bindings: zynqmp-qspi: " Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krzysztof Kozlowski, Michal Simek,
Mark Brown
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit 6eee27c598fde65988723b785a9c9192d5ffb93a upstream.
During the conversion the bindings lost list of required properties.
Fixes: aa7968682a2b ("spi: convert Cadence SPI bindings to YAML")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20220704130618.199231-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/spi/spi-cadence.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
index 9787be21318e..82d0ca5c00f3 100644
--- a/Documentation/devicetree/bindings/spi/spi-cadence.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
@@ -49,6 +49,13 @@ properties:
enum: [ 0, 1 ]
default: 0
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-names
+ - clocks
+
unevaluatedProperties: false
examples:
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 088/244] spi: dt-bindings: zynqmp-qspi: add missing required
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (86 preceding siblings ...)
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@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 089/244] ceph: use correct index when encoding client supported features Greg Kroah-Hartman
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245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Krzysztof Kozlowski, Michal Simek,
Mark Brown
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
commit acfc34f008c3e66bbcb7b9162c80c8327b6e800f upstream.
During the conversion the bindings lost list of required properties.
Fixes: c58db2abb19f ("spi: convert Xilinx Zynq UltraScale+ MPSoC GQSPI bindings to YAML")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20220704130618.199231-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
index ea72c8001256..fafde1c06be6 100644
--- a/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-zynqmp-qspi.yaml
@@ -30,6 +30,13 @@ properties:
clocks:
maxItems: 2
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-names
+ - clocks
+
unevaluatedProperties: false
examples:
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 089/244] ceph: use correct index when encoding client supported features
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` (87 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 088/244] spi: dt-bindings: zynqmp-qspi: " Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 090/244] tools/vm/slabinfo: use alphabetic order when two values are equal Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Luís Henriques, Jeff Layton,
Xiubo Li, Ilya Dryomov
From: Luís Henriques <lhenriques@suse.de>
commit fea013e020e6ecc7be75bea0d61697b7e916b44d upstream.
Feature bits have to be encoded into the correct locations. This hasn't
been an issue so far because the only hole in the feature bits was in bit
10 (CEPHFS_FEATURE_RECLAIM_CLIENT), which is located in the 2nd byte. When
adding more bits that go beyond the this 2nd byte, the bug will show up.
[xiubli: remove incorrect comment for CEPHFS_FEATURES_CLIENT_SUPPORTED]
Fixes: 9ba1e224538a ("ceph: allocate the correct amount of extra bytes for the session features")
Signed-off-by: Luís Henriques <lhenriques@suse.de>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ceph/mds_client.c | 7 +++++--
fs/ceph/mds_client.h | 6 ------
2 files changed, 5 insertions(+), 8 deletions(-)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1196,14 +1196,17 @@ static int encode_supported_features(voi
if (count > 0) {
size_t i;
size_t size = FEATURE_BYTES(count);
+ unsigned long bit;
if (WARN_ON_ONCE(*p + 4 + size > end))
return -ERANGE;
ceph_encode_32(p, size);
memset(*p, 0, size);
- for (i = 0; i < count; i++)
- ((unsigned char*)(*p))[i / 8] |= BIT(feature_bits[i] % 8);
+ for (i = 0; i < count; i++) {
+ bit = feature_bits[i];
+ ((unsigned char *)(*p))[bit / 8] |= BIT(bit % 8);
+ }
*p += size;
} else {
if (WARN_ON_ONCE(*p + 4 > end))
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -33,10 +33,6 @@ enum ceph_feature_type {
CEPHFS_FEATURE_MAX = CEPHFS_FEATURE_METRIC_COLLECT,
};
-/*
- * This will always have the highest feature bit value
- * as the last element of the array.
- */
#define CEPHFS_FEATURES_CLIENT_SUPPORTED { \
0, 1, 2, 3, 4, 5, 6, 7, \
CEPHFS_FEATURE_MIMIC, \
@@ -45,8 +41,6 @@ enum ceph_feature_type {
CEPHFS_FEATURE_MULTI_RECONNECT, \
CEPHFS_FEATURE_DELEG_INO, \
CEPHFS_FEATURE_METRIC_COLLECT, \
- \
- CEPHFS_FEATURE_MAX, \
}
#define CEPHFS_FEATURES_CLIENT_REQUIRED {}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 090/244] tools/vm/slabinfo: use alphabetic order when two values are equal
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (88 preceding siblings ...)
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@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 091/244] ceph: dont leak snap_rwsem in handle_cap_grant Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yuanzheng Song, Tobin C. Harding,
Andrew Morton
From: Yuanzheng Song <songyuanzheng@huawei.com>
commit 4f5ceb8851f0081af54313abbf56de1615911faf upstream.
When the number of partial slabs in each cache is the same (e.g., the
value are 0), the results of the `slabinfo -X -N5` and `slabinfo -P -N5`
are different.
/ # slabinfo -X -N5
...
Slabs sorted by number of partial slabs
---------------------------------------
Name Objects Objsize Space Slabs/Part/Cpu O/S O %Fr %Ef Flg
inode_cache 15180 392 6217728 758/0/1 20 1 0 95 a
kernfs_node_cache 22494 88 2002944 488/0/1 46 0 0 98
shmem_inode_cache 663 464 319488 38/0/1 17 1 0 96
biovec-max 50 3072 163840 4/0/1 10 3 0 93 A
dentry 19050 136 2600960 633/0/2 30 0 0 99 a
/ # slabinfo -P -N5
Name Objects Objsize Space Slabs/Part/Cpu O/S O %Fr %Ef Flg
bdev_cache 32 984 32.7K 1/0/1 16 2 0 96 Aa
ext4_inode_cache 42 752 32.7K 1/0/1 21 2 0 96 a
dentry 19050 136 2.6M 633/0/2 30 0 0 99 a
TCPv6 17 1840 32.7K 0/0/1 17 3 0 95 A
RAWv6 18 856 16.3K 0/0/1 18 2 0 94 A
This problem is caused by the sort_slabs(). So let's use alphabetic order
when two values are equal in the sort_slabs().
By the way, the content of the `slabinfo -h` is not aligned because the
`-P|--partial Sort by number of partial slabs`
uses tabs instead of spaces. So let's use spaces instead of tabs to fix
it.
Link: https://lkml.kernel.org/r/20220528063117.935158-1-songyuanzheng@huawei.com
Fixes: 1106b205a3fe ("tools/vm/slabinfo: add partial slab listing to -X")
Signed-off-by: Yuanzheng Song <songyuanzheng@huawei.com>
Cc: "Tobin C. Harding" <tobin@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/vm/slabinfo.c | 32 ++++++++++++++++++++++----------
1 file changed, 22 insertions(+), 10 deletions(-)
--- a/tools/vm/slabinfo.c
+++ b/tools/vm/slabinfo.c
@@ -125,7 +125,7 @@ static void usage(void)
"-n|--numa Show NUMA information\n"
"-N|--lines=K Show the first K slabs\n"
"-o|--ops Show kmem_cache_ops\n"
- "-P|--partial Sort by number of partial slabs\n"
+ "-P|--partial Sort by number of partial slabs\n"
"-r|--report Detailed report on single slabs\n"
"-s|--shrink Shrink slabs\n"
"-S|--Size Sort by size\n"
@@ -1067,15 +1067,27 @@ static void sort_slabs(void)
for (s2 = s1 + 1; s2 < slabinfo + slabs; s2++) {
int result;
- if (sort_size)
- result = slab_size(s1) < slab_size(s2);
- else if (sort_active)
- result = slab_activity(s1) < slab_activity(s2);
- else if (sort_loss)
- result = slab_waste(s1) < slab_waste(s2);
- else if (sort_partial)
- result = s1->partial < s2->partial;
- else
+ if (sort_size) {
+ if (slab_size(s1) == slab_size(s2))
+ result = strcasecmp(s1->name, s2->name);
+ else
+ result = slab_size(s1) < slab_size(s2);
+ } else if (sort_active) {
+ if (slab_activity(s1) == slab_activity(s2))
+ result = strcasecmp(s1->name, s2->name);
+ else
+ result = slab_activity(s1) < slab_activity(s2);
+ } else if (sort_loss) {
+ if (slab_waste(s1) == slab_waste(s2))
+ result = strcasecmp(s1->name, s2->name);
+ else
+ result = slab_waste(s1) < slab_waste(s2);
+ } else if (sort_partial) {
+ if (s1->partial == s2->partial)
+ result = strcasecmp(s1->name, s2->name);
+ else
+ result = s1->partial < s2->partial;
+ } else
result = strcasecmp(s1->name, s2->name);
if (show_inverted)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 091/244] ceph: dont leak snap_rwsem in handle_cap_grant
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2022-08-23 8:24 ` [PATCH 5.15 090/244] tools/vm/slabinfo: use alphabetic order when two values are equal Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 092/244] kbuild: dummy-tools: avoid tmpdir leak in dummy gcc Greg Kroah-Hartman
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Jeff Layton, Luís Henriques,
Ilya Dryomov
From: Jeff Layton <jlayton@kernel.org>
commit 58dd4385577ed7969b80cdc9e2a31575aba6c712 upstream.
When handle_cap_grant is called on an IMPORT op, then the snap_rwsem is
held and the function is expected to release it before returning. It
currently fails to do that in all cases which could lead to a deadlock.
Fixes: 6f05b30ea063 ("ceph: reset i_requested_max_size if file write is not wanted")
Link: https://tracker.ceph.com/issues/55857
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Luís Henriques <lhenriques@suse.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ceph/caps.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3543,24 +3543,23 @@ static void handle_cap_grant(struct inod
fill_inline = true;
}
- if (ci->i_auth_cap == cap &&
- le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT) {
- if (newcaps & ~extra_info->issued)
- wake = true;
+ if (le32_to_cpu(grant->op) == CEPH_CAP_OP_IMPORT) {
+ if (ci->i_auth_cap == cap) {
+ if (newcaps & ~extra_info->issued)
+ wake = true;
- if (ci->i_requested_max_size > max_size ||
- !(le32_to_cpu(grant->wanted) & CEPH_CAP_ANY_FILE_WR)) {
- /* re-request max_size if necessary */
- ci->i_requested_max_size = 0;
- wake = true;
- }
+ if (ci->i_requested_max_size > max_size ||
+ !(le32_to_cpu(grant->wanted) & CEPH_CAP_ANY_FILE_WR)) {
+ /* re-request max_size if necessary */
+ ci->i_requested_max_size = 0;
+ wake = true;
+ }
- ceph_kick_flushing_inode_caps(session, ci);
- spin_unlock(&ci->i_ceph_lock);
+ ceph_kick_flushing_inode_caps(session, ci);
+ }
up_read(&session->s_mdsc->snap_rwsem);
- } else {
- spin_unlock(&ci->i_ceph_lock);
}
+ spin_unlock(&ci->i_ceph_lock);
if (fill_inline)
ceph_fill_inline_data(inode, NULL, extra_info->inline_data,
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 092/244] kbuild: dummy-tools: avoid tmpdir leak in dummy gcc
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (90 preceding siblings ...)
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@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 093/244] tools build: Switch to new openssl API for test-libcrypto Greg Kroah-Hartman
` (153 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Ondrej Mosnacek, Masahiro Yamada
From: Ondrej Mosnacek <omosnace@redhat.com>
commit aac289653fa5adf9e9985e4912c1d24a3e8cbab2 upstream.
When passed -print-file-name=plugin, the dummy gcc script creates a
temporary directory that is never cleaned up. To avoid cluttering
$TMPDIR, instead use a static directory included in the source tree.
Fixes: 76426e238834 ("kbuild: add dummy toolchains to enable all cc-option etc. in Kconfig")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
.../dummy-tools/dummy-plugin-dir/include/plugin-version.h | 0
scripts/dummy-tools/gcc | 8 ++------
2 files changed, 2 insertions(+), 6 deletions(-)
create mode 100644 scripts/dummy-tools/dummy-plugin-dir/include/plugin-version.h
diff --git a/scripts/dummy-tools/dummy-plugin-dir/include/plugin-version.h b/scripts/dummy-tools/dummy-plugin-dir/include/plugin-version.h
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
index b2483149bbe5..7db825843435 100755
--- a/scripts/dummy-tools/gcc
+++ b/scripts/dummy-tools/gcc
@@ -96,12 +96,8 @@ fi
# To set GCC_PLUGINS
if arg_contain -print-file-name=plugin "$@"; then
- plugin_dir=$(mktemp -d)
-
- mkdir -p $plugin_dir/include
- touch $plugin_dir/include/plugin-version.h
-
- echo $plugin_dir
+ # Use $0 to find the in-tree dummy directory
+ echo "$(dirname "$(readlink -f "$0")")/dummy-plugin-dir"
exit 0
fi
--
2.37.2
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 093/244] tools build: Switch to new openssl API for test-libcrypto
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` (91 preceding siblings ...)
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@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 094/244] NTB: ntb_tool: uninitialized heap data in tool_fn_write() Greg Kroah-Hartman
` (152 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Roberto Sassu, Alexei Starovoitov,
Andrii Nakryiko, bpf, Daniel Borkmann, Ingo Molnar,
John Fastabend, KP Singh, llvm, Martin KaFai Lau,
Nathan Chancellor, Nick Desaulniers, Nick Terrell,
Peter Zijlstra, Quentin Monnet, Song Liu, Stanislav Fomichev,
Arnaldo Carvalho de Melo
From: Roberto Sassu <roberto.sassu@huawei.com>
commit 5b245985a6de5ac18b5088c37068816d413fb8ed upstream.
Switch to new EVP API for detecting libcrypto, as Fedora 36 returns an
error when it encounters the deprecated function MD5_Init() and the others.
The error would be interpreted as missing libcrypto, while in reality it is
not.
Fixes: 6e8ccb4f624a73c5 ("tools/bpf: properly account for libbfd variations")
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: llvm@lists.linux.dev
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Song Liu <song@kernel.org>
Cc: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20220719170555.2576993-4-roberto.sassu@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/build/feature/test-libcrypto.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
--- a/tools/build/feature/test-libcrypto.c
+++ b/tools/build/feature/test-libcrypto.c
@@ -1,16 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
+#include <openssl/evp.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
int main(void)
{
- MD5_CTX context;
+ EVP_MD_CTX *mdctx;
unsigned char md[MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH];
unsigned char dat[] = "12345";
+ unsigned int digest_len;
- MD5_Init(&context);
- MD5_Update(&context, &dat[0], sizeof(dat));
- MD5_Final(&md[0], &context);
+ mdctx = EVP_MD_CTX_new();
+ if (!mdctx)
+ return 0;
+
+ EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+ EVP_DigestUpdate(mdctx, &dat[0], sizeof(dat));
+ EVP_DigestFinal_ex(mdctx, &md[0], &digest_len);
+ EVP_MD_CTX_free(mdctx);
SHA1(&dat[0], sizeof(dat), &md[0]);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 094/244] NTB: ntb_tool: uninitialized heap data in tool_fn_write()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (92 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 093/244] tools build: Switch to new openssl API for test-libcrypto Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 095/244] nfp: ethtool: fix the display error of `ethtool -m DEVNAME` Greg Kroah-Hartman
` (151 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Dan Carpenter, Jon Mason
From: Dan Carpenter <dan.carpenter@oracle.com>
commit 45e1058b77feade4e36402828bfe3e0d3363177b upstream.
The call to:
ret = simple_write_to_buffer(buf, size, offp, ubuf, size);
will return success if it is able to write even one byte to "buf".
The value of "*offp" controls which byte. This could result in
reading uninitialized data when we do the sscanf() on the next line.
This code is not really desigined to handle partial writes where
*offp is non-zero and the "buf" is preserved and re-used between writes.
Just ban partial writes and replace the simple_write_to_buffer() with
copy_from_user().
Fixes: 578b881ba9c4 ("NTB: Add tool test client")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/ntb/test/ntb_tool.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/ntb/test/ntb_tool.c
+++ b/drivers/ntb/test/ntb_tool.c
@@ -367,14 +367,16 @@ static ssize_t tool_fn_write(struct tool
u64 bits;
int n;
+ if (*offp)
+ return 0;
+
buf = kmalloc(size + 1, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- ret = simple_write_to_buffer(buf, size, offp, ubuf, size);
- if (ret < 0) {
+ if (copy_from_user(buf, ubuf, size)) {
kfree(buf);
- return ret;
+ return -EFAULT;
}
buf[size] = 0;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 095/244] nfp: ethtool: fix the display error of `ethtool -m DEVNAME`
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (93 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 094/244] NTB: ntb_tool: uninitialized heap data in tool_fn_write() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 096/244] xen/xenbus: fix return type in xenbus_file_read() Greg Kroah-Hartman
` (150 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Louis Peens, Yu Xiao, Simon Horman,
Jakub Kicinski
From: Yu Xiao <yu.xiao@corigine.com>
commit 4ae97cae07e15d41e5c0ebabba64c6eefdeb0bbe upstream.
The port flag isn't set to `NFP_PORT_CHANGED` when using
`ethtool -m DEVNAME` before, so the port state (e.g. interface)
cannot be updated. Therefore, it caused that `ethtool -m DEVNAME`
sometimes cannot read the correct information.
E.g. `ethtool -m DEVNAME` cannot work when load driver before plug
in optical module, as the port interface is still NONE without port
update.
Now update the port state before sending info to NIC to ensure that
port interface is correct (latest state).
Fixes: 61f7c6f44870 ("nfp: implement ethtool get module EEPROM")
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yu Xiao <yu.xiao@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220802093355.69065-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -1219,6 +1219,8 @@ nfp_port_get_module_info(struct net_devi
u8 data;
port = nfp_port_from_netdev(netdev);
+ /* update port state to get latest interface */
+ set_bit(NFP_PORT_CHANGED, &port->flags);
eth_port = nfp_port_get_eth_port(port);
if (!eth_port)
return -EOPNOTSUPP;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 096/244] xen/xenbus: fix return type in xenbus_file_read()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (94 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 095/244] nfp: ethtool: fix the display error of `ethtool -m DEVNAME` Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 097/244] atm: idt77252: fix use-after-free bugs caused by tst_timer Greg Kroah-Hartman
` (149 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dan Carpenter, Oleksandr Tyshchenko,
Juergen Gross
From: Dan Carpenter <dan.carpenter@oracle.com>
commit 32ad11127b95236dfc52375f3707853194a7f4b4 upstream.
This code tries to store -EFAULT in an unsigned int. The
xenbus_file_read() function returns type ssize_t so the negative value
is returned as a positive value to the user.
This change forces another change to the min() macro. Originally, the
min() macro used "unsigned" type which checkpatch complains about. Also
unsigned type would break if "len" were not capped at MAX_RW_COUNT. Use
size_t for the min(). (No effect on runtime for the min_t() change).
Fixes: 2fb3683e7b16 ("xen: Add xenbus device driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Link: https://lore.kernel.org/r/YutxJUaUYRG/VLVc@kili
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/xen/xenbus/xenbus_dev_frontend.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -128,7 +128,7 @@ static ssize_t xenbus_file_read(struct f
{
struct xenbus_file_priv *u = filp->private_data;
struct read_buffer *rb;
- unsigned i;
+ ssize_t i;
int ret;
mutex_lock(&u->reply_mutex);
@@ -148,7 +148,7 @@ again:
rb = list_entry(u->read_buffers.next, struct read_buffer, list);
i = 0;
while (i < len) {
- unsigned sz = min((unsigned)len - i, rb->len - rb->cons);
+ size_t sz = min_t(size_t, len - i, rb->len - rb->cons);
ret = copy_to_user(ubuf + i, &rb->msg[rb->cons], sz);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 097/244] atm: idt77252: fix use-after-free bugs caused by tst_timer
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (95 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 096/244] xen/xenbus: fix return type in xenbus_file_read() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 098/244] geneve: fix TOS inheriting for ipv4 Greg Kroah-Hartman
` (148 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Duoming Zhou, Jakub Kicinski
From: Duoming Zhou <duoming@zju.edu.cn>
commit 3f4093e2bf4673f218c0bf17d8362337c400e77b upstream.
There are use-after-free bugs caused by tst_timer. The root cause
is that there are no functions to stop tst_timer in idt77252_exit().
One of the possible race conditions is shown below:
(thread 1) | (thread 2)
| idt77252_init_one
| init_card
| fill_tst
| mod_timer(&card->tst_timer, ...)
idt77252_exit | (wait a time)
| tst_timer
|
| ...
kfree(card) // FREE |
| card->soft_tst[e] // USE
The idt77252_dev is deallocated in idt77252_exit() and used in
timer handler.
This patch adds del_timer_sync() in idt77252_exit() in order that
the timer handler could be stopped before the idt77252_dev is
deallocated.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://lore.kernel.org/r/20220805070008.18007-1-duoming@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/atm/idt77252.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -3752,6 +3752,7 @@ static void __exit idt77252_exit(void)
card = idt77252_chain;
dev = card->atmdev;
idt77252_chain = card->next;
+ del_timer_sync(&card->tst_timer);
if (dev->phy->stop)
dev->phy->stop(dev);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 098/244] geneve: fix TOS inheriting for ipv4
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (96 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 097/244] atm: idt77252: fix use-after-free bugs caused by tst_timer Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 099/244] perf probe: Fix an error handling path in parse_perf_probe_command() Greg Kroah-Hartman
` (147 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Matthias May, Guillaume Nault,
Jakub Kicinski
From: Matthias May <matthias.may@westermo.com>
commit b4ab94d6adaa5cf842b68bd28f4b50bc774496bd upstream.
The current code retrieves the TOS field after the lookup
on the ipv4 routing table. The routing process currently
only allows routing based on the original 3 TOS bits, and
not on the full 6 DSCP bits.
As a result the retrieved TOS is cut to the 3 bits.
However for inheriting purposes the full 6 bits should be used.
Extract the full 6 bits before the route lookup and use
that instead of the cut off 3 TOS bits.
Fixes: e305ac6cf5a1 ("geneve: Add support to collect tunnel metadata.")
Signed-off-by: Matthias May <matthias.may@westermo.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Link: https://lore.kernel.org/r/20220805190006.8078-1-matthias.may@westermo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/geneve.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -774,7 +774,8 @@ static struct rtable *geneve_get_v4_rt(s
struct geneve_sock *gs4,
struct flowi4 *fl4,
const struct ip_tunnel_info *info,
- __be16 dport, __be16 sport)
+ __be16 dport, __be16 sport,
+ __u8 *full_tos)
{
bool use_cache = ip_tunnel_dst_cache_usable(skb, info);
struct geneve_dev *geneve = netdev_priv(dev);
@@ -799,6 +800,8 @@ static struct rtable *geneve_get_v4_rt(s
use_cache = false;
}
fl4->flowi4_tos = RT_TOS(tos);
+ if (full_tos)
+ *full_tos = tos;
dst_cache = (struct dst_cache *)&info->dst_cache;
if (use_cache) {
@@ -886,6 +889,7 @@ static int geneve_xmit_skb(struct sk_buf
const struct ip_tunnel_key *key = &info->key;
struct rtable *rt;
struct flowi4 fl4;
+ __u8 full_tos;
__u8 tos, ttl;
__be16 df = 0;
__be16 sport;
@@ -896,7 +900,7 @@ static int geneve_xmit_skb(struct sk_buf
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,
- geneve->cfg.info.key.tp_dst, sport);
+ geneve->cfg.info.key.tp_dst, sport, &full_tos);
if (IS_ERR(rt))
return PTR_ERR(rt);
@@ -940,7 +944,7 @@ static int geneve_xmit_skb(struct sk_buf
df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
} else {
- tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, ip_hdr(skb), skb);
+ tos = ip_tunnel_ecn_encap(full_tos, ip_hdr(skb), skb);
if (geneve->cfg.ttl_inherit)
ttl = ip_tunnel_get_ttl(ip_hdr(skb), skb);
else
@@ -1122,7 +1126,7 @@ static int geneve_fill_metadata_dst(stru
1, USHRT_MAX, true);
rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info,
- geneve->cfg.info.key.tp_dst, sport);
+ geneve->cfg.info.key.tp_dst, sport, NULL);
if (IS_ERR(rt))
return PTR_ERR(rt);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 099/244] perf probe: Fix an error handling path in parse_perf_probe_command()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (97 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 098/244] geneve: fix TOS inheriting for ipv4 Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 100/244] perf parse-events: Fix segfault when event parser gets an error Greg Kroah-Hartman
` (146 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Christophe JAILLET, Masami Hiramatsu,
Alexander Shishkin, Ingo Molnar, Jiri Olsa, kernel-janitors,
Mark Rutland, Namhyung Kim, Peter Zijlstra,
Arnaldo Carvalho de Melo
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit 4bf6dcaa93bcd083a13c278a91418fe10e6d23a0 upstream.
If a memory allocation fail, we should branch to the error handling path
in order to free some resources allocated a few lines above.
Fixes: 15354d54698648e2 ("perf probe: Generate event name with line number")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: kernel-janitors@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/b71bcb01fa0c7b9778647235c3ab490f699ba278.1659797452.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/perf/util/probe-event.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1775,8 +1775,10 @@ int parse_perf_probe_command(const char
if (!pev->event && pev->point.function && pev->point.line
&& !pev->point.lazy_line && !pev->point.offset) {
if (asprintf(&pev->event, "%s_L%d", pev->point.function,
- pev->point.line) < 0)
- return -ENOMEM;
+ pev->point.line) < 0) {
+ ret = -ENOMEM;
+ goto out;
+ }
}
/* Copy arguments and ensure return probe has no C argument */
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 100/244] perf parse-events: Fix segfault when event parser gets an error
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (98 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 099/244] perf probe: Fix an error handling path in parse_perf_probe_command() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 101/244] perf tests: Fix Track with sched_switch test for hybrid case Greg Kroah-Hartman
` (145 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Adrian Hunter, Ian Rogers, Jin Yao,
Jiri Olsa, Namhyung Kim, Arnaldo Carvalho de Melo
From: Adrian Hunter <adrian.hunter@intel.com>
commit 2e828582b81f5bc76a4fe8e7812df259ab208302 upstream.
parse_events() is often called with parse_events_error set to NULL.
Make parse_events_error__handle() not segfault in that case.
A subsequent patch changes to avoid passing NULL in the first place.
Fixes: 43eb05d066795bdf ("perf tests: Support 'Track with sched_switch' test for hybrid")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220809080702.6921-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/perf/util/parse-events.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -196,9 +196,12 @@ static int tp_event_has_id(const char *d
void parse_events__handle_error(struct parse_events_error *err, int idx,
char *str, char *help)
{
- if (WARN(!str, "WARNING: failed to provide error string\n")) {
- free(help);
- return;
+ if (WARN(!str, "WARNING: failed to provide error string\n"))
+ goto out_free;
+ if (!err) {
+ /* Assume caller does not want message printed */
+ pr_debug("event syntax error: %s\n", str);
+ goto out_free;
}
switch (err->num_errors) {
case 0:
@@ -224,6 +227,11 @@ void parse_events__handle_error(struct p
break;
}
err->num_errors++;
+ return;
+
+out_free:
+ free(str);
+ free(help);
}
struct tracepoint_path *tracepoint_id_to_path(u64 config)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 101/244] perf tests: Fix Track with sched_switch test for hybrid case
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (99 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 100/244] perf parse-events: Fix segfault when event parser gets an error Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 102/244] dpaa2-eth: trace the allocated address instead of page struct Greg Kroah-Hartman
` (144 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Adrian Hunter, Ian Rogers, Jin Yao,
Jiri Olsa, Namhyung Kim, Arnaldo Carvalho de Melo
From: Adrian Hunter <adrian.hunter@intel.com>
commit 1da1d60774014137d776d0400fdf2f1779d8d4d5 upstream.
If cpu_core PMU event fails to parse, try also cpu_atom PMU event when
parsing cycles event.
Fixes: 43eb05d066795bdf ("perf tests: Support 'Track with sched_switch' test for hybrid")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220809080702.6921-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
tools/perf/tests/switch-tracking.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -324,6 +324,7 @@ out_free_nodes:
int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_unused)
{
const char *sched_switch = "sched:sched_switch";
+ const char *cycles = "cycles:u";
struct switch_tracking switch_tracking = { .tids = NULL, };
struct record_opts opts = {
.mmap_pages = UINT_MAX,
@@ -372,12 +373,19 @@ int test__switch_tracking(struct test *t
cpu_clocks_evsel = evlist__last(evlist);
/* Second event */
- if (perf_pmu__has_hybrid())
- err = parse_events(evlist, "cpu_core/cycles/u", NULL);
- else
- err = parse_events(evlist, "cycles:u", NULL);
+ if (perf_pmu__has_hybrid()) {
+ cycles = "cpu_core/cycles/u";
+ err = parse_events(evlist, cycles, NULL);
+ if (err) {
+ cycles = "cpu_atom/cycles/u";
+ pr_debug("Trying %s\n", cycles);
+ err = parse_events(evlist, cycles, NULL);
+ }
+ } else {
+ err = parse_events(evlist, cycles, NULL);
+ }
if (err) {
- pr_debug("Failed to parse event cycles:u\n");
+ pr_debug("Failed to parse event %s\n", cycles);
goto out_err;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 102/244] dpaa2-eth: trace the allocated address instead of page struct
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (100 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 101/244] perf tests: Fix Track with sched_switch test for hybrid case Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 103/244] fs/ntfs3: Fix using uninitialized value n when calling indx_read Greg Kroah-Hartman
` (143 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Chen Lin, Ioana Ciornei, Jakub Kicinski
From: Chen Lin <chen45464546@163.com>
commit e34f49348f8b7a53205b6f77707a3a6a40cf420b upstream.
We should trace the allocated address instead of page struct.
Fixes: 27c874867c4e ("dpaa2-eth: Use a single page per Rx buffer")
Signed-off-by: Chen Lin <chen.lin5@zte.com.cn>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20220811151651.3327-1-chen45464546@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -1389,8 +1389,8 @@ static int dpaa2_eth_add_bufs(struct dpa
buf_array[i] = addr;
/* tracing point */
- trace_dpaa2_eth_buf_seed(priv->net_dev,
- page, DPAA2_ETH_RX_BUF_RAW_SIZE,
+ trace_dpaa2_eth_buf_seed(priv->net_dev, page_address(page),
+ DPAA2_ETH_RX_BUF_RAW_SIZE,
addr, priv->rx_buf_size,
bpid);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 103/244] fs/ntfs3: Fix using uninitialized value n when calling indx_read
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (101 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 102/244] dpaa2-eth: trace the allocated address instead of page struct Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 104/244] fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr Greg Kroah-Hartman
` (142 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Yan Lei, Konstantin Komarov
From: Yan Lei <chinayanlei2002@163.com>
commit ae5a4e46916fc307288227b64c1d062352eb93b7 upstream.
This value is checked in indx_read, so it must be initialized
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Signed-off-by: Yan Lei <chinayanlei2002@163.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/index.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ntfs3/index.c
+++ b/fs/ntfs3/index.c
@@ -1994,7 +1994,7 @@ static int indx_free_children(struct ntf
const struct NTFS_DE *e, bool trim)
{
int err;
- struct indx_node *n;
+ struct indx_node *n = NULL;
struct INDEX_HDR *hdr;
CLST vbn = de_get_vbn(e);
size_t i;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 104/244] fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (102 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 103/244] fs/ntfs3: Fix using uninitialized value n when calling indx_read Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 105/244] fs/ntfs3: Dont clear upper bits accidentally in log_replay() Greg Kroah-Hartman
` (141 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Pavel Skripkin, Konstantin Komarov,
syzbot+c95173762127ad76a824
From: Pavel Skripkin <paskripkin@gmail.com>
commit 321460ca3b55f48b3ba6008248264ab2bd6407d9 upstream.
If ntfs_fill_super() wasn't called then sbi->sb will be equal to NULL.
Code should check this ptr before dereferencing. Syzbot hit this issue
via passing wrong mount param as can be seen from log below
Fail log:
ntfs3: Unknown parameter 'iochvrset'
general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 3589 Comm: syz-executor210 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0
...
Call Trace:
<TASK>
put_ntfs+0x1ed/0x2a0 fs/ntfs3/super.c:463
ntfs_fs_free+0x6a/0xe0 fs/ntfs3/super.c:1363
put_fs_context+0x119/0x7a0 fs/fs_context.c:469
do_new_mount+0x2b4/0xad0 fs/namespace.c:3044
do_mount fs/namespace.c:3383 [inline]
__do_sys_mount fs/namespace.c:3591 [inline]
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Reported-and-tested-by: syzbot+c95173762127ad76a824@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/fsntfs.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -831,10 +831,15 @@ int ntfs_update_mftmirr(struct ntfs_sb_i
{
int err;
struct super_block *sb = sbi->sb;
- u32 blocksize = sb->s_blocksize;
+ u32 blocksize;
sector_t block1, block2;
u32 bytes;
+ if (!sb)
+ return -EINVAL;
+
+ blocksize = sb->s_blocksize;
+
if (!(sbi->flags & NTFS_FLAGS_MFTMIRR))
return 0;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 105/244] fs/ntfs3: Dont clear upper bits accidentally in log_replay()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (103 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 104/244] fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 106/244] fs/ntfs3: Fix double free on remount Greg Kroah-Hartman
` (140 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dan Carpenter, Namjae Jeon,
Konstantin Komarov
From: Dan Carpenter <dan.carpenter@oracle.com>
commit 926034353d3c67db1ffeab47dcb7f6bdac02a263 upstream.
The "vcn" variable is a 64 bit. The "log->clst_per_page" variable is a
u32. This means that the mask accidentally clears out the high 32 bits
when it was only supposed to clear some low bits. Fix this by adding a
cast to u64.
Fixes: b46acd6a6a62 ("fs/ntfs3: Add NTFS journal")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/fslog.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -5057,7 +5057,7 @@ undo_action_next:
goto add_allocated_vcns;
vcn = le64_to_cpu(lrh->target_vcn);
- vcn &= ~(log->clst_per_page - 1);
+ vcn &= ~(u64)(log->clst_per_page - 1);
add_allocated_vcns:
for (i = 0, vcn = le64_to_cpu(lrh->target_vcn),
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 106/244] fs/ntfs3: Fix double free on remount
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (104 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 105/244] fs/ntfs3: Dont clear upper bits accidentally in log_replay() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 107/244] fs/ntfs3: Do not change mode if ntfs_set_ea failed Greg Kroah-Hartman
` (139 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Konstantin Komarov
From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
commit cd39981fb92adf0cc736112f87e3e61602baa415 upstream.
Pointer to options was freed twice on remount
Fixes xfstest generic/361
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/super.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -30,6 +30,7 @@
#include <linux/fs_context.h>
#include <linux/fs_parser.h>
#include <linux/log2.h>
+#include <linux/minmax.h>
#include <linux/module.h>
#include <linux/nls.h>
#include <linux/seq_file.h>
@@ -390,7 +391,7 @@ static int ntfs_fs_reconfigure(struct fs
return -EINVAL;
}
- memcpy(sbi->options, new_opts, sizeof(*new_opts));
+ swap(sbi->options, fc->fs_private);
return 0;
}
@@ -901,6 +902,8 @@ static int ntfs_fill_super(struct super_
ref.high = 0;
sbi->sb = sb;
+ sbi->options = fc->fs_private;
+ fc->fs_private = NULL;
sb->s_flags |= SB_NODIRATIME;
sb->s_magic = 0x7366746e; // "ntfs"
sb->s_op = &ntfs_sops;
@@ -1264,8 +1267,6 @@ load_root:
goto put_inode_out;
}
- fc->fs_private = NULL;
-
return 0;
put_inode_out:
@@ -1418,7 +1419,6 @@ static int ntfs_init_fs_context(struct f
mutex_init(&sbi->compress.mtx_lzx);
#endif
- sbi->options = opts;
fc->s_fs_info = sbi;
ok:
fc->fs_private = opts;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 107/244] fs/ntfs3: Do not change mode if ntfs_set_ea failed
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (105 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 106/244] fs/ntfs3: Fix double free on remount Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 108/244] fs/ntfs3: Fix missing i_op in ntfs_read_mft Greg Kroah-Hartman
` (138 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Konstantin Komarov
From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
commit 460bbf2990b3fdc597601c2cf669a3371c069242 upstream.
ntfs_set_ea can fail with NOSPC, so we don't need to
change mode in this situation.
Fixes xfstest generic/449
Fixes: be71b5cba2e6 ("fs/ntfs3: Add attrib operations")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/xattr.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -545,28 +545,23 @@ static noinline int ntfs_set_acl_ex(stru
{
const char *name;
size_t size, name_len;
- void *value = NULL;
- int err = 0;
+ void *value;
+ int err;
int flags;
+ umode_t mode;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
+ mode = inode->i_mode;
switch (type) {
case ACL_TYPE_ACCESS:
/* Do not change i_mode if we are in init_acl */
if (acl && !init_acl) {
- umode_t mode;
-
err = posix_acl_update_mode(mnt_userns, inode, &mode,
&acl);
if (err)
goto out;
-
- if (inode->i_mode != mode) {
- inode->i_mode = mode;
- mark_inode_dirty(inode);
- }
}
name = XATTR_NAME_POSIX_ACL_ACCESS;
name_len = sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1;
@@ -602,8 +597,13 @@ static noinline int ntfs_set_acl_ex(stru
err = ntfs_set_ea(inode, name, name_len, value, size, flags);
if (err == -ENODATA && !size)
err = 0; /* Removing non existed xattr. */
- if (!err)
+ if (!err) {
set_cached_acl(inode, type, acl);
+ if (inode->i_mode != mode) {
+ inode->i_mode = mode;
+ mark_inode_dirty(inode);
+ }
+ }
out:
kfree(value);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 108/244] fs/ntfs3: Fix missing i_op in ntfs_read_mft
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (106 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 107/244] fs/ntfs3: Do not change mode if ntfs_set_ea failed Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 109/244] nios2: page fault et.al. are *not* restartable syscalls Greg Kroah-Hartman
` (137 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Liangbin Lian, Konstantin Komarov
From: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
commit 37a530bfe56ca9a0d3129598803f2794c7428aae upstream.
There is null pointer dereference because i_op == NULL.
The bug happens because we don't initialize i_op for records in $Extend.
Fixes: 82cae269cfa9 ("fs/ntfs3: Add initialization of super block")
Reported-by: Liangbin Lian <jjm2473@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/inode.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -430,6 +430,7 @@ end_enum:
} else if (fname && fname->home.low == cpu_to_le32(MFT_REC_EXTEND) &&
fname->home.seq == cpu_to_le16(MFT_REC_EXTEND)) {
/* Records in $Extend are not a files or general directories. */
+ inode->i_op = &ntfs_file_inode_operations;
} else {
err = -EINVAL;
goto out;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 109/244] nios2: page fault et.al. are *not* restartable syscalls...
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (107 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 108/244] fs/ntfs3: Fix missing i_op in ntfs_read_mft Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 110/244] nios2: dont leave NULLs in sys_call_table[] Greg Kroah-Hartman
` (136 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit 8535c239ac674f7ead0f2652932d35c52c4123b2 upstream.
make sure that ->orig_r2 is negative for everything except
the syscalls.
Fixes: 82ed08dd1b0e ("nios2: Exception handling")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/include/asm/entry.h | 3 ++-
arch/nios2/kernel/entry.S | 4 +---
2 files changed, 3 insertions(+), 4 deletions(-)
--- a/arch/nios2/include/asm/entry.h
+++ b/arch/nios2/include/asm/entry.h
@@ -50,7 +50,8 @@
stw r13, PT_R13(sp)
stw r14, PT_R14(sp)
stw r15, PT_R15(sp)
- stw r2, PT_ORIG_R2(sp)
+ movi r24, -1
+ stw r24, PT_ORIG_R2(sp)
stw r7, PT_ORIG_R7(sp)
stw ra, PT_RA(sp)
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -185,6 +185,7 @@ ENTRY(handle_system_call)
ldw r5, PT_R5(sp)
local_restart:
+ stw r2, PT_ORIG_R2(sp)
/* Check that the requested system call is within limits */
movui r1, __NR_syscalls
bgeu r2, r1, ret_invsyscall
@@ -336,9 +337,6 @@ external_interrupt:
/* skip if no interrupt is pending */
beq r12, r0, ret_from_interrupt
- movi r24, -1
- stw r24, PT_ORIG_R2(sp)
-
/*
* Process an external hardware interrupt.
*/
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 110/244] nios2: dont leave NULLs in sys_call_table[]
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (108 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 109/244] nios2: page fault et.al. are *not* restartable syscalls Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 111/244] nios2: traced syscall does need to check the syscall number Greg Kroah-Hartman
` (135 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit 45ec746c65097c25e77d24eae8fee0def5b6cc5d upstream.
fill the gaps in there with sys_ni_syscall, as everyone does...
Fixes: 82ed08dd1b0e ("nios2: Exception handling")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/kernel/entry.S | 1 -
arch/nios2/kernel/syscall_table.c | 1 +
2 files changed, 1 insertion(+), 1 deletion(-)
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -193,7 +193,6 @@ local_restart:
movhi r11, %hiadj(sys_call_table)
add r1, r1, r11
ldw r1, %lo(sys_call_table)(r1)
- beq r1, r0, ret_invsyscall
/* Check if we are being traced */
GET_THREAD_INFO r11
--- a/arch/nios2/kernel/syscall_table.c
+++ b/arch/nios2/kernel/syscall_table.c
@@ -13,5 +13,6 @@
#define __SYSCALL(nr, call) [nr] = (call),
void *sys_call_table[__NR_syscalls] = {
+ [0 ... __NR_syscalls-1] = sys_ni_syscall,
#include <asm/unistd.h>
};
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 111/244] nios2: traced syscall does need to check the syscall number
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (109 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 110/244] nios2: dont leave NULLs in sys_call_table[] Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 112/244] nios2: fix syscall restart checks Greg Kroah-Hartman
` (134 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit 25ba820ef36bdbaf9884adeac69b6e1821a7df76 upstream.
all checks done before letting the tracer modify the register
state are worthless...
Fixes: 82ed08dd1b0e ("nios2: Exception handling")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/kernel/entry.S | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -255,9 +255,9 @@ traced_system_call:
ldw r6, PT_R6(sp)
ldw r7, PT_R7(sp)
- /* Fetch the syscall function, we don't need to check the boundaries
- * since this is already done.
- */
+ /* Fetch the syscall function. */
+ movui r1, __NR_syscalls
+ bgeu r2, r1, traced_invsyscall
slli r1, r2, 2
movhi r11,%hiadj(sys_call_table)
add r1, r1, r11
@@ -287,6 +287,11 @@ end_translate_rc_and_ret2:
RESTORE_SWITCH_STACK
br ret_from_exception
+ /* If the syscall number was invalid return ENOSYS */
+traced_invsyscall:
+ movi r2, -ENOSYS
+ br translate_rc_and_ret2
+
Luser_return:
GET_THREAD_INFO r11 /* get thread_info pointer */
ldw r10, TI_FLAGS(r11) /* get thread_info->flags */
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 112/244] nios2: fix syscall restart checks
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (110 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 111/244] nios2: traced syscall does need to check the syscall number Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 113/244] nios2: restarts apply only to the first sigframe we build Greg Kroah-Hartman
` (133 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit 2d631bd58fe0ea3e3350212e23c9aba1fb606514 upstream.
sys_foo() returns -512 (aka -ERESTARTSYS) => do_signal() sees
512 in r2 and 1 in r1.
sys_foo() returns 512 => do_signal() sees 512 in r2 and 0 in r1.
The former is restart-worthy; the latter obviously isn't.
Fixes: b53e906d255d ("nios2: Signal handling support")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -242,7 +242,7 @@ static int do_signal(struct pt_regs *reg
/*
* If we were from a system call, check for system call restarting...
*/
- if (regs->orig_r2 >= 0) {
+ if (regs->orig_r2 >= 0 && regs->r1) {
continue_addr = regs->ea;
restart_addr = continue_addr - 4;
retval = regs->r2;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 113/244] nios2: restarts apply only to the first sigframe we build...
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (111 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 112/244] nios2: fix syscall restart checks Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 114/244] nios2: add force_successful_syscall_return() Greg Kroah-Hartman
` (132 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit 411a76b7219555c55867466c82d70ce928d6c9e1 upstream.
Fixes: b53e906d255d ("nios2: Signal handling support")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/kernel/signal.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -264,6 +264,7 @@ static int do_signal(struct pt_regs *reg
regs->ea = restart_addr;
break;
}
+ regs->orig_r2 = -1;
}
if (get_signal(&ksig)) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 114/244] nios2: add force_successful_syscall_return()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (112 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 113/244] nios2: restarts apply only to the first sigframe we build Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 115/244] iavf: Fix adminq error handling Greg Kroah-Hartman
` (131 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Al Viro, Dinh Nguyen
From: Al Viro <viro@zeniv.linux.org.uk>
commit fd0c153daad135d0ec1a53c5dbe6936a724d6ae1 upstream.
If we use the ancient SysV syscall ABI, we'd better have tell the
kernel how to claim that a negative return value is a success.
Use ->orig_r2 for that - it's inaccessible via ptrace, so it's
a fair game for changes and it's normally[*] non-negative on return
from syscall. Set to -1; syscall is not going to be restart-worthy
by definition, so we won't interfere with that use either.
[*] the only exception is rt_sigreturn(), where we skip the entire
messing with r1/r2 anyway.
Fixes: 82ed08dd1b0e ("nios2: Exception handling")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/nios2/include/asm/ptrace.h | 2 ++
arch/nios2/kernel/entry.S | 6 ++++++
2 files changed, 8 insertions(+)
--- a/arch/nios2/include/asm/ptrace.h
+++ b/arch/nios2/include/asm/ptrace.h
@@ -74,6 +74,8 @@ extern void show_regs(struct pt_regs *);
((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE)\
- 1)
+#define force_successful_syscall_return() (current_pt_regs()->orig_r2 = -1)
+
int do_syscall_trace_enter(void);
void do_syscall_trace_exit(void);
#endif /* __ASSEMBLY__ */
--- a/arch/nios2/kernel/entry.S
+++ b/arch/nios2/kernel/entry.S
@@ -213,6 +213,9 @@ local_restart:
translate_rc_and_ret:
movi r1, 0
bge r2, zero, 3f
+ ldw r1, PT_ORIG_R2(sp)
+ addi r1, r1, 1
+ beq r1, zero, 3f
sub r2, zero, r2
movi r1, 1
3:
@@ -276,6 +279,9 @@ traced_system_call:
translate_rc_and_ret2:
movi r1, 0
bge r2, zero, 4f
+ ldw r1, PT_ORIG_R2(sp)
+ addi r1, r1, 1
+ beq r1, zero, 4f
sub r2, zero, r2
movi r1, 1
4:
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 115/244] iavf: Fix adminq error handling
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (113 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 114/244] nios2: add force_successful_syscall_return() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 116/244] iavf: Fix reset " Greg Kroah-Hartman
` (130 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Przemyslaw Patynowski,
Jedrzej Jagielski, Marek Szlosek, Tony Nguyen
From: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
commit 419831617ed349992c84344dbd9e627f9e68f842 upstream.
iavf_alloc_asq_bufs/iavf_alloc_arq_bufs allocates with dma_alloc_coherent
memory for VF mailbox.
Free DMA regions for both ASQ and ARQ in case error happens during
configuration of ASQ/ARQ registers.
Without this change it is possible to see when unloading interface:
74626.583369: dma_debug_device_change: device driver has pending DMA allocations while released from device [count=32]
One of leaked entries details: [device address=0x0000000b27ff9000] [size=4096 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]
Fixes: d358aa9a7a2d ("i40evf: init code and hardware support")
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/iavf/iavf_adminq.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
--- a/drivers/net/ethernet/intel/iavf/iavf_adminq.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_adminq.c
@@ -324,6 +324,7 @@ static enum iavf_status iavf_config_arq_
static enum iavf_status iavf_init_asq(struct iavf_hw *hw)
{
enum iavf_status ret_code = 0;
+ int i;
if (hw->aq.asq.count > 0) {
/* queue already initialized */
@@ -354,12 +355,17 @@ static enum iavf_status iavf_init_asq(st
/* initialize base registers */
ret_code = iavf_config_asq_regs(hw);
if (ret_code)
- goto init_adminq_free_rings;
+ goto init_free_asq_bufs;
/* success! */
hw->aq.asq.count = hw->aq.num_asq_entries;
goto init_adminq_exit;
+init_free_asq_bufs:
+ for (i = 0; i < hw->aq.num_asq_entries; i++)
+ iavf_free_dma_mem(hw, &hw->aq.asq.r.asq_bi[i]);
+ iavf_free_virt_mem(hw, &hw->aq.asq.dma_head);
+
init_adminq_free_rings:
iavf_free_adminq_asq(hw);
@@ -383,6 +389,7 @@ init_adminq_exit:
static enum iavf_status iavf_init_arq(struct iavf_hw *hw)
{
enum iavf_status ret_code = 0;
+ int i;
if (hw->aq.arq.count > 0) {
/* queue already initialized */
@@ -413,12 +420,16 @@ static enum iavf_status iavf_init_arq(st
/* initialize base registers */
ret_code = iavf_config_arq_regs(hw);
if (ret_code)
- goto init_adminq_free_rings;
+ goto init_free_arq_bufs;
/* success! */
hw->aq.arq.count = hw->aq.num_arq_entries;
goto init_adminq_exit;
+init_free_arq_bufs:
+ for (i = 0; i < hw->aq.num_arq_entries; i++)
+ iavf_free_dma_mem(hw, &hw->aq.arq.r.arq_bi[i]);
+ iavf_free_virt_mem(hw, &hw->aq.arq.dma_head);
init_adminq_free_rings:
iavf_free_adminq_arq(hw);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 116/244] iavf: Fix reset error handling
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (114 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 115/244] iavf: Fix adminq error handling Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 117/244] ASoC: SOF: debug: Fix potential buffer overflow by snprintf() Greg Kroah-Hartman
` (129 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Przemyslaw Patynowski,
Jedrzej Jagielski, Marek Szlosek, Tony Nguyen
From: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
commit 31071173771e079f7bc08dacd61e0db913262fbf upstream.
Do not call iavf_close in iavf_reset_task error handling. Doing so can
lead to double call of napi_disable, which can lead to deadlock there.
Removing VF would lead to iavf_remove task being stuck, because it
requires crit_lock, which is held by iavf_close.
Call iavf_disable_vf if reset fail, so that driver will clean up
remaining invalid resources.
During rapid VF resets, HW can fail to setup VF mailbox. Wrong
error handling can lead to iavf_remove being stuck with:
[ 5218.999087] iavf 0000:82:01.0: Failed to init adminq: -53
...
[ 5267.189211] INFO: task repro.sh:11219 blocked for more than 30 seconds.
[ 5267.189520] Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1
[ 5267.189764] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 5267.190062] task:repro.sh state:D stack: 0 pid:11219 ppid: 8162 flags:0x00000000
[ 5267.190347] Call Trace:
[ 5267.190647] <TASK>
[ 5267.190927] __schedule+0x460/0x9f0
[ 5267.191264] schedule+0x44/0xb0
[ 5267.191563] schedule_preempt_disabled+0x14/0x20
[ 5267.191890] __mutex_lock.isra.12+0x6e3/0xac0
[ 5267.192237] ? iavf_remove+0xf9/0x6c0 [iavf]
[ 5267.192565] iavf_remove+0x12a/0x6c0 [iavf]
[ 5267.192911] ? _raw_spin_unlock_irqrestore+0x1e/0x40
[ 5267.193285] pci_device_remove+0x36/0xb0
[ 5267.193619] device_release_driver_internal+0xc1/0x150
[ 5267.193974] pci_stop_bus_device+0x69/0x90
[ 5267.194361] pci_stop_and_remove_bus_device+0xe/0x20
[ 5267.194735] pci_iov_remove_virtfn+0xba/0x120
[ 5267.195130] sriov_disable+0x2f/0xe0
[ 5267.195506] ice_free_vfs+0x7d/0x2f0 [ice]
[ 5267.196056] ? pci_get_device+0x4f/0x70
[ 5267.196496] ice_sriov_configure+0x78/0x1a0 [ice]
[ 5267.196995] sriov_numvfs_store+0xfe/0x140
[ 5267.197466] kernfs_fop_write_iter+0x12e/0x1c0
[ 5267.197918] new_sync_write+0x10c/0x190
[ 5267.198404] vfs_write+0x24e/0x2d0
[ 5267.198886] ksys_write+0x5c/0xd0
[ 5267.199367] do_syscall_64+0x3a/0x80
[ 5267.199827] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 5267.200317] RIP: 0033:0x7f5b381205c8
[ 5267.200814] RSP: 002b:00007fff8c7e8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 5267.201981] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5b381205c8
[ 5267.202620] RDX: 0000000000000002 RSI: 00005569420ee900 RDI: 0000000000000001
[ 5267.203426] RBP: 00005569420ee900 R08: 000000000000000a R09: 00007f5b38180820
[ 5267.204327] R10: 000000000000000a R11: 0000000000000246 R12: 00007f5b383c06e0
[ 5267.205193] R13: 0000000000000002 R14: 00007f5b383bb880 R15: 0000000000000002
[ 5267.206041] </TASK>
[ 5267.206970] Kernel panic - not syncing: hung_task: blocked tasks
[ 5267.207809] CPU: 48 PID: 551 Comm: khungtaskd Kdump: loaded Tainted: G S E 5.18.0-04958-ga54ce3703613-dirty #1
[ 5267.208726] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.11.0 11/02/2019
[ 5267.209623] Call Trace:
[ 5267.210569] <TASK>
[ 5267.211480] dump_stack_lvl+0x33/0x42
[ 5267.212472] panic+0x107/0x294
[ 5267.213467] watchdog.cold.8+0xc/0xbb
[ 5267.214413] ? proc_dohung_task_timeout_secs+0x30/0x30
[ 5267.215511] kthread+0xf4/0x120
[ 5267.216459] ? kthread_complete_and_exit+0x20/0x20
[ 5267.217505] ret_from_fork+0x22/0x30
[ 5267.218459] </TASK>
Fixes: f0db78928783 ("i40evf: use netdev variable in reset task")
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Marek Szlosek <marek.szlosek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/iavf/iavf_main.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -2414,12 +2414,15 @@ continue_reset:
return;
reset_err:
+ if (running) {
+ set_bit(__IAVF_VSI_DOWN, adapter->vsi.state);
+ iavf_free_traffic_irqs(adapter);
+ }
+ iavf_disable_vf(adapter);
+
mutex_unlock(&adapter->client_lock);
mutex_unlock(&adapter->crit_lock);
- if (running)
- iavf_change_state(adapter, __IAVF_RUNNING);
dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n");
- iavf_close(netdev);
}
/**
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 117/244] ASoC: SOF: debug: Fix potential buffer overflow by snprintf()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (115 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 116/244] iavf: Fix reset " Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 118/244] ASoC: tas2770: Set correct FSYNC polarity Greg Kroah-Hartman
` (128 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Takashi Iwai, Mark Brown
From: Takashi Iwai <tiwai@suse.de>
commit 1eb123ce985e6cf302ac6e3f19862d132d86fa8f upstream.
snprintf() returns the would-be-filled size when the string overflows
the given buffer size, hence using this value may result in the buffer
overflow (although it's unrealistic).
This patch replaces with a safer version, scnprintf() for papering
over such a potential issue.
Fixes: 5b10b6298921 ("ASoC: SOF: Add `memory_info` file to debugfs")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20220801165420.25978-3-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/sof/debug.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -668,9 +668,9 @@ static int memory_info_update(struct snd
}
for (i = 0, len = 0; i < reply->num_elems; i++) {
- ret = snprintf(buf + len, buff_size - len, "zone %d.%d used %#8x free %#8x\n",
- reply->elems[i].zone, reply->elems[i].id,
- reply->elems[i].used, reply->elems[i].free);
+ ret = scnprintf(buf + len, buff_size - len, "zone %d.%d used %#8x free %#8x\n",
+ reply->elems[i].zone, reply->elems[i].id,
+ reply->elems[i].used, reply->elems[i].free);
if (ret < 0)
goto error;
len += ret;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 118/244] ASoC: tas2770: Set correct FSYNC polarity
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (116 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 117/244] ASoC: SOF: debug: Fix potential buffer overflow by snprintf() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 119/244] ASoC: tas2770: Allow mono streams Greg Kroah-Hartman
` (127 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Martin Povišer, Mark Brown
From: Martin Povišer <povik+lin@cutebit.org>
commit e9ac31f0a5d0e246b046c20348954519f91a297f upstream.
Fix setting of FSYNC polarity for DAI formats other than I2S. Also
add support for polarity inversion.
Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-2-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/tas2770.c | 20 +++++++++++++++++++-
sound/soc/codecs/tas2770.h | 3 +++
2 files changed, 22 insertions(+), 1 deletion(-)
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -337,7 +337,7 @@ static int tas2770_set_fmt(struct snd_so
struct snd_soc_component *component = dai->component;
struct tas2770_priv *tas2770 =
snd_soc_component_get_drvdata(component);
- u8 tdm_rx_start_slot = 0, asi_cfg_1 = 0;
+ u8 tdm_rx_start_slot = 0, invert_fpol = 0, fpol_preinv = 0, asi_cfg_1 = 0;
int ret;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -349,9 +349,15 @@ static int tas2770_set_fmt(struct snd_so
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_IF:
+ invert_fpol = 1;
+ fallthrough;
case SND_SOC_DAIFMT_NB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_RSING;
break;
+ case SND_SOC_DAIFMT_IB_IF:
+ invert_fpol = 1;
+ fallthrough;
case SND_SOC_DAIFMT_IB_NF:
asi_cfg_1 |= TAS2770_TDM_CFG_REG1_RX_FALING;
break;
@@ -369,15 +375,19 @@ static int tas2770_set_fmt(struct snd_so
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
tdm_rx_start_slot = 1;
+ fpol_preinv = 0;
break;
case SND_SOC_DAIFMT_DSP_A:
tdm_rx_start_slot = 0;
+ fpol_preinv = 1;
break;
case SND_SOC_DAIFMT_DSP_B:
tdm_rx_start_slot = 1;
+ fpol_preinv = 1;
break;
case SND_SOC_DAIFMT_LEFT_J:
tdm_rx_start_slot = 0;
+ fpol_preinv = 1;
break;
default:
dev_err(tas2770->dev,
@@ -391,6 +401,14 @@ static int tas2770_set_fmt(struct snd_so
if (ret < 0)
return ret;
+ ret = snd_soc_component_update_bits(component, TAS2770_TDM_CFG_REG0,
+ TAS2770_TDM_CFG_REG0_FPOL_MASK,
+ (fpol_preinv ^ invert_fpol)
+ ? TAS2770_TDM_CFG_REG0_FPOL_RSING
+ : TAS2770_TDM_CFG_REG0_FPOL_FALING);
+ if (ret < 0)
+ return ret;
+
return 0;
}
--- a/sound/soc/codecs/tas2770.h
+++ b/sound/soc/codecs/tas2770.h
@@ -41,6 +41,9 @@
#define TAS2770_TDM_CFG_REG0_31_44_1_48KHZ 0x6
#define TAS2770_TDM_CFG_REG0_31_88_2_96KHZ 0x8
#define TAS2770_TDM_CFG_REG0_31_176_4_192KHZ 0xa
+#define TAS2770_TDM_CFG_REG0_FPOL_MASK BIT(0)
+#define TAS2770_TDM_CFG_REG0_FPOL_RSING 0
+#define TAS2770_TDM_CFG_REG0_FPOL_FALING 1
/* TDM Configuration Reg1 */
#define TAS2770_TDM_CFG_REG1 TAS2770_REG(0X0, 0x0B)
#define TAS2770_TDM_CFG_REG1_MASK GENMASK(5, 1)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 119/244] ASoC: tas2770: Allow mono streams
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (117 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 118/244] ASoC: tas2770: Set correct FSYNC polarity Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 120/244] ASoC: tas2770: Drop conflicting set_bias_level power setting Greg Kroah-Hartman
` (126 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Martin Povišer, Mark Brown
From: Martin Povišer <povik+lin@cutebit.org>
commit bf54d97a835dfe62d4d29e245e170c63d0089be7 upstream.
The part is a mono speaker amp, but it can do downmix and switch between
left and right channel, so the right channel range is 1 to 2.
Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-3-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/tas2770.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -507,7 +507,7 @@ static struct snd_soc_dai_driver tas2770
.id = 0,
.playback = {
.stream_name = "ASI1 Playback",
- .channels_min = 2,
+ .channels_min = 1,
.channels_max = 2,
.rates = TAS2770_RATES,
.formats = TAS2770_FORMATS,
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 120/244] ASoC: tas2770: Drop conflicting set_bias_level power setting
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (118 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 119/244] ASoC: tas2770: Allow mono streams Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 121/244] ASoC: tas2770: Fix handling of mute/unmute Greg Kroah-Hartman
` (125 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Martin Povišer, Mark Brown
From: Martin Povišer <povik+lin@cutebit.org>
commit 482c23fbc7e9bf5a7a74defd0735d5346215db58 upstream.
The driver is setting the PWR_CTRL field in both the set_bias_level
callback and on DAPM events of the DAC widget (and also in the
mute_stream method). Drop the set_bias_level callback altogether as the
power setting it does is in conflict with the other code paths.
Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-4-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/tas2770.c | 33 ---------------------------------
1 file changed, 33 deletions(-)
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -46,38 +46,6 @@ static void tas2770_reset(struct tas2770
usleep_range(1000, 2000);
}
-static int tas2770_set_bias_level(struct snd_soc_component *component,
- enum snd_soc_bias_level level)
-{
- struct tas2770_priv *tas2770 =
- snd_soc_component_get_drvdata(component);
-
- switch (level) {
- case SND_SOC_BIAS_ON:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
- break;
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_PREPARE:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
- break;
- case SND_SOC_BIAS_OFF:
- snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_SHUTDOWN);
- break;
-
- default:
- dev_err(tas2770->dev, "wrong power level setting %d\n", level);
- return -EINVAL;
- }
-
- return 0;
-}
-
#ifdef CONFIG_PM
static int tas2770_codec_suspend(struct snd_soc_component *component)
{
@@ -555,7 +523,6 @@ static const struct snd_soc_component_dr
.probe = tas2770_codec_probe,
.suspend = tas2770_codec_suspend,
.resume = tas2770_codec_resume,
- .set_bias_level = tas2770_set_bias_level,
.controls = tas2770_snd_controls,
.num_controls = ARRAY_SIZE(tas2770_snd_controls),
.dapm_widgets = tas2770_dapm_widgets,
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 121/244] ASoC: tas2770: Fix handling of mute/unmute
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (119 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 120/244] ASoC: tas2770: Drop conflicting set_bias_level power setting Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 122/244] ASoC: codec: tlv320aic32x4: fix mono playback via I2S Greg Kroah-Hartman
` (124 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Martin Povišer, Mark Brown
From: Martin Povišer <povik+lin@cutebit.org>
commit 1e5907bcb3a3b569be0a03ebe668bba2ed320a50 upstream.
Because the PWR_CTRL field is modeled as the power state of the DAC
widget, and at the same time it is used to implement mute/unmute, we
need some additional book-keeping to have the right end result no matter
the sequence of calls. Without this fix, one can mute an ongoing stream
by toggling a speaker pin control.
Fixes: 1a476abc723e ("tas2770: add tas2770 smart PA kernel driver")
Signed-off-by: Martin Povišer <povik+lin@cutebit.org>
Link: https://lore.kernel.org/r/20220808141246.5749-5-povik+lin@cutebit.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/tas2770.c | 57 +++++++++++++++++++++++----------------------
sound/soc/codecs/tas2770.h | 2 +
2 files changed, 32 insertions(+), 27 deletions(-)
--- a/sound/soc/codecs/tas2770.c
+++ b/sound/soc/codecs/tas2770.c
@@ -46,6 +46,26 @@ static void tas2770_reset(struct tas2770
usleep_range(1000, 2000);
}
+static int tas2770_update_pwr_ctrl(struct tas2770_priv *tas2770)
+{
+ struct snd_soc_component *component = tas2770->component;
+ unsigned int val;
+ int ret;
+
+ if (tas2770->dac_powered)
+ val = tas2770->unmuted ?
+ TAS2770_PWR_CTRL_ACTIVE : TAS2770_PWR_CTRL_MUTE;
+ else
+ val = TAS2770_PWR_CTRL_SHUTDOWN;
+
+ ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
+ TAS2770_PWR_CTRL_MASK, val);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
#ifdef CONFIG_PM
static int tas2770_codec_suspend(struct snd_soc_component *component)
{
@@ -82,9 +102,7 @@ static int tas2770_codec_resume(struct s
gpiod_set_value_cansleep(tas2770->sdz_gpio, 1);
usleep_range(1000, 2000);
} else {
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
+ ret = tas2770_update_pwr_ctrl(tas2770);
if (ret < 0)
return ret;
}
@@ -120,24 +138,19 @@ static int tas2770_dac_event(struct snd_
switch (event) {
case SND_SOC_DAPM_POST_PMU:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
+ tas2770->dac_powered = 1;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
case SND_SOC_DAPM_PRE_PMD:
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_SHUTDOWN);
+ tas2770->dac_powered = 0;
+ ret = tas2770_update_pwr_ctrl(tas2770);
break;
default:
dev_err(tas2770->dev, "Not supported evevt\n");
return -EINVAL;
}
- if (ret < 0)
- return ret;
-
- return 0;
+ return ret;
}
static const struct snd_kcontrol_new isense_switch =
@@ -171,21 +184,11 @@ static const struct snd_soc_dapm_route t
static int tas2770_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
- int ret;
-
- if (mute)
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_MUTE);
- else
- ret = snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
- TAS2770_PWR_CTRL_MASK,
- TAS2770_PWR_CTRL_ACTIVE);
-
- if (ret < 0)
- return ret;
+ struct tas2770_priv *tas2770 =
+ snd_soc_component_get_drvdata(component);
- return 0;
+ tas2770->unmuted = !mute;
+ return tas2770_update_pwr_ctrl(tas2770);
}
static int tas2770_set_bitwidth(struct tas2770_priv *tas2770, int bitwidth)
--- a/sound/soc/codecs/tas2770.h
+++ b/sound/soc/codecs/tas2770.h
@@ -138,6 +138,8 @@ struct tas2770_priv {
struct device *dev;
int v_sense_slot;
int i_sense_slot;
+ bool dac_powered;
+ bool unmuted;
};
#endif /* __TAS2770__ */
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 122/244] ASoC: codec: tlv320aic32x4: fix mono playback via I2S
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (120 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 121/244] ASoC: tas2770: Fix handling of mute/unmute Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 123/244] netfilter: nf_tables: use READ_ONCE and WRITE_ONCE for shared generation id access Greg Kroah-Hartman
` (123 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Philipp Zabel, Mark Brown
From: Philipp Zabel <p.zabel@pengutronix.de>
commit b4b5f29a076e52181f63e45a2ad1bc88593072e3 upstream.
The two commits referenced below break mono playback via I2S DAI because
they set BCLK to half the required speed. For PCM transport over I2S, the
number of transmitted channels is always 2, even for mono playback.
Fixes: dcd79364bff3 ("ASoC: codec: tlv3204: Enable 24 bit audio support")
Fixes: 40b37136287b ("ASoC: tlv320aic32x4: Fix bdiv clock rate derivation")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220810104156.665452-1-p.zabel@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/tlv320aic32x4.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -49,6 +49,8 @@ struct aic32x4_priv {
struct aic32x4_setup_data *setup;
struct device *dev;
enum aic32x4_type type;
+
+ unsigned int fmt;
};
static int aic32x4_reset_adc(struct snd_soc_dapm_widget *w,
@@ -611,6 +613,7 @@ static int aic32x4_set_dai_sysclk(struct
static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_component *component = codec_dai->component;
+ struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
u8 iface_reg_1 = 0;
u8 iface_reg_2 = 0;
u8 iface_reg_3 = 0;
@@ -654,6 +657,8 @@ static int aic32x4_set_dai_fmt(struct sn
return -EINVAL;
}
+ aic32x4->fmt = fmt;
+
snd_soc_component_update_bits(component, AIC32X4_IFACE1,
AIC32X4_IFACE1_DATATYPE_MASK |
AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
@@ -758,6 +763,10 @@ static int aic32x4_setup_clocks(struct s
return -EINVAL;
}
+ /* PCM over I2S is always 2-channel */
+ if ((aic32x4->fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S)
+ channels = 2;
+
madc = DIV_ROUND_UP((32 * adc_resource_class), aosr);
max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) *
dosr_increment;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 123/244] netfilter: nf_tables: use READ_ONCE and WRITE_ONCE for shared generation id access
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (121 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 122/244] ASoC: codec: tlv320aic32x4: fix mono playback via I2S Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 124/244] fs/ntfs3: uninitialized variable in ntfs_set_acl_ex() Greg Kroah-Hartman
` (122 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 3400278328285a8c2f121904496aff5e7b610a01 upstream.
The generation ID is bumped from the commit path while holding the
mutex, however, netlink dump operations rely on RCU.
This patch also adds missing cb->base_eq initialization in
nf_tables_dump_set().
Fixes: 38e029f14a97 ("netfilter: nf_tables: set NLM_F_DUMP_INTR if netlink dumping is stale")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -837,7 +837,7 @@ static int nf_tables_dump_tables(struct
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -1626,7 +1626,7 @@ static int nf_tables_dump_chains(struct
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -3054,7 +3054,7 @@ static int nf_tables_dump_rules(struct s
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -4036,7 +4036,7 @@ static int nf_tables_dump_sets(struct sk
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (ctx->family != NFPROTO_UNSPEC &&
@@ -4964,6 +4964,8 @@ static int nf_tables_dump_set(struct sk_
rcu_read_lock();
nft_net = nft_pernet(net);
+ cb->seq = READ_ONCE(nft_net->base_seq);
+
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (dump_ctx->ctx.family != NFPROTO_UNSPEC &&
dump_ctx->ctx.family != table->family)
@@ -6796,7 +6798,7 @@ static int nf_tables_dump_obj(struct sk_
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -7728,7 +7730,7 @@ static int nf_tables_dump_flowtable(stru
rcu_read_lock();
nft_net = nft_pernet(net);
- cb->seq = nft_net->base_seq;
+ cb->seq = READ_ONCE(nft_net->base_seq);
list_for_each_entry_rcu(table, &nft_net->tables, list) {
if (family != NFPROTO_UNSPEC && family != table->family)
@@ -8612,6 +8614,7 @@ static int nf_tables_commit(struct net *
struct nft_trans_elem *te;
struct nft_chain *chain;
struct nft_table *table;
+ unsigned int base_seq;
LIST_HEAD(adl);
int err;
@@ -8661,9 +8664,12 @@ static int nf_tables_commit(struct net *
* Bump generation counter, invalidate any dump in progress.
* Cannot fail after this point.
*/
- while (++nft_net->base_seq == 0)
+ base_seq = READ_ONCE(nft_net->base_seq);
+ while (++base_seq == 0)
;
+ WRITE_ONCE(nft_net->base_seq, base_seq);
+
/* step 3. Start new generation, rules_gen_X now in use. */
net->nft.gencursor = nft_gencursor_next(net);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 124/244] fs/ntfs3: uninitialized variable in ntfs_set_acl_ex()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (122 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 123/244] netfilter: nf_tables: use READ_ONCE and WRITE_ONCE for shared generation id access Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 125/244] netfilter: nf_tables: disallow NFTA_SET_ELEM_KEY_END with NFT_SET_ELEM_INTERVAL_END flag Greg Kroah-Hartman
` (121 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dan Carpenter, Konstantin Komarov
From: Dan Carpenter <dan.carpenter@oracle.com>
commit d4073595d0c61463ec3a87411b19e2a90f76d3f8 upstream.
The goto out calls kfree(value) on an uninitialized pointer. Just
return directly as the other error paths do.
Fixes: 460bbf2990b3 ("fs/ntfs3: Do not change mode if ntfs_set_ea failed")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/ntfs3/xattr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ntfs3/xattr.c
+++ b/fs/ntfs3/xattr.c
@@ -561,7 +561,7 @@ static noinline int ntfs_set_acl_ex(stru
err = posix_acl_update_mode(mnt_userns, inode, &mode,
&acl);
if (err)
- goto out;
+ return err;
}
name = XATTR_NAME_POSIX_ACL_ACCESS;
name_len = sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 125/244] netfilter: nf_tables: disallow NFTA_SET_ELEM_KEY_END with NFT_SET_ELEM_INTERVAL_END flag
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (123 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 124/244] fs/ntfs3: uninitialized variable in ntfs_set_acl_ex() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 126/244] netfilter: nf_tables: possible module reference underflow in error path Greg Kroah-Hartman
` (120 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 4963674c2e71fc062f8f089f0f58ffbb5533060b upstream.
These are mutually exclusive, actually NFTA_SET_ELEM_KEY_END replaces
the flag notation.
Fixes: 7b225d0b5c6d ("netfilter: nf_tables: add NFTA_SET_ELEM_KEY_END attribute")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5768,6 +5768,7 @@ static int nft_add_set_elem(struct nft_c
nla[NFTA_SET_ELEM_EXPIRATION] ||
nla[NFTA_SET_ELEM_USERDATA] ||
nla[NFTA_SET_ELEM_EXPR] ||
+ nla[NFTA_SET_ELEM_KEY_END] ||
nla[NFTA_SET_ELEM_EXPRESSIONS]))
return -EINVAL;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 126/244] netfilter: nf_tables: possible module reference underflow in error path
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (124 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 125/244] netfilter: nf_tables: disallow NFTA_SET_ELEM_KEY_END with NFT_SET_ELEM_INTERVAL_END flag Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 127/244] netfilter: nf_tables: really skip inactive sets when allocating name Greg Kroah-Hartman
` (119 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit c485c35ff6783ccd12c160fcac6a0e504e83e0bf upstream.
dst->ops is set on when nft_expr_clone() fails, but module refcount has
not been bumped yet, therefore nft_expr_destroy() leads to module
reference underflow.
Fixes: 8cfd9b0f8515 ("netfilter: nftables: generalize set expressions support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5479,7 +5479,7 @@ int nft_set_elem_expr_clone(const struct
err = nft_expr_clone(expr, set->exprs[i]);
if (err < 0) {
- nft_expr_destroy(ctx, expr);
+ kfree(expr);
goto err_expr;
}
expr_array[i] = expr;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 127/244] netfilter: nf_tables: really skip inactive sets when allocating name
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (125 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 126/244] netfilter: nf_tables: possible module reference underflow in error path Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 128/244] netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag Greg Kroah-Hartman
` (118 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 271c5ca826e0c3c53e0eb4032f8eaedea1ee391c upstream.
While looping to build the bitmap of used anonymous set names, check the
current set in the iteration, instead of the one that is being created.
Fixes: 37a9cc525525 ("netfilter: nf_tables: add generation mask to sets")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3810,7 +3810,7 @@ cont:
list_for_each_entry(i, &ctx->table->sets, list) {
int tmp;
- if (!nft_is_active_next(ctx->net, set))
+ if (!nft_is_active_next(ctx->net, i))
continue;
if (!sscanf(i->name, name, &tmp))
continue;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 128/244] netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (126 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 127/244] netfilter: nf_tables: really skip inactive sets when allocating name Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 129/244] netfilter: nf_tables: NFTA_SET_ELEM_KEY_END requires concat and interval flags Greg Kroah-Hartman
` (117 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 5a2f3dc31811e93be15522d9eb13ed61460b76c8 upstream.
If the NFTA_SET_ELEM_OBJREF netlink attribute is present and
NFT_SET_OBJECT flag is set on, report EINVAL.
Move existing sanity check earlier to validate that NFT_SET_OBJECT
requires NFTA_SET_ELEM_OBJREF.
Fixes: 8aeff920dcc9 ("netfilter: nf_tables: add stateful object reference to set elements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5761,6 +5761,15 @@ static int nft_add_set_elem(struct nft_c
return -EINVAL;
}
+ if (set->flags & NFT_SET_OBJECT) {
+ if (!nla[NFTA_SET_ELEM_OBJREF] &&
+ !(flags & NFT_SET_ELEM_INTERVAL_END))
+ return -EINVAL;
+ } else {
+ if (nla[NFTA_SET_ELEM_OBJREF])
+ return -EINVAL;
+ }
+
if ((flags & NFT_SET_ELEM_INTERVAL_END) &&
(nla[NFTA_SET_ELEM_DATA] ||
nla[NFTA_SET_ELEM_OBJREF] ||
@@ -5899,10 +5908,6 @@ static int nft_add_set_elem(struct nft_c
}
if (nla[NFTA_SET_ELEM_OBJREF] != NULL) {
- if (!(set->flags & NFT_SET_OBJECT)) {
- err = -EINVAL;
- goto err_parse_key_end;
- }
obj = nft_obj_lookup(ctx->net, ctx->table,
nla[NFTA_SET_ELEM_OBJREF],
set->objtype, genmask);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 129/244] netfilter: nf_tables: NFTA_SET_ELEM_KEY_END requires concat and interval flags
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (127 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 128/244] netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 130/244] netfilter: nf_tables: disallow NFT_SET_ELEM_CATCHALL and NFT_SET_ELEM_INTERVAL_END Greg Kroah-Hartman
` (116 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 88cccd908d51397f9754f89a937cd13fa59dee37 upstream.
If the NFT_SET_CONCAT|NFT_SET_INTERVAL flags are set on, then the
netlink attribute NFTA_SET_ELEM_KEY_END must be specified. Otherwise,
NFTA_SET_ELEM_KEY_END should not be present.
For catch-all element, NFTA_SET_ELEM_KEY_END should not be present.
The NFT_SET_ELEM_INTERVAL_END is never used with this set flags
combination.
Fixes: 7b225d0b5c6d ("netfilter: nf_tables: add NFTA_SET_ELEM_KEY_END attribute")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5711,6 +5711,24 @@ static void nft_setelem_remove(const str
set->ops->remove(net, set, elem);
}
+static bool nft_setelem_valid_key_end(const struct nft_set *set,
+ struct nlattr **nla, u32 flags)
+{
+ if ((set->flags & (NFT_SET_CONCAT | NFT_SET_INTERVAL)) ==
+ (NFT_SET_CONCAT | NFT_SET_INTERVAL)) {
+ if (flags & NFT_SET_ELEM_INTERVAL_END)
+ return false;
+ if (!nla[NFTA_SET_ELEM_KEY_END] &&
+ !(flags & NFT_SET_ELEM_CATCHALL))
+ return false;
+ } else {
+ if (nla[NFTA_SET_ELEM_KEY_END])
+ return false;
+ }
+
+ return true;
+}
+
static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
const struct nlattr *attr, u32 nlmsg_flags)
{
@@ -5770,6 +5788,9 @@ static int nft_add_set_elem(struct nft_c
return -EINVAL;
}
+ if (!nft_setelem_valid_key_end(set, nla, flags))
+ return -EINVAL;
+
if ((flags & NFT_SET_ELEM_INTERVAL_END) &&
(nla[NFTA_SET_ELEM_DATA] ||
nla[NFTA_SET_ELEM_OBJREF] ||
@@ -6192,6 +6213,9 @@ static int nft_del_setelem(struct nft_ct
if (!nla[NFTA_SET_ELEM_KEY] && !(flags & NFT_SET_ELEM_CATCHALL))
return -EINVAL;
+ if (!nft_setelem_valid_key_end(set, nla, flags))
+ return -EINVAL;
+
nft_set_ext_prepare(&tmpl);
if (flags != 0) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 130/244] netfilter: nf_tables: disallow NFT_SET_ELEM_CATCHALL and NFT_SET_ELEM_INTERVAL_END
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (128 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 129/244] netfilter: nf_tables: NFTA_SET_ELEM_KEY_END requires concat and interval flags Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 131/244] netfilter: nf_tables: check NFT_SET_CONCAT flag if field_count is specified Greg Kroah-Hartman
` (115 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit fc0ae524b5fd2938c94d56da3f749f11eb3273d5 upstream.
These flags are mutually exclusive, report EINVAL in this case.
Fixes: aaa31047a6d2 ("netfilter: nftables: add catch-all set element support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5101,6 +5101,9 @@ static int nft_setelem_parse_flags(const
if (!(set->flags & NFT_SET_INTERVAL) &&
*flags & NFT_SET_ELEM_INTERVAL_END)
return -EINVAL;
+ if ((*flags & (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL)) ==
+ (NFT_SET_ELEM_INTERVAL_END | NFT_SET_ELEM_CATCHALL))
+ return -EINVAL;
return 0;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 131/244] netfilter: nf_tables: check NFT_SET_CONCAT flag if field_count is specified
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (129 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 130/244] netfilter: nf_tables: disallow NFT_SET_ELEM_CATCHALL and NFT_SET_ELEM_INTERVAL_END Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 132/244] powerpc/pci: Fix get_phb_number() locking Greg Kroah-Hartman
` (114 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Pablo Neira Ayuso
From: Pablo Neira Ayuso <pablo@netfilter.org>
commit 1b6345d4160ecd3d04bd8cd75df90c67811e8cc9 upstream.
Since f3a2181e16f1 ("netfilter: nf_tables: Support for sets with
multiple ranged fields"), it possible to combine intervals and
concatenations. Later on, ef516e8625dd ("netfilter: nf_tables:
reintroduce the NFT_SET_CONCAT flag") provides the NFT_SET_CONCAT flag
for userspace to report that the set stores a concatenation.
Make sure NFT_SET_CONCAT is set on if field_count is specified for
consistency. Otherwise, if NFT_SET_CONCAT is specified with no
field_count, bail out with EINVAL.
Fixes: ef516e8625dd ("netfilter: nf_tables: reintroduce the NFT_SET_CONCAT flag")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netfilter/nf_tables_api.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4354,6 +4354,11 @@ static int nf_tables_newset(struct sk_bu
err = nf_tables_set_desc_parse(&desc, nla[NFTA_SET_DESC]);
if (err < 0)
return err;
+
+ if (desc.field_count > 1 && !(flags & NFT_SET_CONCAT))
+ return -EINVAL;
+ } else if (flags & NFT_SET_CONCAT) {
+ return -EINVAL;
}
if (nla[NFTA_SET_EXPR] || nla[NFTA_SET_EXPRESSIONS])
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 132/244] powerpc/pci: Fix get_phb_number() locking
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (130 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 131/244] netfilter: nf_tables: check NFT_SET_CONCAT flag if field_count is specified Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 133/244] spi: meson-spicc: add local pow2 clock ops to preserve rate between messages Greg Kroah-Hartman
` (113 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Guenter Roeck, Michael Ellerman
From: Michael Ellerman <mpe@ellerman.id.au>
commit 8d48562a2729742f767b0fdd994d6b2a56a49c63 upstream.
The recent change to get_phb_number() causes a DEBUG_ATOMIC_SLEEP
warning on some systems:
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by swapper/1:
#0: c157efb0 (hose_spinlock){+.+.}-{2:2}, at: pcibios_alloc_controller+0x64/0x220
Preemption disabled at:
[<00000000>] 0x0
CPU: 0 PID: 1 Comm: swapper Not tainted 5.19.0-yocto-standard+ #1
Call Trace:
[d101dc90] [c073b264] dump_stack_lvl+0x50/0x8c (unreliable)
[d101dcb0] [c0093b70] __might_resched+0x258/0x2a8
[d101dcd0] [c0d3e634] __mutex_lock+0x6c/0x6ec
[d101dd50] [c0a84174] of_alias_get_id+0x50/0xf4
[d101dd80] [c002ec78] pcibios_alloc_controller+0x1b8/0x220
[d101ddd0] [c140c9dc] pmac_pci_init+0x198/0x784
[d101de50] [c140852c] discover_phbs+0x30/0x4c
[d101de60] [c0007fd4] do_one_initcall+0x94/0x344
[d101ded0] [c1403b40] kernel_init_freeable+0x1a8/0x22c
[d101df10] [c00086e0] kernel_init+0x34/0x160
[d101df30] [c001b334] ret_from_kernel_thread+0x5c/0x64
This is because pcibios_alloc_controller() holds hose_spinlock but
of_alias_get_id() takes of_mutex which can sleep.
The hose_spinlock protects the phb_bitmap, and also the hose_list, but
it doesn't need to be held while get_phb_number() calls the OF routines,
because those are only looking up information in the device tree.
So fix it by having get_phb_number() take the hose_spinlock itself, only
where required, and then dropping the lock before returning.
pcibios_alloc_controller() then needs to take the lock again before the
list_add() but that's safe, the order of the list is not important.
Fixes: 0fe1e96fef0a ("powerpc/pci: Prefer PCI domain assignment via DT 'linux,pci-domain' and alias")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220815065550.1303620-1-mpe@ellerman.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
arch/powerpc/kernel/pci-common.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -67,10 +67,6 @@ void set_pci_dma_ops(const struct dma_ma
pci_dma_ops = dma_ops;
}
-/*
- * This function should run under locking protection, specifically
- * hose_spinlock.
- */
static int get_phb_number(struct device_node *dn)
{
int ret, phb_id = -1;
@@ -107,15 +103,20 @@ static int get_phb_number(struct device_
if (!ret)
phb_id = (int)(prop & (MAX_PHBS - 1));
+ spin_lock(&hose_spinlock);
+
/* We need to be sure to not use the same PHB number twice. */
if ((phb_id >= 0) && !test_and_set_bit(phb_id, phb_bitmap))
- return phb_id;
+ goto out_unlock;
/* If everything fails then fallback to dynamic PHB numbering. */
phb_id = find_first_zero_bit(phb_bitmap, MAX_PHBS);
BUG_ON(phb_id >= MAX_PHBS);
set_bit(phb_id, phb_bitmap);
+out_unlock:
+ spin_unlock(&hose_spinlock);
+
return phb_id;
}
@@ -126,10 +127,13 @@ struct pci_controller *pcibios_alloc_con
phb = zalloc_maybe_bootmem(sizeof(struct pci_controller), GFP_KERNEL);
if (phb == NULL)
return NULL;
- spin_lock(&hose_spinlock);
+
phb->global_number = get_phb_number(dev);
+
+ spin_lock(&hose_spinlock);
list_add_tail(&phb->list_node, &hose_list);
spin_unlock(&hose_spinlock);
+
phb->dn = dev;
phb->is_dynamic = slab_is_available();
#ifdef CONFIG_PPC64
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 133/244] spi: meson-spicc: add local pow2 clock ops to preserve rate between messages
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (131 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 132/244] powerpc/pci: Fix get_phb_number() locking Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 134/244] net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change() Greg Kroah-Hartman
` (112 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Da Xue, Neil Armstrong, Mark Brown
From: Neil Armstrong <narmstrong@baylibre.com>
commit 09992025dacd258c823f50e82db09d7ef06cdac4 upstream.
At the end of a message, the HW gets a reset in meson_spicc_unprepare_transfer(),
this resets the SPICC_CONREG register and notably the value set by the
Common Clock Framework.
This is problematic because:
- the register value CCF can be different from the corresponding CCF cached rate
- CCF is allowed to change the clock rate whenever the HW state
This introduces:
- local pow2 clock ops checking the HW state before allowing a clock operation
- separation of legacy pow2 clock patch and new enhanced clock path
- SPICC_CONREG datarate value is now value kepts across messages
It has been checked that:
- SPICC_CONREG datarate value is kept across messages
- CCF is only allowed to change the SPICC_CONREG datarate value when busy
- SPICC_CONREG datarate value is correct for each transfer
This didn't appear before commit 3e0cf4d3fc29 ("spi: meson-spicc: add a linear clock divider support")
because we recalculated and wrote the rate for each xfer.
Fixes: 3e0cf4d3fc29 ("spi: meson-spicc: add a linear clock divider support")
Reported-by: Da Xue <da@libre.computer>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220811134445.678446-1-narmstrong@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/spi/spi-meson-spicc.c | 129 ++++++++++++++++++++++++++++++++----------
1 file changed, 101 insertions(+), 28 deletions(-)
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -156,6 +156,7 @@ struct meson_spicc_device {
void __iomem *base;
struct clk *core;
struct clk *pclk;
+ struct clk_divider pow2_div;
struct clk *clk;
struct spi_message *message;
struct spi_transfer *xfer;
@@ -168,6 +169,8 @@ struct meson_spicc_device {
unsigned long xfer_remain;
};
+#define pow2_clk_to_spicc(_div) container_of(_div, struct meson_spicc_device, pow2_div)
+
static void meson_spicc_oen_enable(struct meson_spicc_device *spicc)
{
u32 conf;
@@ -421,7 +424,7 @@ static int meson_spicc_prepare_message(s
{
struct meson_spicc_device *spicc = spi_master_get_devdata(master);
struct spi_device *spi = message->spi;
- u32 conf = 0;
+ u32 conf = readl_relaxed(spicc->base + SPICC_CONREG) & SPICC_DATARATE_MASK;
/* Store current message */
spicc->message = message;
@@ -458,8 +461,6 @@ static int meson_spicc_prepare_message(s
/* Select CS */
conf |= FIELD_PREP(SPICC_CS_MASK, spi->chip_select);
- /* Default Clock rate core/4 */
-
/* Default 8bit word */
conf |= FIELD_PREP(SPICC_BITLENGTH_MASK, 8 - 1);
@@ -476,12 +477,16 @@ static int meson_spicc_prepare_message(s
static int meson_spicc_unprepare_transfer(struct spi_master *master)
{
struct meson_spicc_device *spicc = spi_master_get_devdata(master);
+ u32 conf = readl_relaxed(spicc->base + SPICC_CONREG) & SPICC_DATARATE_MASK;
/* Disable all IRQs */
writel(0, spicc->base + SPICC_INTREG);
device_reset_optional(&spicc->pdev->dev);
+ /* Set default configuration, keeping datarate field */
+ writel_relaxed(conf, spicc->base + SPICC_CONREG);
+
return 0;
}
@@ -518,14 +523,60 @@ static void meson_spicc_cleanup(struct s
* Clk path for G12A series:
* pclk -> pow2 fixed div -> pow2 div -> mux -> out
* pclk -> enh fixed div -> enh div -> mux -> out
+ *
+ * The pow2 divider is tied to the controller HW state, and the
+ * divider is only valid when the controller is initialized.
+ *
+ * A set of clock ops is added to make sure we don't read/set this
+ * clock rate while the controller is in an unknown state.
*/
-static int meson_spicc_clk_init(struct meson_spicc_device *spicc)
+static unsigned long meson_spicc_pow2_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_divider *divider = to_clk_divider(hw);
+ struct meson_spicc_device *spicc = pow2_clk_to_spicc(divider);
+
+ if (!spicc->master->cur_msg || !spicc->master->busy)
+ return 0;
+
+ return clk_divider_ops.recalc_rate(hw, parent_rate);
+}
+
+static int meson_spicc_pow2_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
+{
+ struct clk_divider *divider = to_clk_divider(hw);
+ struct meson_spicc_device *spicc = pow2_clk_to_spicc(divider);
+
+ if (!spicc->master->cur_msg || !spicc->master->busy)
+ return -EINVAL;
+
+ return clk_divider_ops.determine_rate(hw, req);
+}
+
+static int meson_spicc_pow2_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_divider *divider = to_clk_divider(hw);
+ struct meson_spicc_device *spicc = pow2_clk_to_spicc(divider);
+
+ if (!spicc->master->cur_msg || !spicc->master->busy)
+ return -EINVAL;
+
+ return clk_divider_ops.set_rate(hw, rate, parent_rate);
+}
+
+const struct clk_ops meson_spicc_pow2_clk_ops = {
+ .recalc_rate = meson_spicc_pow2_recalc_rate,
+ .determine_rate = meson_spicc_pow2_determine_rate,
+ .set_rate = meson_spicc_pow2_set_rate,
+};
+
+static int meson_spicc_pow2_clk_init(struct meson_spicc_device *spicc)
{
struct device *dev = &spicc->pdev->dev;
- struct clk_fixed_factor *pow2_fixed_div, *enh_fixed_div;
- struct clk_divider *pow2_div, *enh_div;
- struct clk_mux *mux;
+ struct clk_fixed_factor *pow2_fixed_div;
struct clk_init_data init;
struct clk *clk;
struct clk_parent_data parent_data[2];
@@ -560,31 +611,45 @@ static int meson_spicc_clk_init(struct m
if (WARN_ON(IS_ERR(clk)))
return PTR_ERR(clk);
- pow2_div = devm_kzalloc(dev, sizeof(*pow2_div), GFP_KERNEL);
- if (!pow2_div)
- return -ENOMEM;
-
snprintf(name, sizeof(name), "%s#pow2_div", dev_name(dev));
init.name = name;
- init.ops = &clk_divider_ops;
- init.flags = CLK_SET_RATE_PARENT;
+ init.ops = &meson_spicc_pow2_clk_ops;
+ /*
+ * Set NOCACHE here to make sure we read the actual HW value
+ * since we reset the HW after each transfer.
+ */
+ init.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE;
parent_data[0].hw = &pow2_fixed_div->hw;
init.num_parents = 1;
- pow2_div->shift = 16,
- pow2_div->width = 3,
- pow2_div->flags = CLK_DIVIDER_POWER_OF_TWO,
- pow2_div->reg = spicc->base + SPICC_CONREG;
- pow2_div->hw.init = &init;
+ spicc->pow2_div.shift = 16,
+ spicc->pow2_div.width = 3,
+ spicc->pow2_div.flags = CLK_DIVIDER_POWER_OF_TWO,
+ spicc->pow2_div.reg = spicc->base + SPICC_CONREG;
+ spicc->pow2_div.hw.init = &init;
- clk = devm_clk_register(dev, &pow2_div->hw);
- if (WARN_ON(IS_ERR(clk)))
- return PTR_ERR(clk);
+ spicc->clk = devm_clk_register(dev, &spicc->pow2_div.hw);
+ if (WARN_ON(IS_ERR(spicc->clk)))
+ return PTR_ERR(spicc->clk);
- if (!spicc->data->has_enhance_clk_div) {
- spicc->clk = clk;
- return 0;
- }
+ return 0;
+}
+
+static int meson_spicc_enh_clk_init(struct meson_spicc_device *spicc)
+{
+ struct device *dev = &spicc->pdev->dev;
+ struct clk_fixed_factor *enh_fixed_div;
+ struct clk_divider *enh_div;
+ struct clk_mux *mux;
+ struct clk_init_data init;
+ struct clk *clk;
+ struct clk_parent_data parent_data[2];
+ char name[64];
+
+ memset(&init, 0, sizeof(init));
+ memset(&parent_data, 0, sizeof(parent_data));
+
+ init.parent_data = parent_data;
/* algorithm for enh div: rate = freq / 2 / (N + 1) */
@@ -637,7 +702,7 @@ static int meson_spicc_clk_init(struct m
snprintf(name, sizeof(name), "%s#sel", dev_name(dev));
init.name = name;
init.ops = &clk_mux_ops;
- parent_data[0].hw = &pow2_div->hw;
+ parent_data[0].hw = &spicc->pow2_div.hw;
parent_data[1].hw = &enh_div->hw;
init.num_parents = 2;
init.flags = CLK_SET_RATE_PARENT;
@@ -754,12 +819,20 @@ static int meson_spicc_probe(struct plat
meson_spicc_oen_enable(spicc);
- ret = meson_spicc_clk_init(spicc);
+ ret = meson_spicc_pow2_clk_init(spicc);
if (ret) {
- dev_err(&pdev->dev, "clock registration failed\n");
+ dev_err(&pdev->dev, "pow2 clock registration failed\n");
goto out_clk;
}
+ if (spicc->data->has_enhance_clk_div) {
+ ret = meson_spicc_enh_clk_init(spicc);
+ if (ret) {
+ dev_err(&pdev->dev, "clock registration failed\n");
+ goto out_clk;
+ }
+ }
+
ret = devm_spi_register_master(&pdev->dev, master);
if (ret) {
dev_err(&pdev->dev, "spi master registration failed\n");
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 134/244] net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (132 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 133/244] spi: meson-spicc: add local pow2 clock ops to preserve rate between messages Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 135/244] net: dsa: mv88e6060: prevent crash on an unused port Greg Kroah-Hartman
` (111 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Xin Xiong, Xin Tan, David S. Miller
From: Xin Xiong <xiongx18@fudan.edu.cn>
commit bfc48f1b0505ffcb03a6d749139b7577d6b81ae0 upstream.
The issue happens on some error handling paths. When the function
fails to grab the object `xprt`, it simply returns 0, forgetting to
decrease the reference count of another object `xps`, which is
increased by rpc_sysfs_xprt_kobj_get_xprt_switch(), causing refcount
leaks. Also, the function forgets to check whether `xps` is valid
before using it, which may result in NULL-dereferencing issues.
Fix it by adding proper error handling code when either `xprt` or
`xps` is NULL.
Fixes: 5b7eb78486cd ("SUNRPC: take a xprt offline using sysfs")
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/sunrpc/sysfs.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -282,8 +282,10 @@ static ssize_t rpc_sysfs_xprt_state_chan
int offline = 0, online = 0, remove = 0;
struct rpc_xprt_switch *xps = rpc_sysfs_xprt_kobj_get_xprt_switch(kobj);
- if (!xprt)
- return 0;
+ if (!xprt || !xps) {
+ count = 0;
+ goto out_put;
+ }
if (!strncmp(buf, "offline", 7))
offline = 1;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 135/244] net: dsa: mv88e6060: prevent crash on an unused port
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (133 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 134/244] net/sunrpc: fix potential memory leaks in rpc_sysfs_xprt_state_change() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 136/244] mlxsw: spectrum: Clear PTP configuration after unregistering the netdevice Greg Kroah-Hartman
` (110 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Vivien Didelot, Florian Fainelli,
Sergei Antonov, Vladimir Oltean, Jakub Kicinski
From: Sergei Antonov <saproj@gmail.com>
commit 246bbf2f977ea36aaf41f5d24370fef433250728 upstream.
If the port isn't a CPU port nor a user port, 'cpu_dp'
is a null pointer and a crash happened on dereferencing
it in mv88e6060_setup_port():
[ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014
...
[ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84
[ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54
[ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0
[ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c
[ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c
[ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0
[ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184
[ 9.986632] __device_attach from bus_probe_device+0x8c/0x94
[ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8
[ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c
[ 10.006292] process_one_work from worker_thread+0x30/0x4b8
[ 10.012155] worker_thread from kthread+0xd4/0x10c
[ 10.017238] kthread from ret_from_fork+0x14/0x3c
Fixes: 0abfd494deef ("net: dsa: use dedicated CPU port")
CC: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
CC: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Sergei Antonov <saproj@gmail.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20220811070939.1717146-1-saproj@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/dsa/mv88e6060.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -118,6 +118,9 @@ static int mv88e6060_setup_port(struct m
int addr = REG_PORT(p);
int ret;
+ if (dsa_is_unused_port(priv->ds, p))
+ return 0;
+
/* Do not force flow control, disable Ingress and Egress
* Header tagging, disable VLAN tunneling, and set the port
* state to Forwarding. Additionally, if this is the CPU
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 136/244] mlxsw: spectrum: Clear PTP configuration after unregistering the netdevice
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (134 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 135/244] net: dsa: mv88e6060: prevent crash on an unused port Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 137/244] net: moxa: pass pdev instead of ndev to DMA functions Greg Kroah-Hartman
` (109 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Amit Cohen, Ido Schimmel,
Petr Machata, David S. Miller
From: Amit Cohen <amcohen@nvidia.com>
commit a159e986ad26d3f35c0157ac92760ba5e44e6785 upstream.
Currently as part of removing port, PTP API is called to clear the
existing configuration and set the 'rx_filter' and 'tx_type' to zero.
The clearing is done before unregistering the netdevice, which means that
there is a window of time in which the user can reconfigure PTP in the
port, and this configuration will not be cleared.
Reorder the operations, clear PTP configuration after unregistering the
netdevice.
Fixes: 8748642751ede ("mlxsw: spectrum: PTP: Support SIOCGHWTSTAMP, SIOCSHWTSTAMP ioctls")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -1730,9 +1730,9 @@ static void mlxsw_sp_port_remove(struct
cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
- mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
+ mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, true);
mlxsw_sp->ports[local_port] = NULL;
mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 137/244] net: moxa: pass pdev instead of ndev to DMA functions
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (135 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 136/244] mlxsw: spectrum: Clear PTP configuration after unregistering the netdevice Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 138/244] net: fix potential refcount leak in ndisc_router_discovery() Greg Kroah-Hartman
` (108 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sergei Antonov, Andrew Lunn, Jakub Kicinski
From: Sergei Antonov <saproj@gmail.com>
commit 3a12df22a8f68954a4ba48435c06b3d1791c87c4 upstream.
dma_map_single() calls fail in moxart_mac_setup_desc_ring() and
moxart_mac_start_xmit() which leads to an incessant output of this:
[ 16.043925] moxart-ethernet 92000000.mac eth0: DMA mapping error
[ 16.050957] moxart-ethernet 92000000.mac eth0: DMA mapping error
[ 16.058229] moxart-ethernet 92000000.mac eth0: DMA mapping error
Passing pdev to DMA is a common approach among net drivers.
Fixes: 6c821bd9edc9 ("net: Add MOXA ART SoCs ethernet driver")
Signed-off-by: Sergei Antonov <saproj@gmail.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220812171339.2271788-1-saproj@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/moxa/moxart_ether.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -77,7 +77,7 @@ static void moxart_mac_free_memory(struc
int i;
for (i = 0; i < RX_DESC_NUM; i++)
- dma_unmap_single(&ndev->dev, priv->rx_mapping[i],
+ dma_unmap_single(&priv->pdev->dev, priv->rx_mapping[i],
priv->rx_buf_size, DMA_FROM_DEVICE);
if (priv->tx_desc_base)
@@ -147,11 +147,11 @@ static void moxart_mac_setup_desc_ring(s
desc + RX_REG_OFFSET_DESC1);
priv->rx_buf[i] = priv->rx_buf_base + priv->rx_buf_size * i;
- priv->rx_mapping[i] = dma_map_single(&ndev->dev,
+ priv->rx_mapping[i] = dma_map_single(&priv->pdev->dev,
priv->rx_buf[i],
priv->rx_buf_size,
DMA_FROM_DEVICE);
- if (dma_mapping_error(&ndev->dev, priv->rx_mapping[i]))
+ if (dma_mapping_error(&priv->pdev->dev, priv->rx_mapping[i]))
netdev_err(ndev, "DMA mapping error\n");
moxart_desc_write(priv->rx_mapping[i],
@@ -240,7 +240,7 @@ static int moxart_rx_poll(struct napi_st
if (len > RX_BUF_SIZE)
len = RX_BUF_SIZE;
- dma_sync_single_for_cpu(&ndev->dev,
+ dma_sync_single_for_cpu(&priv->pdev->dev,
priv->rx_mapping[rx_head],
priv->rx_buf_size, DMA_FROM_DEVICE);
skb = netdev_alloc_skb_ip_align(ndev, len);
@@ -294,7 +294,7 @@ static void moxart_tx_finished(struct ne
unsigned int tx_tail = priv->tx_tail;
while (tx_tail != tx_head) {
- dma_unmap_single(&ndev->dev, priv->tx_mapping[tx_tail],
+ dma_unmap_single(&priv->pdev->dev, priv->tx_mapping[tx_tail],
priv->tx_len[tx_tail], DMA_TO_DEVICE);
ndev->stats.tx_packets++;
@@ -358,9 +358,9 @@ static netdev_tx_t moxart_mac_start_xmit
len = skb->len > TX_BUF_SIZE ? TX_BUF_SIZE : skb->len;
- priv->tx_mapping[tx_head] = dma_map_single(&ndev->dev, skb->data,
+ priv->tx_mapping[tx_head] = dma_map_single(&priv->pdev->dev, skb->data,
len, DMA_TO_DEVICE);
- if (dma_mapping_error(&ndev->dev, priv->tx_mapping[tx_head])) {
+ if (dma_mapping_error(&priv->pdev->dev, priv->tx_mapping[tx_head])) {
netdev_err(ndev, "DMA mapping error\n");
goto out_unlock;
}
@@ -379,7 +379,7 @@ static netdev_tx_t moxart_mac_start_xmit
len = ETH_ZLEN;
}
- dma_sync_single_for_device(&ndev->dev, priv->tx_mapping[tx_head],
+ dma_sync_single_for_device(&priv->pdev->dev, priv->tx_mapping[tx_head],
priv->tx_buf_size, DMA_TO_DEVICE);
txdes1 = TX_DESC1_LTS | TX_DESC1_FTS | (len & TX_DESC1_BUF_SIZE_MASK);
@@ -493,7 +493,7 @@ static int moxart_mac_probe(struct platf
priv->tx_buf_size = TX_BUF_SIZE;
priv->rx_buf_size = RX_BUF_SIZE;
- priv->tx_desc_base = dma_alloc_coherent(&pdev->dev, TX_REG_DESC_SIZE *
+ priv->tx_desc_base = dma_alloc_coherent(p_dev, TX_REG_DESC_SIZE *
TX_DESC_NUM, &priv->tx_base,
GFP_DMA | GFP_KERNEL);
if (!priv->tx_desc_base) {
@@ -501,7 +501,7 @@ static int moxart_mac_probe(struct platf
goto init_fail;
}
- priv->rx_desc_base = dma_alloc_coherent(&pdev->dev, RX_REG_DESC_SIZE *
+ priv->rx_desc_base = dma_alloc_coherent(p_dev, RX_REG_DESC_SIZE *
RX_DESC_NUM, &priv->rx_base,
GFP_DMA | GFP_KERNEL);
if (!priv->rx_desc_base) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 138/244] net: fix potential refcount leak in ndisc_router_discovery()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (136 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 137/244] net: moxa: pass pdev instead of ndev to DMA functions Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 139/244] net: dsa: microchip: ksz9477: fix fdb_dump last invalid entry Greg Kroah-Hartman
` (107 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Xin Xiong, Xin Tan, David S. Miller
From: Xin Xiong <xiongx18@fudan.edu.cn>
commit 7396ba87f1edf549284869451665c7c4e74ecd4f upstream.
The issue happens on specific paths in the function. After both the
object `rt` and `neigh` are grabbed successfully, when `lifetime` is
nonzero but the metric needs change, the function just deletes the
route and set `rt` to NULL. Then, it may try grabbing `rt` and `neigh`
again if above conditions hold. The function simply overwrite `neigh`
if succeeds or returns if fails, without decreasing the reference
count of previous `neigh`. This may result in memory leaks.
Fix it by decrementing the reference count of `neigh` in place.
Fixes: 6b2e04bc240f ("net: allow user to set metric on default route learned via Router Advertisement")
Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv6/ndisc.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1317,6 +1317,9 @@ static void ndisc_router_discovery(struc
if (!rt && lifetime) {
ND_PRINTK(3, info, "RA: adding default router\n");
+ if (neigh)
+ neigh_release(neigh);
+
rt = rt6_add_dflt_router(net, &ipv6_hdr(skb)->saddr,
skb->dev, pref, defrtr_usr_metric);
if (!rt) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 139/244] net: dsa: microchip: ksz9477: fix fdb_dump last invalid entry
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (137 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 138/244] net: fix potential refcount leak in ndisc_router_discovery() Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:24 ` [PATCH 5.15 140/244] net: dsa: felix: fix ethtool 256-511 and 512-1023 TX packet counters Greg Kroah-Hartman
` (106 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Arun Ramadoss, Vladimir Oltean,
Jakub Kicinski
From: Arun Ramadoss <arun.ramadoss@microchip.com>
commit 36c0d935015766bf20d621c18313f17691bda5e3 upstream.
In the ksz9477_fdb_dump function it reads the ALU control register and
exit from the timeout loop if there is valid entry or search is
complete. After exiting the loop, it reads the alu entry and report to
the user space irrespective of entry is valid. It works till the valid
entry. If the loop exited when search is complete, it reads the alu
table. The table returns all ones and it is reported to user space. So
bridge fdb show gives ff:ff:ff:ff:ff:ff as last entry for every port.
To fix it, after exiting the loop the entry is reported only if it is
valid one.
Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477")
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20220816105516.18350-1-arun.ramadoss@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/dsa/microchip/ksz9477.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -759,6 +759,9 @@ static int ksz9477_port_fdb_dump(struct
goto exit;
}
+ if (!(ksz_data & ALU_VALID))
+ continue;
+
/* read ALU table */
ksz9477_read_table(dev, alu_table);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 140/244] net: dsa: felix: fix ethtool 256-511 and 512-1023 TX packet counters
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (138 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 139/244] net: dsa: microchip: ksz9477: fix fdb_dump last invalid entry Greg Kroah-Hartman
@ 2022-08-23 8:24 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 141/244] net: genl: fix error path memory leak in policy dumping Greg Kroah-Hartman
` (105 subsequent siblings)
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From: Greg Kroah-Hartman @ 2022-08-23 8:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Vladimir Oltean, Jakub Kicinski
From: Vladimir Oltean <vladimir.oltean@nxp.com>
commit 40d21c4565bce064c73a03b79a157a3493c518b9 upstream.
What the driver actually reports as 256-511 is in fact 512-1023, and the
TX packets in the 256-511 bucket are not reported. Fix that.
Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/dsa/ocelot/felix_vsc9959.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -578,7 +578,8 @@ static const struct ocelot_stat_layout v
{ .offset = 0x87, .name = "tx_frames_below_65_octets", },
{ .offset = 0x88, .name = "tx_frames_65_to_127_octets", },
{ .offset = 0x89, .name = "tx_frames_128_255_octets", },
- { .offset = 0x8B, .name = "tx_frames_256_511_octets", },
+ { .offset = 0x8A, .name = "tx_frames_256_511_octets", },
+ { .offset = 0x8B, .name = "tx_frames_512_1023_octets", },
{ .offset = 0x8C, .name = "tx_frames_1024_1526_octets", },
{ .offset = 0x8D, .name = "tx_frames_over_1526_octets", },
{ .offset = 0x8E, .name = "tx_yellow_prio_0", },
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 141/244] net: genl: fix error path memory leak in policy dumping
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (139 preceding siblings ...)
2022-08-23 8:24 ` [PATCH 5.15 140/244] net: dsa: felix: fix ethtool 256-511 and 512-1023 TX packet counters Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 142/244] net: dsa: dont warn in dsa_port_set_state_now() when driver doesnt support it Greg Kroah-Hartman
` (104 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, syzbot+dc54d9ba8153b216cae0, Jakub Kicinski
From: Jakub Kicinski <kuba@kernel.org>
commit 249801360db3dec4f73768c502192020bfddeacc upstream.
If construction of the array of policies fails when recording
non-first policy we need to unwind.
netlink_policy_dump_add_policy() itself also needs fixing as
it currently gives up on error without recording the allocated
pointer in the pstate pointer.
Reported-by: syzbot+dc54d9ba8153b216cae0@syzkaller.appspotmail.com
Fixes: 50a896cf2d6f ("genetlink: properly support per-op policy dumping")
Link: https://lore.kernel.org/r/20220816161939.577583-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/netlink/genetlink.c | 6 +++++-
net/netlink/policy.c | 14 ++++++++++++--
2 files changed, 17 insertions(+), 3 deletions(-)
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -1174,13 +1174,17 @@ static int ctrl_dumppolicy_start(struct
op.policy,
op.maxattr);
if (err)
- return err;
+ goto err_free_state;
}
}
if (!ctx->state)
return -ENODATA;
return 0;
+
+err_free_state:
+ netlink_policy_dump_free(ctx->state);
+ return err;
}
static void *ctrl_dumppolicy_prep(struct sk_buff *skb,
--- a/net/netlink/policy.c
+++ b/net/netlink/policy.c
@@ -144,7 +144,7 @@ int netlink_policy_dump_add_policy(struc
err = add_policy(&state, policy, maxtype);
if (err)
- return err;
+ goto err_try_undo;
for (policy_idx = 0;
policy_idx < state->n_alloc && state->policies[policy_idx].policy;
@@ -164,7 +164,7 @@ int netlink_policy_dump_add_policy(struc
policy[type].nested_policy,
policy[type].len);
if (err)
- return err;
+ goto err_try_undo;
break;
default:
break;
@@ -174,6 +174,16 @@ int netlink_policy_dump_add_policy(struc
*pstate = state;
return 0;
+
+err_try_undo:
+ /* Try to preserve reasonable unwind semantics - if we're starting from
+ * scratch clean up fully, otherwise record what we got and caller will.
+ */
+ if (!*pstate)
+ netlink_policy_dump_free(state);
+ else
+ *pstate = state;
+ return err;
}
static bool
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 142/244] net: dsa: dont warn in dsa_port_set_state_now() when driver doesnt support it
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (140 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 141/244] net: genl: fix error path memory leak in policy dumping Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 143/244] net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() Greg Kroah-Hartman
` (103 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sergei Antonov, Vladimir Oltean,
Jakub Kicinski
From: Vladimir Oltean <vladimir.oltean@nxp.com>
commit 211987f3ac734000ea1548784b2a4539a974fbc8 upstream.
ds->ops->port_stp_state_set() is, like most DSA methods, optional, and
if absent, the port is supposed to remain in the forwarding state (as
standalone). Such is the case with the mv88e6060 driver, which does not
offload the bridge layer. DSA warns that the STP state can't be changed
to FORWARDING as part of dsa_port_enable_rt(), when in fact it should not.
The error message is also not up to modern standards, so take the
opportunity to make it more descriptive.
Fixes: fd3645413197 ("net: dsa: change scope of STP state setter")
Reported-by: Sergei Antonov <saproj@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Sergei Antonov <saproj@gmail.com>
Link: https://lore.kernel.org/r/20220816201445.1809483-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/dsa/port.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -111,11 +111,14 @@ int dsa_port_set_state(struct dsa_port *
static void dsa_port_set_state_now(struct dsa_port *dp, u8 state,
bool do_fast_age)
{
+ struct dsa_switch *ds = dp->ds;
int err;
err = dsa_port_set_state(dp, state, do_fast_age);
- if (err)
- pr_err("DSA: failed to set STP state %u (%d)\n", state, err);
+ if (err && err != -EOPNOTSUPP) {
+ dev_err(ds->dev, "port %d failed to set STP state %u: %pe\n",
+ dp->index, state, ERR_PTR(err));
+ }
}
int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 143/244] net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (141 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 142/244] net: dsa: dont warn in dsa_port_set_state_now() when driver doesnt support it Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 144/244] ice: Ignore EEXIST when setting promisc mode Greg Kroah-Hartman
` (102 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Rustam Subkhankulov, Jakub Kicinski
From: Rustam Subkhankulov <subkhankulov@ispras.ru>
commit fd8e899cdb5ecaf8e8ee73854a99e10807eef1de upstream.
If an error occurs in dsa_devlink_region_create(), then 'priv->regions'
array will be accessed by negative index '-1'.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Rustam Subkhankulov <subkhankulov@ispras.ru>
Fixes: bf425b82059e ("net: dsa: sja1105: expose static config as devlink region")
Link: https://lore.kernel.org/r/20220817003845.389644-1-subkhankulov@ispras.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/dsa/sja1105/sja1105_devlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/dsa/sja1105/sja1105_devlink.c
+++ b/drivers/net/dsa/sja1105/sja1105_devlink.c
@@ -93,7 +93,7 @@ static int sja1105_setup_devlink_regions
region = dsa_devlink_region_create(ds, ops, 1, size);
if (IS_ERR(region)) {
- while (i-- >= 0)
+ while (--i >= 0)
dsa_devlink_region_destroy(priv->regions[i]);
return PTR_ERR(region);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 144/244] ice: Ignore EEXIST when setting promisc mode
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (142 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 143/244] net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 145/244] i2c: imx: Make sure to unregister adapter on remove() Greg Kroah-Hartman
` (101 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Grzegorz Siwik, Jaroslav Pulchart,
Igor Raits, Tony Nguyen, Gurucharan
From: Grzegorz Siwik <grzegorz.siwik@intel.com>
commit 11e551a2efa4481bd4f616ab75374a2710b480e9 upstream.
Ignore EEXIST error when setting promiscuous mode.
This fix is needed because the driver could set promiscuous mode
when it still has not cleared properly.
Promiscuous mode could be set only once, so setting it second
time will be rejected.
Fixes: 5eda8afd6bcc ("ice: Add support for PF/VF promiscuous mode")
Signed-off-by: Grzegorz Siwik <grzegorz.siwik@intel.com>
Link: https://lore.kernel.org/all/CAK8fFZ7m-KR57M_rYX6xZN39K89O=LGooYkKsu6HKt0Bs+x6xQ@mail.gmail.com/
Tested-by: Jaroslav Pulchart <jaroslav.pulchart@gooddata.com>
Tested-by: Igor Raits <igor@gooddata.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/ice/ice_switch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -2614,7 +2614,7 @@ ice_set_vlan_vsi_promisc(struct ice_hw *
else
status = ice_set_vsi_promisc(hw, vsi_handle,
promisc_mask, vlan_id);
- if (status)
+ if (status && status != -EEXIST)
break;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 145/244] i2c: imx: Make sure to unregister adapter on remove()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (143 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 144/244] ice: Ignore EEXIST when setting promisc mode Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 146/244] regulator: pca9450: Remove restrictions for regulator-name Greg Kroah-Hartman
` (100 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Uwe Kleine-König,
Oleksij Rempel, Wolfram Sang
From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
commit d98bdd3a5b50446d8e010be5b04ce81c4eabf728 upstream.
If for whatever reasons pm_runtime_resume_and_get() fails and .remove() is
exited early, the i2c adapter stays around and the irq still calls its
handler, while the driver data and the register mapping go away. So if
later the i2c adapter is accessed or the irq triggers this results in
havoc accessing freed memory and unmapped registers.
So unregister the software resources even if resume failed, and only skip
the hardware access in that case.
Fixes: 588eb93ea49f ("i2c: imx: add runtime pm support to improve the performance")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/i2c/busses/i2c-imx.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1487,9 +1487,7 @@ static int i2c_imx_remove(struct platfor
struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev);
int irq, ret;
- ret = pm_runtime_resume_and_get(&pdev->dev);
- if (ret < 0)
- return ret;
+ ret = pm_runtime_get_sync(&pdev->dev);
/* remove adapter */
dev_dbg(&i2c_imx->adapter.dev, "adapter removed\n");
@@ -1498,17 +1496,21 @@ static int i2c_imx_remove(struct platfor
if (i2c_imx->dma)
i2c_imx_dma_free(i2c_imx);
- /* setup chip registers to defaults */
- imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IADR);
- imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IFDR);
- imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2CR);
- imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR);
+ if (ret == 0) {
+ /* setup chip registers to defaults */
+ imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IADR);
+ imx_i2c_write_reg(0, i2c_imx, IMX_I2C_IFDR);
+ imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2CR);
+ imx_i2c_write_reg(0, i2c_imx, IMX_I2C_I2SR);
+ clk_disable(i2c_imx->clk);
+ }
clk_notifier_unregister(i2c_imx->clk, &i2c_imx->clk_change_nb);
irq = platform_get_irq(pdev, 0);
if (irq >= 0)
free_irq(irq, i2c_imx);
- clk_disable_unprepare(i2c_imx->clk);
+
+ clk_unprepare(i2c_imx->clk);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 146/244] regulator: pca9450: Remove restrictions for regulator-name
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (144 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 145/244] i2c: imx: Make sure to unregister adapter on remove() Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 147/244] i40e: Fix to stop tx_timeout recovery if GLOBR fails Greg Kroah-Hartman
` (99 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Mark Brown, Frieder Schrempf
From: Frieder Schrempf <frieder.schrempf@kontron.de>
commit b0de7fa706506bf0591037908376351beda8c5d6 upstream.
The device bindings shouldn't put any constraints on the regulator-name
property specified in the generic bindings. This allows using arbitrary
and descriptive names for the regulators.
Suggested-by: Mark Brown <broonie@kernel.org>
Fixes: 7ae9e3a6bf3f ("dt-bindings: regulator: add pca9450 regulator yaml")
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20220802064335.8481-1-frieder@fris.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml | 11 ----------
1 file changed, 11 deletions(-)
--- a/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/nxp,pca9450-regulator.yaml
@@ -47,12 +47,6 @@ properties:
description:
Properties for single LDO regulator.
- properties:
- regulator-name:
- pattern: "^LDO[1-5]$"
- description:
- should be "LDO1", ..., "LDO5"
-
unevaluatedProperties: false
"^BUCK[1-6]$":
@@ -62,11 +56,6 @@ properties:
Properties for single BUCK regulator.
properties:
- regulator-name:
- pattern: "^BUCK[1-6]$"
- description:
- should be "BUCK1", ..., "BUCK6"
-
nxp,dvs-run-voltage:
$ref: "/schemas/types.yaml#/definitions/uint32"
minimum: 600000
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 147/244] i40e: Fix to stop tx_timeout recovery if GLOBR fails
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (145 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 146/244] regulator: pca9450: Remove restrictions for regulator-name Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 148/244] fec: Fix timer capture timing in `fec_ptp_enable_pps()` Greg Kroah-Hartman
` (98 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Alan Brady, Mateusz Palczewski,
Tony Nguyen, Gurucharan
From: Alan Brady <alan.brady@intel.com>
commit 57c942bc3bef0970f0b21f8e0998e76a900ea80d upstream.
When a tx_timeout fires, the PF attempts to recover by incrementally
resetting. First we try a PFR, then CORER and finally a GLOBR. If the
GLOBR fails, then we keep hitting the tx_timeout and incrementing the
recovery level and issuing dmesgs, which is both annoying to the user
and accomplishes nothing.
If the GLOBR fails, then we're pretty much totally hosed, and there's
not much else we can do to recover, so this makes it such that we just
kill the VSI and stop hitting the tx_timeout in such a case.
Fixes: 41c445ff0f48 ("i40e: main driver core")
Signed-off-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/i40e/i40e_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -383,7 +383,9 @@ static void i40e_tx_timeout(struct net_d
set_bit(__I40E_GLOBAL_RESET_REQUESTED, pf->state);
break;
default:
- netdev_err(netdev, "tx_timeout recovery unsuccessful\n");
+ netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in non-recoverable state.\n");
+ set_bit(__I40E_DOWN_REQUESTED, pf->state);
+ set_bit(__I40E_VSI_DOWN_REQUESTED, vsi->state);
break;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 148/244] fec: Fix timer capture timing in `fec_ptp_enable_pps()`
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (146 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 147/244] i40e: Fix to stop tx_timeout recovery if GLOBR fails Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 149/244] stmmac: intel: Add a missing clk_disable_unprepare() call in intel_eth_pci_remove() Greg Kroah-Hartman
` (97 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Csókás Bence, Jakub Kicinski
From: Csókás Bence <csokas.bence@prolan.hu>
commit 61d5e2a251fb20c2c5e998c3f1d52ed6d5360319 upstream.
Code reimplements functionality already in `fec_ptp_read()`,
but misses check for FEC_QUIRK_BUG_CAPTURE. Replace with function call.
Fixes: 28b5f058cf1d ("net: fec: ptp: fix convergence issue to support LinuxPTP stack")
Signed-off-by: Csókás Bence <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20220811101348.13755-1-csokas.bence@prolan.hu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/freescale/fec_ptp.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -136,11 +136,7 @@ static int fec_ptp_enable_pps(struct fec
* NSEC_PER_SEC - ts.tv_nsec. Add the remaining nanoseconds
* to current timer would be next second.
*/
- tempval = readl(fep->hwp + FEC_ATIME_CTRL);
- tempval |= FEC_T_CTRL_CAPTURE;
- writel(tempval, fep->hwp + FEC_ATIME_CTRL);
-
- tempval = readl(fep->hwp + FEC_ATIME);
+ tempval = fep->cc.read(&fep->cc);
/* Convert the ptp local counter to 1588 timestamp */
ns = timecounter_cyc2time(&fep->tc, tempval);
ts = ns_to_timespec64(ns);
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 149/244] stmmac: intel: Add a missing clk_disable_unprepare() call in intel_eth_pci_remove()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (147 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 148/244] fec: Fix timer capture timing in `fec_ptp_enable_pps()` Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 150/244] igb: Add lock to avoid data race Greg Kroah-Hartman
` (96 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Christophe JAILLET, Andy Shevchenko,
Jakub Kicinski
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
commit 5c23d6b717e4e956376f3852b90f58e262946b50 upstream.
Commit 09f012e64e4b ("stmmac: intel: Fix clock handling on error and remove
paths") removed this clk_disable_unprepare()
This was partly revert by commit ac322f86b56c ("net: stmmac: Fix clock
handling on remove path") which removed this clk_disable_unprepare()
because:
"
While unloading the dwmac-intel driver, clk_disable_unprepare() is
being called twice in stmmac_dvr_remove() and
intel_eth_pci_remove(). This causes kernel panic on the second call.
"
However later on, commit 5ec55823438e8 ("net: stmmac: add clocks management
for gmac driver") has updated stmmac_dvr_remove() which do not call
clk_disable_unprepare() anymore.
So this call should now be called from intel_eth_pci_remove().
Fixes: 5ec55823438e8 ("net: stmmac: add clocks management for gmac driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/d7c8c1dadf40df3a7c9e643f76ffadd0ccc1ad1b.1660659689.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -1098,6 +1098,7 @@ static void intel_eth_pci_remove(struct
stmmac_dvr_remove(&pdev->dev);
+ clk_disable_unprepare(priv->plat->stmmac_clk);
clk_unregister_fixed_rate(priv->plat->stmmac_clk);
pcim_iounmap_regions(pdev, BIT(0));
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 150/244] igb: Add lock to avoid data race
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (148 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 149/244] stmmac: intel: Add a missing clk_disable_unprepare() call in intel_eth_pci_remove() Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 151/244] kbuild: fix the modules order between drivers and libs Greg Kroah-Hartman
` (95 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Lin Ma, Konrad Jankowski,
Tony Nguyen, Jakub Kicinski
From: Lin Ma <linma@zju.edu.cn>
commit 6faee3d4ee8be0f0367d0c3d826afb3571b7a5e0 upstream.
The commit c23d92b80e0b ("igb: Teardown SR-IOV before
unregister_netdev()") places the unregister_netdev() call after the
igb_disable_sriov() call to avoid functionality issue.
However, it introduces several race conditions when detaching a device.
For example, when .remove() is called, the below interleaving leads to
use-after-free.
(FREE from device detaching) | (USE from netdev core)
igb_remove | igb_ndo_get_vf_config
igb_disable_sriov | vf >= adapter->vfs_allocated_count?
kfree(adapter->vf_data) |
adapter->vfs_allocated_count = 0 |
| memcpy(... adapter->vf_data[vf]
Moreover, the igb_disable_sriov() also suffers from data race with the
requests from VF driver.
(FREE from device detaching) | (USE from requests)
igb_remove | igb_msix_other
igb_disable_sriov | igb_msg_task
kfree(adapter->vf_data) | vf < adapter->vfs_allocated_count
adapter->vfs_allocated_count = 0 |
To this end, this commit first eliminates the data races from netdev
core by using rtnl_lock (similar to commit 719479230893 ("dpaa2-eth: add
MAC/PHY support through phylink")). And then adds a spinlock to
eliminate races from driver requests. (similar to commit 1e53834ce541
("ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero")
Fixes: c23d92b80e0b ("igb: Teardown SR-IOV before unregister_netdev()")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://lore.kernel.org/r/20220817184921.735244-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/igb/igb.h | 2 ++
drivers/net/ethernet/intel/igb/igb_main.c | 12 +++++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -664,6 +664,8 @@ struct igb_adapter {
struct igb_mac_addr *mac_table;
struct vf_mac_filter vf_macs;
struct vf_mac_filter *vf_mac_list;
+ /* lock for VF resources */
+ spinlock_t vfs_lock;
};
/* flags controlling PTP/1588 function */
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3637,6 +3637,7 @@ static int igb_disable_sriov(struct pci_
struct net_device *netdev = pci_get_drvdata(pdev);
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ unsigned long flags;
/* reclaim resources allocated to VFs */
if (adapter->vf_data) {
@@ -3649,12 +3650,13 @@ static int igb_disable_sriov(struct pci_
pci_disable_sriov(pdev);
msleep(500);
}
-
+ spin_lock_irqsave(&adapter->vfs_lock, flags);
kfree(adapter->vf_mac_list);
adapter->vf_mac_list = NULL;
kfree(adapter->vf_data);
adapter->vf_data = NULL;
adapter->vfs_allocated_count = 0;
+ spin_unlock_irqrestore(&adapter->vfs_lock, flags);
wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ);
wrfl();
msleep(100);
@@ -3814,7 +3816,9 @@ static void igb_remove(struct pci_dev *p
igb_release_hw_control(adapter);
#ifdef CONFIG_PCI_IOV
+ rtnl_lock();
igb_disable_sriov(pdev);
+ rtnl_unlock();
#endif
unregister_netdev(netdev);
@@ -3974,6 +3978,9 @@ static int igb_sw_init(struct igb_adapte
spin_lock_init(&adapter->nfc_lock);
spin_lock_init(&adapter->stats64_lock);
+
+ /* init spinlock to avoid concurrency of VF resources */
+ spin_lock_init(&adapter->vfs_lock);
#ifdef CONFIG_PCI_IOV
switch (hw->mac.type) {
case e1000_82576:
@@ -7846,8 +7853,10 @@ unlock:
static void igb_msg_task(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
+ unsigned long flags;
u32 vf;
+ spin_lock_irqsave(&adapter->vfs_lock, flags);
for (vf = 0; vf < adapter->vfs_allocated_count; vf++) {
/* process any reset requests */
if (!igb_check_for_rst(hw, vf))
@@ -7861,6 +7870,7 @@ static void igb_msg_task(struct igb_adap
if (!igb_check_for_ack(hw, vf))
igb_rcv_ack_from_vf(adapter, vf);
}
+ spin_unlock_irqrestore(&adapter->vfs_lock, flags);
}
/**
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 151/244] kbuild: fix the modules order between drivers and libs
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (149 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 150/244] igb: Add lock to avoid data race Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 152/244] gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file Greg Kroah-Hartman
` (94 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Masahiro Yamada
From: Masahiro Yamada <masahiroy@kernel.org>
commit 113147510b48e764e624e3d0e6707a1e48bc05a9 upstream.
Commit b2c885549122 ("kbuild: update modules.order only when contained
modules are updated") accidentally changed the modules order.
Prior to that commit, the modules order was determined based on
vmlinux-dirs, which lists core-y/m, drivers-y/m, libs-y/m, in this order.
Now, subdir-modorder lists them in a different order: core-y/m, libs-y/m,
drivers-y/m.
Presumably, there was no practical issue because the modules in drivers
and libs are orthogonal, but there is no reason to have this distortion.
Get back to the original order.
Fixes: b2c885549122 ("kbuild: update modules.order only when contained modules are updated")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
Makefile | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/Makefile
+++ b/Makefile
@@ -1155,13 +1155,11 @@ vmlinux-alldirs := $(sort $(vmlinux-dirs
$(patsubst %/,%,$(filter %/, $(core-) \
$(drivers-) $(libs-))))
-subdir-modorder := $(addsuffix modules.order,$(filter %/, \
- $(core-y) $(core-m) $(libs-y) $(libs-m) \
- $(drivers-y) $(drivers-m)))
-
build-dirs := $(vmlinux-dirs)
clean-dirs := $(vmlinux-alldirs)
+subdir-modorder := $(addsuffix /modules.order, $(build-dirs))
+
# Externally visible symbols (used by link-vmlinux.sh)
KBUILD_VMLINUX_OBJS := $(head-y) $(patsubst %/,%/built-in.a, $(core-y))
KBUILD_VMLINUX_OBJS += $(addsuffix built-in.a, $(filter %/, $(libs-y)))
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 152/244] gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (150 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 151/244] kbuild: fix the modules order between drivers and libs Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 153/244] tracing/eprobes: Fix reading of string fields Greg Kroah-Hartman
` (93 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yury Norov, Erhard Furtner,
Andrew Donnellan, Kees Cook
From: Andrew Donnellan <ajd@linux.ibm.com>
commit 012e8d2034f1bda8863435cd589636e618d6a659 upstream.
Commit 36d4b36b6959 ("lib/nodemask: inline next_node_in() and
node_random()") refactored some code by moving node_random() from
lib/nodemask.c to include/linux/nodemask.h, thus requiring nodemask.h to
include random.h, which conditionally defines add_latent_entropy()
depending on whether the macro LATENT_ENTROPY_PLUGIN is defined.
This broke the build on powerpc, where nodemask.h is indirectly included
in arch/powerpc/kernel/prom_init.c, part of the early boot machinery that
is excluded from the latent entropy plugin using
DISABLE_LATENT_ENTROPY_PLUGIN. It turns out that while we add a gcc flag
to disable the actual plugin, we don't undefine LATENT_ENTROPY_PLUGIN.
This leads to the following:
CC arch/powerpc/kernel/prom_init.o
In file included from ./include/linux/nodemask.h:97,
from ./include/linux/mmzone.h:17,
from ./include/linux/gfp.h:7,
from ./include/linux/xarray.h:15,
from ./include/linux/radix-tree.h:21,
from ./include/linux/idr.h:15,
from ./include/linux/kernfs.h:12,
from ./include/linux/sysfs.h:16,
from ./include/linux/kobject.h:20,
from ./include/linux/pci.h:35,
from arch/powerpc/kernel/prom_init.c:24:
./include/linux/random.h: In function 'add_latent_entropy':
./include/linux/random.h:25:46: error: 'latent_entropy' undeclared (first use in this function); did you mean 'add_latent_entropy'?
25 | add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy));
| ^~~~~~~~~~~~~~
| add_latent_entropy
./include/linux/random.h:25:46: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [scripts/Makefile.build:249: arch/powerpc/kernel/prom_init.o] Fehler 1
make[1]: *** [scripts/Makefile.build:465: arch/powerpc/kernel] Fehler 2
make: *** [Makefile:1855: arch/powerpc] Error 2
Change the DISABLE_LATENT_ENTROPY_PLUGIN flags to undefine
LATENT_ENTROPY_PLUGIN for files where the plugin is disabled.
Cc: Yury Norov <yury.norov@gmail.com>
Fixes: 38addce8b600 ("gcc-plugins: Add latent_entropy plugin")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216367
Link: https://lore.kernel.org/linuxppc-dev/alpine.DEB.2.22.394.2208152006320.289321@ramsan.of.borg/
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220816051720.44108-1-ajd@linux.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
scripts/Makefile.gcc-plugins | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -6,7 +6,7 @@ gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_EN
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) \
+= -DLATENT_ENTROPY_PLUGIN
ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
- DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable
+ DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable -ULATENT_ENTROPY_PLUGIN
endif
export DISABLE_LATENT_ENTROPY_PLUGIN
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 153/244] tracing/eprobes: Fix reading of string fields
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (151 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 152/244] gcc-plugins: Undefine LATENT_ENTROPY_PLUGIN when plugin disabled for a file Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 154/244] drm/imx/dcss: get rid of HPD warning message Greg Kroah-Hartman
` (92 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ingo Molnar, Andrew Morton,
Tzvetomir Stoyanov, Tom Zanussi, Masami Hiramatsu (Google),
Steven Rostedt (Google)
From: Steven Rostedt (Google) <rostedt@goodmis.org>
commit f04dec93466a0481763f3b56cdadf8076e28bfbf upstream.
Currently when an event probe (eprobe) hooks to a string field, it does
not display it as a string, but instead as a number. This makes the field
rather useless. Handle the different kinds of strings, dynamic, static,
relational/dynamic etc.
Now when a string field is used, the ":string" type can be used to display
it:
echo "e:sw sched/sched_switch comm=$next_comm:string" > dynamic_events
Link: https://lkml.kernel.org/r/20220820134400.959640191@goodmis.org
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tzvetomir Stoyanov <tz.stoyanov@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Fixes: 7491e2c44278 ("tracing: Add a probe that attaches to trace events")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
kernel/trace/trace_eprobe.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -320,6 +320,24 @@ static unsigned long get_event_field(str
addr = rec + field->offset;
+ if (is_string_field(field)) {
+ switch (field->filter_type) {
+ case FILTER_DYN_STRING:
+ val = (unsigned long)(rec + (*(unsigned int *)addr & 0xffff));
+ break;
+ case FILTER_STATIC_STRING:
+ val = (unsigned long)addr;
+ break;
+ case FILTER_PTR_STRING:
+ val = (unsigned long)(*(char *)addr);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return 0;
+ }
+ return val;
+ }
+
switch (field->size) {
case 1:
if (field->is_signed)
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 154/244] drm/imx/dcss: get rid of HPD warning message
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (152 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 153/244] tracing/eprobes: Fix reading of string fields Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 155/244] ASoC: SOF: Intel: hda: Define rom_status_reg in sof_intel_dsp_desc Greg Kroah-Hartman
` (91 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Laurentiu Palcu, Laurent Pinchart,
Sasha Levin
From: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
[ Upstream commit 30bdc36b8c776cd4fce5de2a96ff28b37f96942f ]
When DCSS + MIPI_DSI is used, and the last bridge in the chain supports
HPD, we can see a "Hot plug detection already enabled" warning stack
trace dump that's thrown when DCSS is initialized.
The problem appeared when HPD was enabled by default in the
bridge_connector initialization, which made the
drm_bridge_connector_enable_hpd() call, in DCSS init path, redundant.
So, let's remove that call.
Fixes: 09077bc311658 ("drm/bridge_connector: enable HPD by default if supported")
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220721120912.6639-1-laurentiu.palcu@oss.nxp.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/imx/dcss/dcss-kms.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/imx/dcss/dcss-kms.c b/drivers/gpu/drm/imx/dcss/dcss-kms.c
index 9b84df34a6a1..8cf3352d8858 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-kms.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-kms.c
@@ -142,8 +142,6 @@ struct dcss_kms_dev *dcss_kms_attach(struct dcss_dev *dcss)
drm_kms_helper_poll_init(drm);
- drm_bridge_connector_enable_hpd(kms->connector);
-
ret = drm_dev_register(drm, 0);
if (ret)
goto cleanup_crtc;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 155/244] ASoC: SOF: Intel: hda: Define rom_status_reg in sof_intel_dsp_desc
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (153 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 154/244] drm/imx/dcss: get rid of HPD warning message Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 156/244] ASoC: SOF: Intel: hda: Fix potential buffer overflow by snprintf() Greg Kroah-Hartman
` (90 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ranjani Sridharan,
Pierre-Louis Bossart, Péter Ujfalusi, Mark Brown,
Sasha Levin
From: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
[ Upstream commit 71778f7940f0b496aa1ca1134f3b70b425a59bab ]
Add the rom_status_reg field to struct sof_intel_dsp_desc and define
it for HDA platforms. This will be used to check the ROM status during
FW boot.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220414184817.362215-14-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/sof/intel/apl.c | 1 +
sound/soc/sof/intel/cnl.c | 2 ++
sound/soc/sof/intel/hda-loader.c | 14 ++++++++------
sound/soc/sof/intel/hda.c | 8 ++++++--
sound/soc/sof/intel/icl.c | 1 +
sound/soc/sof/intel/shim.h | 1 +
sound/soc/sof/intel/tgl.c | 4 ++++
7 files changed, 23 insertions(+), 8 deletions(-)
diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c
index c7ed2b3d6abc..0a42034c4655 100644
--- a/sound/soc/sof/intel/apl.c
+++ b/sound/soc/sof/intel/apl.c
@@ -139,6 +139,7 @@ const struct sof_intel_dsp_desc apl_chip_info = {
.ipc_ack = HDA_DSP_REG_HIPCIE,
.ipc_ack_mask = HDA_DSP_REG_HIPCIE_DONE,
.ipc_ctl = HDA_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 150,
.ssp_count = APL_SSP_COUNT,
.ssp_base_offset = APL_SSP_BASE_OFFSET,
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index e115e12a856f..a63b235763ed 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -344,6 +344,7 @@ const struct sof_intel_dsp_desc cnl_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = CNL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
@@ -363,6 +364,7 @@ const struct sof_intel_dsp_desc jsl_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c
index ee09393d42cb..439cb33d2a71 100644
--- a/sound/soc/sof/intel/hda-loader.c
+++ b/sound/soc/sof/intel/hda-loader.c
@@ -163,7 +163,7 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, int stream_tag)
/* step 7: wait for ROM init */
ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_SRAM_REG_ROM_STATUS, status,
+ chip->rom_status_reg, status,
((status & HDA_DSP_ROM_STS_MASK)
== HDA_DSP_ROM_INIT),
HDA_DSP_REG_POLL_INTERVAL_US,
@@ -174,8 +174,8 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, int stream_tag)
if (hda->boot_iteration == HDA_FW_BOOT_ATTEMPTS)
dev_err(sdev->dev,
- "error: %s: timeout HDA_DSP_SRAM_REG_ROM_STATUS read\n",
- __func__);
+ "%s: timeout with rom_status_reg (%#x) read\n",
+ __func__, chip->rom_status_reg);
err:
flags = SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_PCI | SOF_DBG_DUMP_MBOX;
@@ -251,6 +251,8 @@ static int cl_cleanup(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
static int cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *stream)
{
+ struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
+ const struct sof_intel_dsp_desc *chip = hda->desc;
unsigned int reg;
int ret, status;
@@ -261,7 +263,7 @@ static int cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *stream)
}
status = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR,
- HDA_DSP_SRAM_REG_ROM_STATUS, reg,
+ chip->rom_status_reg, reg,
((reg & HDA_DSP_ROM_STS_MASK)
== HDA_DSP_ROM_FW_ENTERED),
HDA_DSP_REG_POLL_INTERVAL_US,
@@ -274,8 +276,8 @@ static int cl_copy_fw(struct snd_sof_dev *sdev, struct hdac_ext_stream *stream)
if (status < 0) {
dev_err(sdev->dev,
- "error: %s: timeout HDA_DSP_SRAM_REG_ROM_STATUS read\n",
- __func__);
+ "%s: timeout with rom_status_reg (%#x) read\n",
+ __func__, chip->rom_status_reg);
}
ret = cl_trigger(sdev, stream, SNDRV_PCM_TRIGGER_STOP);
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index ddf70902e53c..e733c401562f 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -353,11 +353,13 @@ static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = {
static void hda_dsp_get_status(struct snd_sof_dev *sdev)
{
+ const struct sof_intel_dsp_desc *chip;
u32 status;
int i;
+ chip = get_chip_info(sdev->pdata);
status = snd_sof_dsp_read(sdev, HDA_DSP_BAR,
- HDA_DSP_SRAM_REG_ROM_STATUS);
+ chip->rom_status_reg);
for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) {
if (status == hda_dsp_rom_msg[i].code) {
@@ -402,13 +404,15 @@ static void hda_dsp_get_registers(struct snd_sof_dev *sdev,
/* dump the first 8 dwords representing the extended ROM status */
static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
{
+ const struct sof_intel_dsp_desc *chip;
char msg[128];
int len = 0;
u32 value;
int i;
+ chip = get_chip_info(sdev->pdata);
for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
- value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4);
+ value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
}
diff --git a/sound/soc/sof/intel/icl.c b/sound/soc/sof/intel/icl.c
index ee095b8f2d01..4065c4d3912a 100644
--- a/sound/soc/sof/intel/icl.c
+++ b/sound/soc/sof/intel/icl.c
@@ -139,6 +139,7 @@ const struct sof_intel_dsp_desc icl_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
diff --git a/sound/soc/sof/intel/shim.h b/sound/soc/sof/intel/shim.h
index e9f7d4d7fcce..96707758ebc5 100644
--- a/sound/soc/sof/intel/shim.h
+++ b/sound/soc/sof/intel/shim.h
@@ -161,6 +161,7 @@ struct sof_intel_dsp_desc {
int ipc_ack;
int ipc_ack_mask;
int ipc_ctl;
+ int rom_status_reg;
int rom_init_timeout;
int ssp_count; /* ssp count of the platform */
int ssp_base_offset; /* base address of the SSPs */
diff --git a/sound/soc/sof/intel/tgl.c b/sound/soc/sof/intel/tgl.c
index 199d41a7dc9b..aba52d8628aa 100644
--- a/sound/soc/sof/intel/tgl.c
+++ b/sound/soc/sof/intel/tgl.c
@@ -134,6 +134,7 @@ const struct sof_intel_dsp_desc tgl_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
@@ -153,6 +154,7 @@ const struct sof_intel_dsp_desc tglh_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
@@ -172,6 +174,7 @@ const struct sof_intel_dsp_desc ehl_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
@@ -191,6 +194,7 @@ const struct sof_intel_dsp_desc adls_chip_info = {
.ipc_ack = CNL_DSP_REG_HIPCIDA,
.ipc_ack_mask = CNL_DSP_REG_HIPCIDA_DONE,
.ipc_ctl = CNL_DSP_REG_HIPCCTL,
+ .rom_status_reg = HDA_DSP_SRAM_REG_ROM_STATUS,
.rom_init_timeout = 300,
.ssp_count = ICL_SSP_COUNT,
.ssp_base_offset = CNL_SSP_BASE_OFFSET,
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 156/244] ASoC: SOF: Intel: hda: Fix potential buffer overflow by snprintf()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (154 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 155/244] ASoC: SOF: Intel: hda: Define rom_status_reg in sof_intel_dsp_desc Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 157/244] drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors() Greg Kroah-Hartman
` (89 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Takashi Iwai, Mark Brown, Sasha Levin
From: Takashi Iwai <tiwai@suse.de>
[ Upstream commit 94c1ceb043c1a002de9649bb630c8e8347645982 ]
snprintf() returns the would-be-filled size when the string overflows
the given buffer size, hence using this value may result in the buffer
overflow (although it's unrealistic).
This patch replaces with a safer version, scnprintf() for papering
over such a potential issue.
Fixes: 29c8e4398f02 ("ASoC: SOF: Intel: hda: add extended rom status dump to error log")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20220801165420.25978-4-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/sof/intel/hda.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index e733c401562f..35cbef171f4a 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -413,7 +413,7 @@ static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags)
chip = get_chip_info(sdev->pdata);
for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) {
value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4);
- len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
+ len += scnprintf(msg + len, sizeof(msg) - len, " 0x%x", value);
}
sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL,
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 157/244] drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (155 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 156/244] ASoC: SOF: Intel: hda: Fix potential buffer overflow by snprintf() Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 158/244] drm/sun4i: dsi: Prevent underflow when computing packet sizes Greg Kroah-Hartman
` (88 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Liang He, Martin Blumenstingl,
Neil Armstrong, Sasha Levin
From: Liang He <windhl@126.com>
[ Upstream commit 91b3c8dbe898df158fd2a84675f3a284ff6666f7 ]
In this function, there are two refcount leak bugs:
(1) when breaking out of for_each_endpoint_of_node(), we need call
the of_node_put() for the 'ep';
(2) we should call of_node_put() for the reference returned by
of_graph_get_remote_port() when it is not used anymore.
Fixes: bbbe775ec5b5 ("drm: Add support for Amlogic Meson Graphic Controller")
Signed-off-by: Liang He <windhl@126.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726010722.1319416-1-windhl@126.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/meson/meson_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index c98525d60df5..a56607501d36 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -114,8 +114,11 @@ static bool meson_vpu_has_available_connectors(struct device *dev)
for_each_endpoint_of_node(dev->of_node, ep) {
/* If the endpoint node exists, consider it enabled */
remote = of_graph_get_remote_port(ep);
- if (remote)
+ if (remote) {
+ of_node_put(remote);
+ of_node_put(ep);
return true;
+ }
}
return false;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 158/244] drm/sun4i: dsi: Prevent underflow when computing packet sizes
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (156 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 157/244] drm/meson: Fix refcount bugs in meson_vpu_has_available_connectors() Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 159/244] net: qrtr: start MHI channel after endpoit creation Greg Kroah-Hartman
` (87 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Samuel Holland, Jernej Skrabec,
Maxime Ripard, Sasha Levin
From: Samuel Holland <samuel@sholland.org>
[ Upstream commit 82a1356a933d8443139f8886f11b63c974a09a67 ]
Currently, the packet overhead is subtracted using unsigned arithmetic.
With a short sync pulse, this could underflow and wrap around to near
the maximal u16 value. Fix this by using signed subtraction. The call to
max() will correctly handle any negative numbers that are produced.
Apply the same fix to the other timings, even though those subtractions
are less likely to underflow.
Fixes: 133add5b5ad4 ("drm/sun4i: Add Allwinner A31 MIPI-DSI controller support")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220812031623.34057-1-samuel@sholland.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index 4f5efcace68e..51edb4244af7 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -531,7 +531,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi,
struct drm_display_mode *mode)
{
struct mipi_dsi_device *device = dsi->device;
- unsigned int Bpp = mipi_dsi_pixel_format_to_bpp(device->format) / 8;
+ int Bpp = mipi_dsi_pixel_format_to_bpp(device->format) / 8;
u16 hbp = 0, hfp = 0, hsa = 0, hblk = 0, vblk = 0;
u32 basic_ctl = 0;
size_t bytes;
@@ -555,7 +555,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi,
* (4 bytes). Its minimal size is therefore 10 bytes
*/
#define HSA_PACKET_OVERHEAD 10
- hsa = max((unsigned int)HSA_PACKET_OVERHEAD,
+ hsa = max(HSA_PACKET_OVERHEAD,
(mode->hsync_end - mode->hsync_start) * Bpp - HSA_PACKET_OVERHEAD);
/*
@@ -564,7 +564,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi,
* therefore 6 bytes
*/
#define HBP_PACKET_OVERHEAD 6
- hbp = max((unsigned int)HBP_PACKET_OVERHEAD,
+ hbp = max(HBP_PACKET_OVERHEAD,
(mode->htotal - mode->hsync_end) * Bpp - HBP_PACKET_OVERHEAD);
/*
@@ -574,7 +574,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi,
* 16 bytes
*/
#define HFP_PACKET_OVERHEAD 16
- hfp = max((unsigned int)HFP_PACKET_OVERHEAD,
+ hfp = max(HFP_PACKET_OVERHEAD,
(mode->hsync_start - mode->hdisplay) * Bpp - HFP_PACKET_OVERHEAD);
/*
@@ -583,7 +583,7 @@ static void sun6i_dsi_setup_timings(struct sun6i_dsi *dsi,
* bytes). Its minimal size is therefore 10 bytes.
*/
#define HBLK_PACKET_OVERHEAD 10
- hblk = max((unsigned int)HBLK_PACKET_OVERHEAD,
+ hblk = max(HBLK_PACKET_OVERHEAD,
(mode->htotal - (mode->hsync_end - mode->hsync_start)) * Bpp -
HBLK_PACKET_OVERHEAD);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 159/244] net: qrtr: start MHI channel after endpoit creation
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (157 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 158/244] drm/sun4i: dsi: Prevent underflow when computing packet sizes Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 160/244] KVM: arm64: Treat PMCR_EL1.LC as RES1 on asymmetric systems Greg Kroah-Hartman
` (86 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Maxim Kochetkov, Hemant Kumar,
Manivannan Sadhasivam, Loic Poulain, David S. Miller,
Sasha Levin
From: Maxim Kochetkov <fido_max@inbox.ru>
[ Upstream commit 68a838b84effb7b57ba7d50b1863fc6ae35a54ce ]
MHI channel may generates event/interrupt right after enabling.
It may leads to 2 race conditions issues.
1)
Such event may be dropped by qcom_mhi_qrtr_dl_callback() at check:
if (!qdev || mhi_res->transaction_status)
return;
Because dev_set_drvdata(&mhi_dev->dev, qdev) may be not performed at
this moment. In this situation qrtr-ns will be unable to enumerate
services in device.
---------------------------------------------------------------
2)
Such event may come at the moment after dev_set_drvdata() and
before qrtr_endpoint_register(). In this case kernel will panic with
accessing wrong pointer at qcom_mhi_qrtr_dl_callback():
rc = qrtr_endpoint_post(&qdev->ep, mhi_res->buf_addr,
mhi_res->bytes_xferd);
Because endpoint is not created yet.
--------------------------------------------------------------
So move mhi_prepare_for_transfer_autoqueue after endpoint creation
to fix it.
Fixes: a2e2cc0dbb11 ("net: qrtr: Start MHI channels during init")
Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Reviewed-by: Hemant Kumar <quic_hemantk@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/qrtr/mhi.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
index fa611678af05..49e7cab43d24 100644
--- a/net/qrtr/mhi.c
+++ b/net/qrtr/mhi.c
@@ -78,11 +78,6 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
struct qrtr_mhi_dev *qdev;
int rc;
- /* start channels */
- rc = mhi_prepare_for_transfer(mhi_dev);
- if (rc)
- return rc;
-
qdev = devm_kzalloc(&mhi_dev->dev, sizeof(*qdev), GFP_KERNEL);
if (!qdev)
return -ENOMEM;
@@ -96,6 +91,13 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
if (rc)
return rc;
+ /* start channels */
+ rc = mhi_prepare_for_transfer(mhi_dev);
+ if (rc) {
+ qrtr_endpoint_unregister(&qdev->ep);
+ return rc;
+ }
+
dev_dbg(qdev->dev, "Qualcomm MHI QRTR driver probed\n");
return 0;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 160/244] KVM: arm64: Treat PMCR_EL1.LC as RES1 on asymmetric systems
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (158 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 159/244] net: qrtr: start MHI channel after endpoit creation Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 161/244] KVM: arm64: Reject 32bit user PSTATE " Greg Kroah-Hartman
` (85 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Oliver Upton, Marc Zyngier, Sasha Levin
From: Oliver Upton <oliver.upton@linux.dev>
[ Upstream commit f3c6efc72f3b20ec23566e768979802f0a398f04 ]
KVM does not support AArch32 on asymmetric systems. To that end, enforce
AArch64-only behavior on PMCR_EL1.LC when on an asymmetric system.
Fixes: 2122a833316f ("arm64: Allow mismatched 32-bit EL0 support")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220816192554.1455559-2-oliver.upton@linux.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm64/include/asm/kvm_host.h | 4 ++++
arch/arm64/kvm/arm.c | 3 +--
arch/arm64/kvm/sys_regs.c | 4 ++--
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index fc6ee6c5972d..1713630bf8f5 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -795,6 +795,10 @@ bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
#define kvm_vcpu_has_pmu(vcpu) \
(test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features))
+#define kvm_supports_32bit_el0() \
+ (system_supports_32bit_el0() && \
+ !static_branch_unlikely(&arm64_mismatched_32bit_el0))
+
int kvm_trng_call(struct kvm_vcpu *vcpu);
#ifdef CONFIG_KVM
extern phys_addr_t hyp_mem_base;
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index f181527f9d43..4cb265e15361 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -712,8 +712,7 @@ static bool vcpu_mode_is_bad_32bit(struct kvm_vcpu *vcpu)
if (likely(!vcpu_mode_is_32bit(vcpu)))
return false;
- return !system_supports_32bit_el0() ||
- static_branch_unlikely(&arm64_mismatched_32bit_el0);
+ return !kvm_supports_32bit_el0();
}
/**
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 7c18e429b449..c11612db4a37 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -649,7 +649,7 @@ static void reset_pmcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
*/
val = ((pmcr & ~ARMV8_PMU_PMCR_MASK)
| (ARMV8_PMU_PMCR_MASK & 0xdecafbad)) & (~ARMV8_PMU_PMCR_E);
- if (!system_supports_32bit_el0())
+ if (!kvm_supports_32bit_el0())
val |= ARMV8_PMU_PMCR_LC;
__vcpu_sys_reg(vcpu, r->reg) = val;
}
@@ -698,7 +698,7 @@ static bool access_pmcr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
val = __vcpu_sys_reg(vcpu, PMCR_EL0);
val &= ~ARMV8_PMU_PMCR_MASK;
val |= p->regval & ARMV8_PMU_PMCR_MASK;
- if (!system_supports_32bit_el0())
+ if (!kvm_supports_32bit_el0())
val |= ARMV8_PMU_PMCR_LC;
__vcpu_sys_reg(vcpu, PMCR_EL0) = val;
kvm_pmu_handle_pmcr(vcpu, val);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 161/244] KVM: arm64: Reject 32bit user PSTATE on asymmetric systems
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (159 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 160/244] KVM: arm64: Treat PMCR_EL1.LC as RES1 on asymmetric systems Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 162/244] HID: multitouch: new device class fix Lenovo X12 trackpad sticky Greg Kroah-Hartman
` (84 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Oliver Upton, Marc Zyngier, Sasha Levin
From: Oliver Upton <oliver.upton@linux.dev>
[ Upstream commit b10d86fb8e46cc812171728bcd326df2f34e9ed5 ]
KVM does not support AArch32 EL0 on asymmetric systems. To that end,
prevent userspace from configuring a vCPU in such a state through
setting PSTATE.
It is already ABI that KVM rejects such a write on a system where
AArch32 EL0 is unsupported. Though the kernel's definition of a 32bit
system changed in commit 2122a833316f ("arm64: Allow mismatched
32-bit EL0 support"), KVM's did not.
Fixes: 2122a833316f ("arm64: Allow mismatched 32-bit EL0 support")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220816192554.1455559-3-oliver.upton@linux.dev
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/arm64/kvm/guest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 5ce26bedf23c..94108e2e0917 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -242,7 +242,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
u64 mode = (*(u64 *)valp) & PSR_AA32_MODE_MASK;
switch (mode) {
case PSR_AA32_MODE_USR:
- if (!system_supports_32bit_el0())
+ if (!kvm_supports_32bit_el0())
return -EINVAL;
break;
case PSR_AA32_MODE_FIQ:
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 162/244] HID: multitouch: new device class fix Lenovo X12 trackpad sticky
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (160 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 161/244] KVM: arm64: Reject 32bit user PSTATE " Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 163/244] PCI: Add ACS quirk for Broadcom BCM5750x NICs Greg Kroah-Hartman
` (83 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Tao Jin, Jiri Kosina, Sasha Levin
From: Tao Jin <tao-j@outlook.com>
[ Upstream commit 54eed5c7b938dc4ef6b14d4ee048bbdafdbce352 ]
The trackpad of the given device sends continuous report of pointers
status as per wxn8 spec. However, the spec did not clarify when the
fingers are lifted so fast that between the interval of two report
frames fingers on pad reduced from >=2 to 0. The second last report
contains >=2 fingers with tip state 1 and the last report contains only
1 finger with tip state 0. Although this can happen unfrequently, a
quick fix will be improve the consistency to 100%. A quick fix is to
disable MT_QUIRK_ALWAYS_VALID and enable MT_QUIRK_NOT_SEEN_MEANS_UP.
Test for hid-tools is added in [1]
In addition to this, I2C device 04CA:00B1 may also need similar class
but with MT_QUIRK_FORCE_MULTI_INPUT disabled (but it does not harm to
enable it on non-multi-input device either). The respective owner has
been notified and a patch may coming soon after test.
[1]: https://gitlab.freedesktop.org/libevdev/hid-tools/-/merge_requests/130
Signed-off-by: Tao Jin <tao-j@outlook.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/hid/hid-multitouch.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f382444dc2db..a14c48de4446 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -194,6 +194,7 @@ static void mt_post_parse(struct mt_device *td, struct mt_application *app);
#define MT_CLS_WIN_8_FORCE_MULTI_INPUT 0x0015
#define MT_CLS_WIN_8_DISABLE_WAKEUP 0x0016
#define MT_CLS_WIN_8_NO_STICKY_FINGERS 0x0017
+#define MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU 0x0018
/* vendor specific classes */
#define MT_CLS_3M 0x0101
@@ -286,6 +287,15 @@ static const struct mt_class mt_classes[] = {
MT_QUIRK_WIN8_PTP_BUTTONS |
MT_QUIRK_FORCE_MULTI_INPUT,
.export_all_inputs = true },
+ { .name = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
+ .quirks = MT_QUIRK_IGNORE_DUPLICATES |
+ MT_QUIRK_HOVERING |
+ MT_QUIRK_CONTACT_CNT_ACCURATE |
+ MT_QUIRK_STICKY_FINGERS |
+ MT_QUIRK_WIN8_PTP_BUTTONS |
+ MT_QUIRK_FORCE_MULTI_INPUT |
+ MT_QUIRK_NOT_SEEN_MEANS_UP,
+ .export_all_inputs = true },
{ .name = MT_CLS_WIN_8_DISABLE_WAKEUP,
.quirks = MT_QUIRK_ALWAYS_VALID |
MT_QUIRK_IGNORE_DUPLICATES |
@@ -783,6 +793,7 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_DG_CONFIDENCE:
if ((cls->name == MT_CLS_WIN_8 ||
cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT ||
+ cls->name == MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU ||
cls->name == MT_CLS_WIN_8_DISABLE_WAKEUP) &&
(field->application == HID_DG_TOUCHPAD ||
field->application == HID_DG_TOUCHSCREEN))
@@ -2033,7 +2044,7 @@ static const struct hid_device_id mt_devices[] = {
USB_DEVICE_ID_LENOVO_X1_TAB3) },
/* Lenovo X12 TAB Gen 1 */
- { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
USB_VENDOR_ID_LENOVO,
USB_DEVICE_ID_LENOVO_X12_TAB) },
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 163/244] PCI: Add ACS quirk for Broadcom BCM5750x NICs
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (161 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 162/244] HID: multitouch: new device class fix Lenovo X12 trackpad sticky Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 164/244] platform/chrome: cros_ec_proto: dont show MKBP version if unsupported Greg Kroah-Hartman
` (82 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Pavan Chebbi, Michael Chan,
Bjorn Helgaas, Sasha Levin
From: Pavan Chebbi <pavan.chebbi@broadcom.com>
[ Upstream commit afd306a65cedb9589564bdb23a0c368abc4215fd ]
The Broadcom BCM5750x NICs may be multi-function devices. They do not
advertise ACS capability. Peer-to-peer transactions are not possible
between the individual functions, so it is safe to treat them as fully
isolated.
Add an ACS quirk for these devices so the functions can be in independent
IOMMU groups and attached individually to userspace applications using
VFIO.
Link: https://lore.kernel.org/r/1654796507-28610-1-git-send-email-michael.chan@broadcom.com
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pci/quirks.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 4893b1e82403..a531064233f9 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4923,6 +4923,9 @@ static const struct pci_dev_acs_enabled {
{ PCI_VENDOR_ID_AMPERE, 0xE00C, pci_quirk_xgene_acs },
/* Broadcom multi-function device */
{ PCI_VENDOR_ID_BROADCOM, 0x16D7, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1750, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1751, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_BROADCOM, 0x1752, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
/* Amazon Annapurna Labs */
{ PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs },
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 164/244] platform/chrome: cros_ec_proto: dont show MKBP version if unsupported
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (162 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 163/244] PCI: Add ACS quirk for Broadcom BCM5750x NICs Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 165/244] usb: cdns3 fix use-after-free at workaround 2 Greg Kroah-Hartman
` (81 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guenter Roeck, Tzung-Bi Shih, Sasha Levin
From: Tzung-Bi Shih <tzungbi@kernel.org>
[ Upstream commit b36f0643ff14a2fb281b105418e4e73c9d7c11d0 ]
It wrongly showed the following message when it doesn't support MKBP:
"MKBP support version 4294967295".
Fix it.
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220609084957.3684698-14-tzungbi@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/chrome/cros_ec_proto.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index ed2b4807328d..1575d603d3ff 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -507,13 +507,13 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev)
ret = cros_ec_get_host_command_version_mask(ec_dev,
EC_CMD_GET_NEXT_EVENT,
&ver_mask);
- if (ret < 0 || ver_mask == 0)
+ if (ret < 0 || ver_mask == 0) {
ec_dev->mkbp_event_supported = 0;
- else
+ } else {
ec_dev->mkbp_event_supported = fls(ver_mask);
- dev_dbg(ec_dev->dev, "MKBP support version %u\n",
- ec_dev->mkbp_event_supported - 1);
+ dev_dbg(ec_dev->dev, "MKBP support version %u\n", ec_dev->mkbp_event_supported - 1);
+ }
/* Probe if host sleep v1 is supported for S0ix failure detection. */
ret = cros_ec_get_host_command_version_mask(ec_dev,
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 165/244] usb: cdns3 fix use-after-free at workaround 2
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (163 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 164/244] platform/chrome: cros_ec_proto: dont show MKBP version if unsupported Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 166/244] usb: cdns3: fix random warning message when driver load Greg Kroah-Hartman
` (80 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Frank Li, Faqiang Zhu, Sasha Levin
From: Frank Li <Frank.Li@nxp.com>
[ Upstream commit 7d602f30149a117eea260208b1661bc404c21dfd ]
BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xac
cdns3_wa2_remove_old_request()
{
...
kfree(priv_req->request.buf);
cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request);
list_del_init(&priv_req->list);
^^^ use after free
...
}
cdns3_gadget_ep_free_request() free the space pointed by priv_req,
but priv_req is used in the following list_del_init().
This patch move list_del_init() before cdns3_gadget_ep_free_request().
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Faqiang Zhu <faqiang.zhu@nxp.com>
Link: https://lore.kernel.org/r/20220608190430.2814358-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/cdns3/cdns3-gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index ae049eb28b93..4bcaed787c0f 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -625,9 +625,9 @@ static void cdns3_wa2_remove_old_request(struct cdns3_endpoint *priv_ep)
trace_cdns3_wa2(priv_ep, "removes eldest request");
kfree(priv_req->request.buf);
+ list_del_init(&priv_req->list);
cdns3_gadget_ep_free_request(&priv_ep->endpoint,
&priv_req->request);
- list_del_init(&priv_req->list);
--priv_ep->wa2_counter;
if (!chain)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 166/244] usb: cdns3: fix random warning message when driver load
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (164 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 165/244] usb: cdns3 fix use-after-free at workaround 2 Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 167/244] usb: gadget: uvc: calculate the number of request depending on framesize Greg Kroah-Hartman
` (79 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Frank Li, Sasha Levin
From: Frank Li <Frank.Li@nxp.com>
[ Upstream commit 8659ab3d936fcf0084676f98b75b317017aa8f82 ]
Warning log:
[ 4.141392] Unexpected gfp: 0x4 (GFP_DMA32). Fixing up to gfp: 0xa20 (GFP_ATOMIC). Fix your code!
[ 4.150340] CPU: 1 PID: 175 Comm: 1-0050 Not tainted 5.15.5-00039-g2fd9ae1b568c #20
[ 4.158010] Hardware name: Freescale i.MX8QXP MEK (DT)
[ 4.163155] Call trace:
[ 4.165600] dump_backtrace+0x0/0x1b0
[ 4.169286] show_stack+0x18/0x68
[ 4.172611] dump_stack_lvl+0x68/0x84
[ 4.176286] dump_stack+0x18/0x34
[ 4.179613] kmalloc_fix_flags+0x60/0x88
[ 4.183550] new_slab+0x334/0x370
[ 4.186878] ___slab_alloc.part.108+0x4d4/0x748
[ 4.191419] __slab_alloc.isra.109+0x30/0x78
[ 4.195702] kmem_cache_alloc+0x40c/0x420
[ 4.199725] dma_pool_alloc+0xac/0x1f8
[ 4.203486] cdns3_allocate_trb_pool+0xb4/0xd0
pool_alloc_page(struct dma_pool *pool, gfp_t mem_flags)
{
...
page = kmalloc(sizeof(*page), mem_flags);
page->vaddr = dma_alloc_coherent(pool->dev, pool->allocation,
&page->dma, mem_flags);
...
}
kmalloc was called with mem_flags, which is passed down in
cdns3_allocate_trb_pool() and have GFP_DMA32 flags.
kmall_fix_flags() report warning.
GFP_DMA32 is not useful at all. dma_alloc_coherent() will handle
DMA memory region correctly by pool->dev. GFP_DMA32 can be removed
safely.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20220609154456.2871672-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/cdns3/cdns3-gadget.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index 4bcaed787c0f..3f1ce8911077 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -220,7 +220,7 @@ int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep)
if (!priv_ep->trb_pool) {
priv_ep->trb_pool = dma_pool_alloc(priv_dev->eps_dma_pool,
- GFP_DMA32 | GFP_ATOMIC,
+ GFP_ATOMIC,
&priv_ep->trb_pool_dma);
if (!priv_ep->trb_pool)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 167/244] usb: gadget: uvc: calculate the number of request depending on framesize
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (165 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 166/244] usb: cdns3: fix random warning message when driver load Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 168/244] usb: gadget: uvc: call uvc uvcg_warn on completed status instead of uvcg_info Greg Kroah-Hartman
` (78 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dan Vacura, Michael Grzeschik, Sasha Levin
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
[ Upstream commit 87d76b5f1d8eeb49efa16e2018e188864cbb9401 ]
The current limitation of possible number of requests being handled is
dependent on the gadget speed. It makes more sense to depend on the
typical frame size when calculating the number of requests. This patch
is changing this and is using the previous limits as boundaries for
reasonable minimum and maximum number of requests.
For a 1080p jpeg encoded video stream with a maximum imagesize of
e.g. 800kB with a maxburst of 8 and an multiplier of 1 the resulting
number of requests is calculated to 49.
800768 1
nreqs = ------ * -------------- ~= 49
2 (1024 * 8 * 1)
Tested-by: Dan Vacura <w36195@motorola.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220529223848.105914-2-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/gadget/function/uvc_queue.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 99dc9adf56ef..a64b842665b9 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -44,7 +44,8 @@ static int uvc_queue_setup(struct vb2_queue *vq,
{
struct uvc_video_queue *queue = vb2_get_drv_priv(vq);
struct uvc_video *video = container_of(queue, struct uvc_video, queue);
- struct usb_composite_dev *cdev = video->uvc->func.config->cdev;
+ unsigned int req_size;
+ unsigned int nreq;
if (*nbuffers > UVC_MAX_VIDEO_BUFFERS)
*nbuffers = UVC_MAX_VIDEO_BUFFERS;
@@ -53,10 +54,16 @@ static int uvc_queue_setup(struct vb2_queue *vq,
sizes[0] = video->imagesize;
- if (cdev->gadget->speed < USB_SPEED_SUPER)
- video->uvc_num_requests = 4;
- else
- video->uvc_num_requests = 64;
+ req_size = video->ep->maxpacket
+ * max_t(unsigned int, video->ep->maxburst, 1)
+ * (video->ep->mult);
+
+ /* We divide by two, to increase the chance to run
+ * into fewer requests for smaller framesizes.
+ */
+ nreq = DIV_ROUND_UP(DIV_ROUND_UP(sizes[0], 2), req_size);
+ nreq = clamp(nreq, 4U, 64U);
+ video->uvc_num_requests = nreq;
return 0;
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 168/244] usb: gadget: uvc: call uvc uvcg_warn on completed status instead of uvcg_info
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (166 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 167/244] usb: gadget: uvc: calculate the number of request depending on framesize Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 169/244] PCI: aardvark: Fix reporting Slot capabilities on emulated bridge Greg Kroah-Hartman
` (77 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Laurent Pinchart, Michael Grzeschik,
Sasha Levin
From: Michael Grzeschik <m.grzeschik@pengutronix.de>
[ Upstream commit a725d0f6dfc5d3739d6499f30ec865305ba3544d ]
Likewise to the uvcvideo hostside driver, this patch is changing the
usb_request message of an non zero completion handler call from dev_info
to dev_warn.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220529223848.105914-4-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/gadget/function/uvc_video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index b4a763e5f70e..e170e88abf3a 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -225,7 +225,7 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
break;
default:
- uvcg_info(&video->uvc->func,
+ uvcg_warn(&video->uvc->func,
"VS request completed with status %d.\n",
req->status);
uvcg_queue_cancel(queue, 0);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 169/244] PCI: aardvark: Fix reporting Slot capabilities on emulated bridge
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (167 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 168/244] usb: gadget: uvc: call uvc uvcg_warn on completed status instead of uvcg_info Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 170/244] irqchip/tegra: Fix overflow implicit truncation warnings Greg Kroah-Hartman
` (76 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Pali Rohár, Marek Behún,
Bjorn Helgaas, Sasha Levin
From: Pali Rohár <pali@kernel.org>
[ Upstream commit bcdb6fd4f3e9ac1097698c8d8f56b70853b49873 ]
Slot capabilities are currently not reported because emulated bridge does
not report the PCI_EXP_FLAGS_SLOT flag.
Set PCI_EXP_FLAGS_SLOT to let the kernel know that PCI_EXP_SLT* registers
are supported.
Move setting of PCI_EXP_SLTCTL register from "dynamic" pcie_conf_read
function to static buffer as it is only statically filled the
PCI_EXP_SLTSTA_PDS flag and dynamic read callback is not needed for this
register.
Set Presence State Bit to 1 since there is no support for unplugging the
card and there is currently no platform able to detect presence of a card -
in such a case the bit needs to be set to 1.
Finally correctly set Physical Slot Number to 1 since there is only one
port and zero value is reserved for ports within the same silicon as Root
Port which is not our case for Aardvark HW.
Link: https://lore.kernel.org/r/20220524132827.8837-3-kabel@kernel.org
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pci/controller/pci-aardvark.c | 33 +++++++++++++++++++--------
1 file changed, 24 insertions(+), 9 deletions(-)
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 7cc2c54daad0..215f7510de9a 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -8,6 +8,7 @@
* Author: Hezi Shahmoon <hezi.shahmoon@marvell.com>
*/
+#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
@@ -857,14 +858,11 @@ advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge,
switch (reg) {
- case PCI_EXP_SLTCTL:
- *value = PCI_EXP_SLTSTA_PDS << 16;
- return PCI_BRIDGE_EMUL_HANDLED;
-
/*
- * PCI_EXP_RTCTL and PCI_EXP_RTSTA are also supported, but do not need
- * to be handled here, because their values are stored in emulated
- * config space buffer, and we read them from there when needed.
+ * PCI_EXP_SLTCAP, PCI_EXP_SLTCTL, PCI_EXP_RTCTL and PCI_EXP_RTSTA are
+ * also supported, but do not need to be handled here, because their
+ * values are stored in emulated config space buffer, and we read them
+ * from there when needed.
*/
case PCI_EXP_LNKCAP: {
@@ -977,8 +975,25 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie)
/* Support interrupt A for MSI feature */
bridge->conf.intpin = PCI_INTERRUPT_INTA;
- /* Aardvark HW provides PCIe Capability structure in version 2 */
- bridge->pcie_conf.cap = cpu_to_le16(2);
+ /*
+ * Aardvark HW provides PCIe Capability structure in version 2 and
+ * indicate slot support, which is emulated.
+ */
+ bridge->pcie_conf.cap = cpu_to_le16(2 | PCI_EXP_FLAGS_SLOT);
+
+ /*
+ * Set Presence Detect State bit permanently since there is no support
+ * for unplugging the card nor detecting whether it is plugged. (If a
+ * platform exists in the future that supports it, via a GPIO for
+ * example, it should be implemented via this bit.)
+ *
+ * Set physical slot number to 1 since there is only one port and zero
+ * value is reserved for ports within the same silicon as Root Port
+ * which is not our case.
+ */
+ bridge->pcie_conf.slotcap = cpu_to_le32(FIELD_PREP(PCI_EXP_SLTCAP_PSN,
+ 1));
+ bridge->pcie_conf.slotsta = cpu_to_le16(PCI_EXP_SLTSTA_PDS);
/* Indicates supports for Completion Retry Status */
bridge->pcie_conf.rootcap = cpu_to_le16(PCI_EXP_RTCAP_CRSVIS);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 170/244] irqchip/tegra: Fix overflow implicit truncation warnings
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (168 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 169/244] PCI: aardvark: Fix reporting Slot capabilities on emulated bridge Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 171/244] drm/meson: " Greg Kroah-Hartman
` (75 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Marc Zyngier, Sai Prakash Ranjan,
Arnd Bergmann, Sasha Levin
From: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
[ Upstream commit 443685992bda9bb4f8b17fc02c9f6c60e62b1461 ]
Fix -Woverflow warnings for tegra irqchip driver which is a result
of moving arm64 custom MMIO accessor macros to asm-generic function
implementations giving a bonus type-checking now and uncovering these
overflow warnings.
drivers/irqchip/irq-tegra.c: In function ‘tegra_ictlr_suspend’:
drivers/irqchip/irq-tegra.c:151:18: warning: large integer implicitly truncated to unsigned type [-Woverflow]
writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
^
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/irqchip/irq-tegra.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c
index e1f771c72fc4..ad3e2c1b3c87 100644
--- a/drivers/irqchip/irq-tegra.c
+++ b/drivers/irqchip/irq-tegra.c
@@ -148,10 +148,10 @@ static int tegra_ictlr_suspend(void)
lic->cop_iep[i] = readl_relaxed(ictlr + ICTLR_COP_IEP_CLASS);
/* Disable COP interrupts */
- writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);
/* Disable CPU interrupts */
- writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);
/* Enable the wakeup sources of ictlr */
writel_relaxed(lic->ictlr_wake_mask[i], ictlr + ICTLR_CPU_IER_SET);
@@ -172,12 +172,12 @@ static void tegra_ictlr_resume(void)
writel_relaxed(lic->cpu_iep[i],
ictlr + ICTLR_CPU_IEP_CLASS);
- writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);
writel_relaxed(lic->cpu_ier[i],
ictlr + ICTLR_CPU_IER_SET);
writel_relaxed(lic->cop_iep[i],
ictlr + ICTLR_COP_IEP_CLASS);
- writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);
writel_relaxed(lic->cop_ier[i],
ictlr + ICTLR_COP_IER_SET);
}
@@ -312,7 +312,7 @@ static int __init tegra_ictlr_init(struct device_node *node,
lic->base[i] = base;
/* Disable all interrupts */
- writel_relaxed(~0UL, base + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), base + ICTLR_CPU_IER_CLR);
/* All interrupts target IRQ */
writel_relaxed(0, base + ICTLR_CPU_IEP_CLASS);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 171/244] drm/meson: Fix overflow implicit truncation warnings
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (169 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 170/244] irqchip/tegra: Fix overflow implicit truncation warnings Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 172/244] clk: ti: Stop using legacy clkctrl names for omap4 and 5 Greg Kroah-Hartman
` (74 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, kernel test robot,
Sai Prakash Ranjan, Arnd Bergmann, Neil Armstrong, Sasha Levin
From: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
[ Upstream commit 98692f52c588225034cbff458622c2c06dfcb544 ]
Fix -Woverflow warnings for drm/meson driver which is a result
of moving arm64 custom MMIO accessor macros to asm-generic function
implementations giving a bonus type-checking now and uncovering these
overflow warnings.
drivers/gpu/drm/meson/meson_viu.c: In function ‘meson_viu_init’:
drivers/gpu/drm/meson/meson_registers.h:1826:48: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
#define VIU_OSD_BLEND_REORDER(dest, src) ((src) << (dest * 4))
^
drivers/gpu/drm/meson/meson_viu.c:472:18: note: in expansion of macro ‘VIU_OSD_BLEND_REORDER’
writel_relaxed(VIU_OSD_BLEND_REORDER(0, 1) |
^~~~~~~~~~~~~~~~~~~~~
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/meson/meson_viu.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
index 259f3e6bec90..bb7e109534de 100644
--- a/drivers/gpu/drm/meson/meson_viu.c
+++ b/drivers/gpu/drm/meson/meson_viu.c
@@ -469,17 +469,17 @@ void meson_viu_init(struct meson_drm *priv)
priv->io_base + _REG(VD2_IF0_LUMA_FIFO_SIZE));
if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
- writel_relaxed(VIU_OSD_BLEND_REORDER(0, 1) |
- VIU_OSD_BLEND_REORDER(1, 0) |
- VIU_OSD_BLEND_REORDER(2, 0) |
- VIU_OSD_BLEND_REORDER(3, 0) |
- VIU_OSD_BLEND_DIN_EN(1) |
- VIU_OSD_BLEND1_DIN3_BYPASS_TO_DOUT1 |
- VIU_OSD_BLEND1_DOUT_BYPASS_TO_BLEND2 |
- VIU_OSD_BLEND_DIN0_BYPASS_TO_DOUT0 |
- VIU_OSD_BLEND_BLEN2_PREMULT_EN(1) |
- VIU_OSD_BLEND_HOLD_LINES(4),
- priv->io_base + _REG(VIU_OSD_BLEND_CTRL));
+ u32 val = (u32)VIU_OSD_BLEND_REORDER(0, 1) |
+ (u32)VIU_OSD_BLEND_REORDER(1, 0) |
+ (u32)VIU_OSD_BLEND_REORDER(2, 0) |
+ (u32)VIU_OSD_BLEND_REORDER(3, 0) |
+ (u32)VIU_OSD_BLEND_DIN_EN(1) |
+ (u32)VIU_OSD_BLEND1_DIN3_BYPASS_TO_DOUT1 |
+ (u32)VIU_OSD_BLEND1_DOUT_BYPASS_TO_BLEND2 |
+ (u32)VIU_OSD_BLEND_DIN0_BYPASS_TO_DOUT0 |
+ (u32)VIU_OSD_BLEND_BLEN2_PREMULT_EN(1) |
+ (u32)VIU_OSD_BLEND_HOLD_LINES(4);
+ writel_relaxed(val, priv->io_base + _REG(VIU_OSD_BLEND_CTRL));
writel_relaxed(OSD_BLEND_PATH_SEL_ENABLE,
priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 172/244] clk: ti: Stop using legacy clkctrl names for omap4 and 5
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (170 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 171/244] drm/meson: " Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 173/244] scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators Greg Kroah-Hartman
` (73 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, linux-clk, Stephen Boyd, Tero Kristo,
Tony Lindgren, Sasha Levin
From: Tony Lindgren <tony@atomide.com>
[ Upstream commit 255584b138343d4a28c6d25bd82d04b09460d672 ]
With the addition of clock-output-names, we can now unify the internal
clock naming for omap4 and 5 to follow the other TI SoCs.
We are still using legacy clkctrl names for omap4 and 5 based on the clock
manager name which is wrong. Instead, we want to use the clkctrl clock
based naming.
We must now also drop the legacy TI_CLK_CLKCTRL_COMPAT quirk for the
clkctrl clock.
This change will allow further devicetree warning cleanup as already
done for am3/4 and dra7.
Cc: linux-clk@vger.kernel.org
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220615064306.22254-1-tony@atomide.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/ti/clk-44xx.c | 210 +++++++++++++++++++-------------------
drivers/clk/ti/clk-54xx.c | 160 ++++++++++++++---------------
drivers/clk/ti/clkctrl.c | 4 -
3 files changed, 185 insertions(+), 189 deletions(-)
diff --git a/drivers/clk/ti/clk-44xx.c b/drivers/clk/ti/clk-44xx.c
index d078e5d73ed9..868bc7af21b0 100644
--- a/drivers/clk/ti/clk-44xx.c
+++ b/drivers/clk/ti/clk-44xx.c
@@ -56,7 +56,7 @@ static const struct omap_clkctrl_bit_data omap4_aess_bit_data[] __initconst = {
};
static const char * const omap4_func_dmic_abe_gfclk_parents[] __initconst = {
- "abe_cm:clk:0018:26",
+ "abe-clkctrl:0018:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -76,7 +76,7 @@ static const struct omap_clkctrl_bit_data omap4_dmic_bit_data[] __initconst = {
};
static const char * const omap4_func_mcasp_abe_gfclk_parents[] __initconst = {
- "abe_cm:clk:0020:26",
+ "abe-clkctrl:0020:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -89,7 +89,7 @@ static const struct omap_clkctrl_bit_data omap4_mcasp_bit_data[] __initconst = {
};
static const char * const omap4_func_mcbsp1_gfclk_parents[] __initconst = {
- "abe_cm:clk:0028:26",
+ "abe-clkctrl:0028:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -102,7 +102,7 @@ static const struct omap_clkctrl_bit_data omap4_mcbsp1_bit_data[] __initconst =
};
static const char * const omap4_func_mcbsp2_gfclk_parents[] __initconst = {
- "abe_cm:clk:0030:26",
+ "abe-clkctrl:0030:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -115,7 +115,7 @@ static const struct omap_clkctrl_bit_data omap4_mcbsp2_bit_data[] __initconst =
};
static const char * const omap4_func_mcbsp3_gfclk_parents[] __initconst = {
- "abe_cm:clk:0038:26",
+ "abe-clkctrl:0038:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -183,18 +183,18 @@ static const struct omap_clkctrl_bit_data omap4_timer8_bit_data[] __initconst =
static const struct omap_clkctrl_reg_data omap4_abe_clkctrl_regs[] __initconst = {
{ OMAP4_L4_ABE_CLKCTRL, NULL, 0, "ocp_abe_iclk" },
- { OMAP4_AESS_CLKCTRL, omap4_aess_bit_data, CLKF_SW_SUP, "abe_cm:clk:0008:24" },
+ { OMAP4_AESS_CLKCTRL, omap4_aess_bit_data, CLKF_SW_SUP, "abe-clkctrl:0008:24" },
{ OMAP4_MCPDM_CLKCTRL, NULL, CLKF_SW_SUP, "pad_clks_ck" },
- { OMAP4_DMIC_CLKCTRL, omap4_dmic_bit_data, CLKF_SW_SUP, "abe_cm:clk:0018:24" },
- { OMAP4_MCASP_CLKCTRL, omap4_mcasp_bit_data, CLKF_SW_SUP, "abe_cm:clk:0020:24" },
- { OMAP4_MCBSP1_CLKCTRL, omap4_mcbsp1_bit_data, CLKF_SW_SUP, "abe_cm:clk:0028:24" },
- { OMAP4_MCBSP2_CLKCTRL, omap4_mcbsp2_bit_data, CLKF_SW_SUP, "abe_cm:clk:0030:24" },
- { OMAP4_MCBSP3_CLKCTRL, omap4_mcbsp3_bit_data, CLKF_SW_SUP, "abe_cm:clk:0038:24" },
- { OMAP4_SLIMBUS1_CLKCTRL, omap4_slimbus1_bit_data, CLKF_SW_SUP, "abe_cm:clk:0040:8" },
- { OMAP4_TIMER5_CLKCTRL, omap4_timer5_bit_data, CLKF_SW_SUP, "abe_cm:clk:0048:24" },
- { OMAP4_TIMER6_CLKCTRL, omap4_timer6_bit_data, CLKF_SW_SUP, "abe_cm:clk:0050:24" },
- { OMAP4_TIMER7_CLKCTRL, omap4_timer7_bit_data, CLKF_SW_SUP, "abe_cm:clk:0058:24" },
- { OMAP4_TIMER8_CLKCTRL, omap4_timer8_bit_data, CLKF_SW_SUP, "abe_cm:clk:0060:24" },
+ { OMAP4_DMIC_CLKCTRL, omap4_dmic_bit_data, CLKF_SW_SUP, "abe-clkctrl:0018:24" },
+ { OMAP4_MCASP_CLKCTRL, omap4_mcasp_bit_data, CLKF_SW_SUP, "abe-clkctrl:0020:24" },
+ { OMAP4_MCBSP1_CLKCTRL, omap4_mcbsp1_bit_data, CLKF_SW_SUP, "abe-clkctrl:0028:24" },
+ { OMAP4_MCBSP2_CLKCTRL, omap4_mcbsp2_bit_data, CLKF_SW_SUP, "abe-clkctrl:0030:24" },
+ { OMAP4_MCBSP3_CLKCTRL, omap4_mcbsp3_bit_data, CLKF_SW_SUP, "abe-clkctrl:0038:24" },
+ { OMAP4_SLIMBUS1_CLKCTRL, omap4_slimbus1_bit_data, CLKF_SW_SUP, "abe-clkctrl:0040:8" },
+ { OMAP4_TIMER5_CLKCTRL, omap4_timer5_bit_data, CLKF_SW_SUP, "abe-clkctrl:0048:24" },
+ { OMAP4_TIMER6_CLKCTRL, omap4_timer6_bit_data, CLKF_SW_SUP, "abe-clkctrl:0050:24" },
+ { OMAP4_TIMER7_CLKCTRL, omap4_timer7_bit_data, CLKF_SW_SUP, "abe-clkctrl:0058:24" },
+ { OMAP4_TIMER8_CLKCTRL, omap4_timer8_bit_data, CLKF_SW_SUP, "abe-clkctrl:0060:24" },
{ OMAP4_WD_TIMER3_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ 0 },
};
@@ -287,7 +287,7 @@ static const struct omap_clkctrl_bit_data omap4_fdif_bit_data[] __initconst = {
static const struct omap_clkctrl_reg_data omap4_iss_clkctrl_regs[] __initconst = {
{ OMAP4_ISS_CLKCTRL, omap4_iss_bit_data, CLKF_SW_SUP, "ducati_clk_mux_ck" },
- { OMAP4_FDIF_CLKCTRL, omap4_fdif_bit_data, CLKF_SW_SUP, "iss_cm:clk:0008:24" },
+ { OMAP4_FDIF_CLKCTRL, omap4_fdif_bit_data, CLKF_SW_SUP, "iss-clkctrl:0008:24" },
{ 0 },
};
@@ -320,7 +320,7 @@ static const struct omap_clkctrl_bit_data omap4_dss_core_bit_data[] __initconst
};
static const struct omap_clkctrl_reg_data omap4_l3_dss_clkctrl_regs[] __initconst = {
- { OMAP4_DSS_CORE_CLKCTRL, omap4_dss_core_bit_data, CLKF_SW_SUP, "l3_dss_cm:clk:0000:8" },
+ { OMAP4_DSS_CORE_CLKCTRL, omap4_dss_core_bit_data, CLKF_SW_SUP, "l3-dss-clkctrl:0000:8" },
{ 0 },
};
@@ -336,7 +336,7 @@ static const struct omap_clkctrl_bit_data omap4_gpu_bit_data[] __initconst = {
};
static const struct omap_clkctrl_reg_data omap4_l3_gfx_clkctrl_regs[] __initconst = {
- { OMAP4_GPU_CLKCTRL, omap4_gpu_bit_data, CLKF_SW_SUP, "l3_gfx_cm:clk:0000:24" },
+ { OMAP4_GPU_CLKCTRL, omap4_gpu_bit_data, CLKF_SW_SUP, "l3-gfx-clkctrl:0000:24" },
{ 0 },
};
@@ -372,12 +372,12 @@ static const struct omap_clkctrl_bit_data omap4_hsi_bit_data[] __initconst = {
};
static const char * const omap4_usb_host_hs_utmi_p1_clk_parents[] __initconst = {
- "l3_init_cm:clk:0038:24",
+ "l3-init-clkctrl:0038:24",
NULL,
};
static const char * const omap4_usb_host_hs_utmi_p2_clk_parents[] __initconst = {
- "l3_init_cm:clk:0038:25",
+ "l3-init-clkctrl:0038:25",
NULL,
};
@@ -418,7 +418,7 @@ static const struct omap_clkctrl_bit_data omap4_usb_host_hs_bit_data[] __initcon
};
static const char * const omap4_usb_otg_hs_xclk_parents[] __initconst = {
- "l3_init_cm:clk:0040:24",
+ "l3-init-clkctrl:0040:24",
NULL,
};
@@ -452,14 +452,14 @@ static const struct omap_clkctrl_bit_data omap4_ocp2scp_usb_phy_bit_data[] __ini
};
static const struct omap_clkctrl_reg_data omap4_l3_init_clkctrl_regs[] __initconst = {
- { OMAP4_MMC1_CLKCTRL, omap4_mmc1_bit_data, CLKF_SW_SUP, "l3_init_cm:clk:0008:24" },
- { OMAP4_MMC2_CLKCTRL, omap4_mmc2_bit_data, CLKF_SW_SUP, "l3_init_cm:clk:0010:24" },
- { OMAP4_HSI_CLKCTRL, omap4_hsi_bit_data, CLKF_HW_SUP, "l3_init_cm:clk:0018:24" },
+ { OMAP4_MMC1_CLKCTRL, omap4_mmc1_bit_data, CLKF_SW_SUP, "l3-init-clkctrl:0008:24" },
+ { OMAP4_MMC2_CLKCTRL, omap4_mmc2_bit_data, CLKF_SW_SUP, "l3-init-clkctrl:0010:24" },
+ { OMAP4_HSI_CLKCTRL, omap4_hsi_bit_data, CLKF_HW_SUP, "l3-init-clkctrl:0018:24" },
{ OMAP4_USB_HOST_HS_CLKCTRL, omap4_usb_host_hs_bit_data, CLKF_SW_SUP, "init_60m_fclk" },
{ OMAP4_USB_OTG_HS_CLKCTRL, omap4_usb_otg_hs_bit_data, CLKF_HW_SUP, "l3_div_ck" },
{ OMAP4_USB_TLL_HS_CLKCTRL, omap4_usb_tll_hs_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_USB_HOST_FS_CLKCTRL, NULL, CLKF_SW_SUP, "func_48mc_fclk" },
- { OMAP4_OCP2SCP_USB_PHY_CLKCTRL, omap4_ocp2scp_usb_phy_bit_data, CLKF_HW_SUP, "l3_init_cm:clk:00c0:8" },
+ { OMAP4_OCP2SCP_USB_PHY_CLKCTRL, omap4_ocp2scp_usb_phy_bit_data, CLKF_HW_SUP, "l3-init-clkctrl:00c0:8" },
{ 0 },
};
@@ -530,7 +530,7 @@ static const struct omap_clkctrl_bit_data omap4_gpio6_bit_data[] __initconst = {
};
static const char * const omap4_per_mcbsp4_gfclk_parents[] __initconst = {
- "l4_per_cm:clk:00c0:26",
+ "l4-per-clkctrl:00c0:26",
"pad_clks_ck",
NULL,
};
@@ -570,12 +570,12 @@ static const struct omap_clkctrl_bit_data omap4_slimbus2_bit_data[] __initconst
};
static const struct omap_clkctrl_reg_data omap4_l4_per_clkctrl_regs[] __initconst = {
- { OMAP4_TIMER10_CLKCTRL, omap4_timer10_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0008:24" },
- { OMAP4_TIMER11_CLKCTRL, omap4_timer11_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0010:24" },
- { OMAP4_TIMER2_CLKCTRL, omap4_timer2_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0018:24" },
- { OMAP4_TIMER3_CLKCTRL, omap4_timer3_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0020:24" },
- { OMAP4_TIMER4_CLKCTRL, omap4_timer4_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0028:24" },
- { OMAP4_TIMER9_CLKCTRL, omap4_timer9_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0030:24" },
+ { OMAP4_TIMER10_CLKCTRL, omap4_timer10_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0008:24" },
+ { OMAP4_TIMER11_CLKCTRL, omap4_timer11_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0010:24" },
+ { OMAP4_TIMER2_CLKCTRL, omap4_timer2_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0018:24" },
+ { OMAP4_TIMER3_CLKCTRL, omap4_timer3_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0020:24" },
+ { OMAP4_TIMER4_CLKCTRL, omap4_timer4_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0028:24" },
+ { OMAP4_TIMER9_CLKCTRL, omap4_timer9_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0030:24" },
{ OMAP4_ELM_CLKCTRL, NULL, 0, "l4_div_ck" },
{ OMAP4_GPIO2_CLKCTRL, omap4_gpio2_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_GPIO3_CLKCTRL, omap4_gpio3_bit_data, CLKF_HW_SUP, "l4_div_ck" },
@@ -588,14 +588,14 @@ static const struct omap_clkctrl_reg_data omap4_l4_per_clkctrl_regs[] __initcons
{ OMAP4_I2C3_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_I2C4_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_L4_PER_CLKCTRL, NULL, 0, "l4_div_ck" },
- { OMAP4_MCBSP4_CLKCTRL, omap4_mcbsp4_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:00c0:24" },
+ { OMAP4_MCBSP4_CLKCTRL, omap4_mcbsp4_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:00c0:24" },
{ OMAP4_MCSPI1_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI2_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI4_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MMC4_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
- { OMAP4_SLIMBUS2_CLKCTRL, omap4_slimbus2_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0118:8" },
+ { OMAP4_SLIMBUS2_CLKCTRL, omap4_slimbus2_bit_data, CLKF_SW_SUP, "l4-per-clkctrl:0118:8" },
{ OMAP4_UART1_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_UART2_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_UART3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
@@ -630,7 +630,7 @@ static const struct omap_clkctrl_reg_data omap4_l4_wkup_clkctrl_regs[] __initcon
{ OMAP4_L4_WKUP_CLKCTRL, NULL, 0, "l4_wkup_clk_mux_ck" },
{ OMAP4_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ OMAP4_GPIO1_CLKCTRL, omap4_gpio1_bit_data, CLKF_HW_SUP, "l4_wkup_clk_mux_ck" },
- { OMAP4_TIMER1_CLKCTRL, omap4_timer1_bit_data, CLKF_SW_SUP, "l4_wkup_cm:clk:0020:24" },
+ { OMAP4_TIMER1_CLKCTRL, omap4_timer1_bit_data, CLKF_SW_SUP, "l4-wkup-clkctrl:0020:24" },
{ OMAP4_COUNTER_32K_CLKCTRL, NULL, 0, "sys_32k_ck" },
{ OMAP4_KBD_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ 0 },
@@ -644,7 +644,7 @@ static const char * const omap4_pmd_stm_clock_mux_ck_parents[] __initconst = {
};
static const char * const omap4_trace_clk_div_div_ck_parents[] __initconst = {
- "emu_sys_cm:clk:0000:22",
+ "emu-sys-clkctrl:0000:22",
NULL,
};
@@ -662,7 +662,7 @@ static const struct omap_clkctrl_div_data omap4_trace_clk_div_div_ck_data __init
};
static const char * const omap4_stm_clk_div_ck_parents[] __initconst = {
- "emu_sys_cm:clk:0000:20",
+ "emu-sys-clkctrl:0000:20",
NULL,
};
@@ -716,73 +716,73 @@ static struct ti_dt_clk omap44xx_clks[] = {
* hwmod support. Once hwmod is removed, these can be removed
* also.
*/
- DT_CLK(NULL, "aess_fclk", "abe_cm:0008:24"),
- DT_CLK(NULL, "cm2_dm10_mux", "l4_per_cm:0008:24"),
- DT_CLK(NULL, "cm2_dm11_mux", "l4_per_cm:0010:24"),
- DT_CLK(NULL, "cm2_dm2_mux", "l4_per_cm:0018:24"),
- DT_CLK(NULL, "cm2_dm3_mux", "l4_per_cm:0020:24"),
- DT_CLK(NULL, "cm2_dm4_mux", "l4_per_cm:0028:24"),
- DT_CLK(NULL, "cm2_dm9_mux", "l4_per_cm:0030:24"),
- DT_CLK(NULL, "dmic_sync_mux_ck", "abe_cm:0018:26"),
- DT_CLK(NULL, "dmt1_clk_mux", "l4_wkup_cm:0020:24"),
- DT_CLK(NULL, "dss_48mhz_clk", "l3_dss_cm:0000:9"),
- DT_CLK(NULL, "dss_dss_clk", "l3_dss_cm:0000:8"),
- DT_CLK(NULL, "dss_sys_clk", "l3_dss_cm:0000:10"),
- DT_CLK(NULL, "dss_tv_clk", "l3_dss_cm:0000:11"),
- DT_CLK(NULL, "fdif_fck", "iss_cm:0008:24"),
- DT_CLK(NULL, "func_dmic_abe_gfclk", "abe_cm:0018:24"),
- DT_CLK(NULL, "func_mcasp_abe_gfclk", "abe_cm:0020:24"),
- DT_CLK(NULL, "func_mcbsp1_gfclk", "abe_cm:0028:24"),
- DT_CLK(NULL, "func_mcbsp2_gfclk", "abe_cm:0030:24"),
- DT_CLK(NULL, "func_mcbsp3_gfclk", "abe_cm:0038:24"),
- DT_CLK(NULL, "gpio1_dbclk", "l4_wkup_cm:0018:8"),
- DT_CLK(NULL, "gpio2_dbclk", "l4_per_cm:0040:8"),
- DT_CLK(NULL, "gpio3_dbclk", "l4_per_cm:0048:8"),
- DT_CLK(NULL, "gpio4_dbclk", "l4_per_cm:0050:8"),
- DT_CLK(NULL, "gpio5_dbclk", "l4_per_cm:0058:8"),
- DT_CLK(NULL, "gpio6_dbclk", "l4_per_cm:0060:8"),
- DT_CLK(NULL, "hsi_fck", "l3_init_cm:0018:24"),
- DT_CLK(NULL, "hsmmc1_fclk", "l3_init_cm:0008:24"),
- DT_CLK(NULL, "hsmmc2_fclk", "l3_init_cm:0010:24"),
- DT_CLK(NULL, "iss_ctrlclk", "iss_cm:0000:8"),
- DT_CLK(NULL, "mcasp_sync_mux_ck", "abe_cm:0020:26"),
- DT_CLK(NULL, "mcbsp1_sync_mux_ck", "abe_cm:0028:26"),
- DT_CLK(NULL, "mcbsp2_sync_mux_ck", "abe_cm:0030:26"),
- DT_CLK(NULL, "mcbsp3_sync_mux_ck", "abe_cm:0038:26"),
- DT_CLK(NULL, "mcbsp4_sync_mux_ck", "l4_per_cm:00c0:26"),
- DT_CLK(NULL, "ocp2scp_usb_phy_phy_48m", "l3_init_cm:00c0:8"),
- DT_CLK(NULL, "otg_60m_gfclk", "l3_init_cm:0040:24"),
- DT_CLK(NULL, "per_mcbsp4_gfclk", "l4_per_cm:00c0:24"),
- DT_CLK(NULL, "pmd_stm_clock_mux_ck", "emu_sys_cm:0000:20"),
- DT_CLK(NULL, "pmd_trace_clk_mux_ck", "emu_sys_cm:0000:22"),
- DT_CLK(NULL, "sgx_clk_mux", "l3_gfx_cm:0000:24"),
- DT_CLK(NULL, "slimbus1_fclk_0", "abe_cm:0040:8"),
- DT_CLK(NULL, "slimbus1_fclk_1", "abe_cm:0040:9"),
- DT_CLK(NULL, "slimbus1_fclk_2", "abe_cm:0040:10"),
- DT_CLK(NULL, "slimbus1_slimbus_clk", "abe_cm:0040:11"),
- DT_CLK(NULL, "slimbus2_fclk_0", "l4_per_cm:0118:8"),
- DT_CLK(NULL, "slimbus2_fclk_1", "l4_per_cm:0118:9"),
- DT_CLK(NULL, "slimbus2_slimbus_clk", "l4_per_cm:0118:10"),
- DT_CLK(NULL, "stm_clk_div_ck", "emu_sys_cm:0000:27"),
- DT_CLK(NULL, "timer5_sync_mux", "abe_cm:0048:24"),
- DT_CLK(NULL, "timer6_sync_mux", "abe_cm:0050:24"),
- DT_CLK(NULL, "timer7_sync_mux", "abe_cm:0058:24"),
- DT_CLK(NULL, "timer8_sync_mux", "abe_cm:0060:24"),
- DT_CLK(NULL, "trace_clk_div_div_ck", "emu_sys_cm:0000:24"),
- DT_CLK(NULL, "usb_host_hs_func48mclk", "l3_init_cm:0038:15"),
- DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "l3_init_cm:0038:13"),
- DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "l3_init_cm:0038:14"),
- DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "l3_init_cm:0038:11"),
- DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "l3_init_cm:0038:12"),
- DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "l3_init_cm:0038:8"),
- DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "l3_init_cm:0038:9"),
- DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "l3_init_cm:0038:10"),
- DT_CLK(NULL, "usb_otg_hs_xclk", "l3_init_cm:0040:8"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "l3_init_cm:0048:8"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "l3_init_cm:0048:9"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "l3_init_cm:0048:10"),
- DT_CLK(NULL, "utmi_p1_gfclk", "l3_init_cm:0038:24"),
- DT_CLK(NULL, "utmi_p2_gfclk", "l3_init_cm:0038:25"),
+ DT_CLK(NULL, "aess_fclk", "abe-clkctrl:0008:24"),
+ DT_CLK(NULL, "cm2_dm10_mux", "l4-per-clkctrl:0008:24"),
+ DT_CLK(NULL, "cm2_dm11_mux", "l4-per-clkctrl:0010:24"),
+ DT_CLK(NULL, "cm2_dm2_mux", "l4-per-clkctrl:0018:24"),
+ DT_CLK(NULL, "cm2_dm3_mux", "l4-per-clkctrl:0020:24"),
+ DT_CLK(NULL, "cm2_dm4_mux", "l4-per-clkctrl:0028:24"),
+ DT_CLK(NULL, "cm2_dm9_mux", "l4-per-clkctrl:0030:24"),
+ DT_CLK(NULL, "dmic_sync_mux_ck", "abe-clkctrl:0018:26"),
+ DT_CLK(NULL, "dmt1_clk_mux", "l4-wkup-clkctrl:0020:24"),
+ DT_CLK(NULL, "dss_48mhz_clk", "l3-dss-clkctrl:0000:9"),
+ DT_CLK(NULL, "dss_dss_clk", "l3-dss-clkctrl:0000:8"),
+ DT_CLK(NULL, "dss_sys_clk", "l3-dss-clkctrl:0000:10"),
+ DT_CLK(NULL, "dss_tv_clk", "l3-dss-clkctrl:0000:11"),
+ DT_CLK(NULL, "fdif_fck", "iss-clkctrl:0008:24"),
+ DT_CLK(NULL, "func_dmic_abe_gfclk", "abe-clkctrl:0018:24"),
+ DT_CLK(NULL, "func_mcasp_abe_gfclk", "abe-clkctrl:0020:24"),
+ DT_CLK(NULL, "func_mcbsp1_gfclk", "abe-clkctrl:0028:24"),
+ DT_CLK(NULL, "func_mcbsp2_gfclk", "abe-clkctrl:0030:24"),
+ DT_CLK(NULL, "func_mcbsp3_gfclk", "abe-clkctrl:0038:24"),
+ DT_CLK(NULL, "gpio1_dbclk", "l4-wkup-clkctrl:0018:8"),
+ DT_CLK(NULL, "gpio2_dbclk", "l4-per-clkctrl:0040:8"),
+ DT_CLK(NULL, "gpio3_dbclk", "l4-per-clkctrl:0048:8"),
+ DT_CLK(NULL, "gpio4_dbclk", "l4-per-clkctrl:0050:8"),
+ DT_CLK(NULL, "gpio5_dbclk", "l4-per-clkctrl:0058:8"),
+ DT_CLK(NULL, "gpio6_dbclk", "l4-per-clkctrl:0060:8"),
+ DT_CLK(NULL, "hsi_fck", "l3-init-clkctrl:0018:24"),
+ DT_CLK(NULL, "hsmmc1_fclk", "l3-init-clkctrl:0008:24"),
+ DT_CLK(NULL, "hsmmc2_fclk", "l3-init-clkctrl:0010:24"),
+ DT_CLK(NULL, "iss_ctrlclk", "iss-clkctrl:0000:8"),
+ DT_CLK(NULL, "mcasp_sync_mux_ck", "abe-clkctrl:0020:26"),
+ DT_CLK(NULL, "mcbsp1_sync_mux_ck", "abe-clkctrl:0028:26"),
+ DT_CLK(NULL, "mcbsp2_sync_mux_ck", "abe-clkctrl:0030:26"),
+ DT_CLK(NULL, "mcbsp3_sync_mux_ck", "abe-clkctrl:0038:26"),
+ DT_CLK(NULL, "mcbsp4_sync_mux_ck", "l4-per-clkctrl:00c0:26"),
+ DT_CLK(NULL, "ocp2scp_usb_phy_phy_48m", "l3-init-clkctrl:00c0:8"),
+ DT_CLK(NULL, "otg_60m_gfclk", "l3-init-clkctrl:0040:24"),
+ DT_CLK(NULL, "per_mcbsp4_gfclk", "l4-per-clkctrl:00c0:24"),
+ DT_CLK(NULL, "pmd_stm_clock_mux_ck", "emu-sys-clkctrl:0000:20"),
+ DT_CLK(NULL, "pmd_trace_clk_mux_ck", "emu-sys-clkctrl:0000:22"),
+ DT_CLK(NULL, "sgx_clk_mux", "l3-gfx-clkctrl:0000:24"),
+ DT_CLK(NULL, "slimbus1_fclk_0", "abe-clkctrl:0040:8"),
+ DT_CLK(NULL, "slimbus1_fclk_1", "abe-clkctrl:0040:9"),
+ DT_CLK(NULL, "slimbus1_fclk_2", "abe-clkctrl:0040:10"),
+ DT_CLK(NULL, "slimbus1_slimbus_clk", "abe-clkctrl:0040:11"),
+ DT_CLK(NULL, "slimbus2_fclk_0", "l4-per-clkctrl:0118:8"),
+ DT_CLK(NULL, "slimbus2_fclk_1", "l4-per-clkctrl:0118:9"),
+ DT_CLK(NULL, "slimbus2_slimbus_clk", "l4-per-clkctrl:0118:10"),
+ DT_CLK(NULL, "stm_clk_div_ck", "emu-sys-clkctrl:0000:27"),
+ DT_CLK(NULL, "timer5_sync_mux", "abe-clkctrl:0048:24"),
+ DT_CLK(NULL, "timer6_sync_mux", "abe-clkctrl:0050:24"),
+ DT_CLK(NULL, "timer7_sync_mux", "abe-clkctrl:0058:24"),
+ DT_CLK(NULL, "timer8_sync_mux", "abe-clkctrl:0060:24"),
+ DT_CLK(NULL, "trace_clk_div_div_ck", "emu-sys-clkctrl:0000:24"),
+ DT_CLK(NULL, "usb_host_hs_func48mclk", "l3-init-clkctrl:0038:15"),
+ DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "l3-init-clkctrl:0038:13"),
+ DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "l3-init-clkctrl:0038:14"),
+ DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "l3-init-clkctrl:0038:11"),
+ DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "l3-init-clkctrl:0038:12"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "l3-init-clkctrl:0038:8"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "l3-init-clkctrl:0038:9"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "l3_init-clkctrl:0038:10"),
+ DT_CLK(NULL, "usb_otg_hs_xclk", "l3-init-clkctrl:0040:8"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "l3-init-clkctrl:0048:8"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "l3-init-clkctrl:0048:9"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "l3-init-clkctrl:0048:10"),
+ DT_CLK(NULL, "utmi_p1_gfclk", "l3-init-clkctrl:0038:24"),
+ DT_CLK(NULL, "utmi_p2_gfclk", "l3-init-clkctrl:0038:25"),
{ .node_name = NULL },
};
diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c
index 90e0a9ea6351..b4aff76eb373 100644
--- a/drivers/clk/ti/clk-54xx.c
+++ b/drivers/clk/ti/clk-54xx.c
@@ -50,7 +50,7 @@ static const struct omap_clkctrl_bit_data omap5_aess_bit_data[] __initconst = {
};
static const char * const omap5_dmic_gfclk_parents[] __initconst = {
- "abe_cm:clk:0018:26",
+ "abe-clkctrl:0018:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -70,7 +70,7 @@ static const struct omap_clkctrl_bit_data omap5_dmic_bit_data[] __initconst = {
};
static const char * const omap5_mcbsp1_gfclk_parents[] __initconst = {
- "abe_cm:clk:0028:26",
+ "abe-clkctrl:0028:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -83,7 +83,7 @@ static const struct omap_clkctrl_bit_data omap5_mcbsp1_bit_data[] __initconst =
};
static const char * const omap5_mcbsp2_gfclk_parents[] __initconst = {
- "abe_cm:clk:0030:26",
+ "abe-clkctrl:0030:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -96,7 +96,7 @@ static const struct omap_clkctrl_bit_data omap5_mcbsp2_bit_data[] __initconst =
};
static const char * const omap5_mcbsp3_gfclk_parents[] __initconst = {
- "abe_cm:clk:0038:26",
+ "abe-clkctrl:0038:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
@@ -136,16 +136,16 @@ static const struct omap_clkctrl_bit_data omap5_timer8_bit_data[] __initconst =
static const struct omap_clkctrl_reg_data omap5_abe_clkctrl_regs[] __initconst = {
{ OMAP5_L4_ABE_CLKCTRL, NULL, 0, "abe_iclk" },
- { OMAP5_AESS_CLKCTRL, omap5_aess_bit_data, CLKF_SW_SUP, "abe_cm:clk:0008:24" },
+ { OMAP5_AESS_CLKCTRL, omap5_aess_bit_data, CLKF_SW_SUP, "abe-clkctrl:0008:24" },
{ OMAP5_MCPDM_CLKCTRL, NULL, CLKF_SW_SUP, "pad_clks_ck" },
- { OMAP5_DMIC_CLKCTRL, omap5_dmic_bit_data, CLKF_SW_SUP, "abe_cm:clk:0018:24" },
- { OMAP5_MCBSP1_CLKCTRL, omap5_mcbsp1_bit_data, CLKF_SW_SUP, "abe_cm:clk:0028:24" },
- { OMAP5_MCBSP2_CLKCTRL, omap5_mcbsp2_bit_data, CLKF_SW_SUP, "abe_cm:clk:0030:24" },
- { OMAP5_MCBSP3_CLKCTRL, omap5_mcbsp3_bit_data, CLKF_SW_SUP, "abe_cm:clk:0038:24" },
- { OMAP5_TIMER5_CLKCTRL, omap5_timer5_bit_data, CLKF_SW_SUP, "abe_cm:clk:0048:24" },
- { OMAP5_TIMER6_CLKCTRL, omap5_timer6_bit_data, CLKF_SW_SUP, "abe_cm:clk:0050:24" },
- { OMAP5_TIMER7_CLKCTRL, omap5_timer7_bit_data, CLKF_SW_SUP, "abe_cm:clk:0058:24" },
- { OMAP5_TIMER8_CLKCTRL, omap5_timer8_bit_data, CLKF_SW_SUP, "abe_cm:clk:0060:24" },
+ { OMAP5_DMIC_CLKCTRL, omap5_dmic_bit_data, CLKF_SW_SUP, "abe-clkctrl:0018:24" },
+ { OMAP5_MCBSP1_CLKCTRL, omap5_mcbsp1_bit_data, CLKF_SW_SUP, "abe-clkctrl:0028:24" },
+ { OMAP5_MCBSP2_CLKCTRL, omap5_mcbsp2_bit_data, CLKF_SW_SUP, "abe-clkctrl:0030:24" },
+ { OMAP5_MCBSP3_CLKCTRL, omap5_mcbsp3_bit_data, CLKF_SW_SUP, "abe-clkctrl:0038:24" },
+ { OMAP5_TIMER5_CLKCTRL, omap5_timer5_bit_data, CLKF_SW_SUP, "abe-clkctrl:0048:24" },
+ { OMAP5_TIMER6_CLKCTRL, omap5_timer6_bit_data, CLKF_SW_SUP, "abe-clkctrl:0050:24" },
+ { OMAP5_TIMER7_CLKCTRL, omap5_timer7_bit_data, CLKF_SW_SUP, "abe-clkctrl:0058:24" },
+ { OMAP5_TIMER8_CLKCTRL, omap5_timer8_bit_data, CLKF_SW_SUP, "abe-clkctrl:0060:24" },
{ 0 },
};
@@ -268,12 +268,12 @@ static const struct omap_clkctrl_bit_data omap5_gpio8_bit_data[] __initconst = {
};
static const struct omap_clkctrl_reg_data omap5_l4per_clkctrl_regs[] __initconst = {
- { OMAP5_TIMER10_CLKCTRL, omap5_timer10_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0008:24" },
- { OMAP5_TIMER11_CLKCTRL, omap5_timer11_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0010:24" },
- { OMAP5_TIMER2_CLKCTRL, omap5_timer2_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0018:24" },
- { OMAP5_TIMER3_CLKCTRL, omap5_timer3_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0020:24" },
- { OMAP5_TIMER4_CLKCTRL, omap5_timer4_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0028:24" },
- { OMAP5_TIMER9_CLKCTRL, omap5_timer9_bit_data, CLKF_SW_SUP, "l4per_cm:clk:0030:24" },
+ { OMAP5_TIMER10_CLKCTRL, omap5_timer10_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0008:24" },
+ { OMAP5_TIMER11_CLKCTRL, omap5_timer11_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0010:24" },
+ { OMAP5_TIMER2_CLKCTRL, omap5_timer2_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0018:24" },
+ { OMAP5_TIMER3_CLKCTRL, omap5_timer3_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0020:24" },
+ { OMAP5_TIMER4_CLKCTRL, omap5_timer4_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0028:24" },
+ { OMAP5_TIMER9_CLKCTRL, omap5_timer9_bit_data, CLKF_SW_SUP, "l4per-clkctrl:0030:24" },
{ OMAP5_GPIO2_CLKCTRL, omap5_gpio2_bit_data, CLKF_HW_SUP, "l4_root_clk_div" },
{ OMAP5_GPIO3_CLKCTRL, omap5_gpio3_bit_data, CLKF_HW_SUP, "l4_root_clk_div" },
{ OMAP5_GPIO4_CLKCTRL, omap5_gpio4_bit_data, CLKF_HW_SUP, "l4_root_clk_div" },
@@ -345,7 +345,7 @@ static const struct omap_clkctrl_bit_data omap5_dss_core_bit_data[] __initconst
};
static const struct omap_clkctrl_reg_data omap5_dss_clkctrl_regs[] __initconst = {
- { OMAP5_DSS_CORE_CLKCTRL, omap5_dss_core_bit_data, CLKF_SW_SUP, "dss_cm:clk:0000:8" },
+ { OMAP5_DSS_CORE_CLKCTRL, omap5_dss_core_bit_data, CLKF_SW_SUP, "dss-clkctrl:0000:8" },
{ 0 },
};
@@ -378,7 +378,7 @@ static const struct omap_clkctrl_bit_data omap5_gpu_core_bit_data[] __initconst
};
static const struct omap_clkctrl_reg_data omap5_gpu_clkctrl_regs[] __initconst = {
- { OMAP5_GPU_CLKCTRL, omap5_gpu_core_bit_data, CLKF_SW_SUP, "gpu_cm:clk:0000:24" },
+ { OMAP5_GPU_CLKCTRL, omap5_gpu_core_bit_data, CLKF_SW_SUP, "gpu-clkctrl:0000:24" },
{ 0 },
};
@@ -389,7 +389,7 @@ static const char * const omap5_mmc1_fclk_mux_parents[] __initconst = {
};
static const char * const omap5_mmc1_fclk_parents[] __initconst = {
- "l3init_cm:clk:0008:24",
+ "l3init-clkctrl:0008:24",
NULL,
};
@@ -405,7 +405,7 @@ static const struct omap_clkctrl_bit_data omap5_mmc1_bit_data[] __initconst = {
};
static const char * const omap5_mmc2_fclk_parents[] __initconst = {
- "l3init_cm:clk:0010:24",
+ "l3init-clkctrl:0010:24",
NULL,
};
@@ -430,12 +430,12 @@ static const char * const omap5_usb_host_hs_hsic480m_p3_clk_parents[] __initcons
};
static const char * const omap5_usb_host_hs_utmi_p1_clk_parents[] __initconst = {
- "l3init_cm:clk:0038:24",
+ "l3init-clkctrl:0038:24",
NULL,
};
static const char * const omap5_usb_host_hs_utmi_p2_clk_parents[] __initconst = {
- "l3init_cm:clk:0038:25",
+ "l3init-clkctrl:0038:25",
NULL,
};
@@ -494,8 +494,8 @@ static const struct omap_clkctrl_bit_data omap5_usb_otg_ss_bit_data[] __initcons
};
static const struct omap_clkctrl_reg_data omap5_l3init_clkctrl_regs[] __initconst = {
- { OMAP5_MMC1_CLKCTRL, omap5_mmc1_bit_data, CLKF_SW_SUP, "l3init_cm:clk:0008:25" },
- { OMAP5_MMC2_CLKCTRL, omap5_mmc2_bit_data, CLKF_SW_SUP, "l3init_cm:clk:0010:25" },
+ { OMAP5_MMC1_CLKCTRL, omap5_mmc1_bit_data, CLKF_SW_SUP, "l3init-clkctrl:0008:25" },
+ { OMAP5_MMC2_CLKCTRL, omap5_mmc2_bit_data, CLKF_SW_SUP, "l3init-clkctrl:0010:25" },
{ OMAP5_USB_HOST_HS_CLKCTRL, omap5_usb_host_hs_bit_data, CLKF_SW_SUP, "l3init_60m_fclk" },
{ OMAP5_USB_TLL_HS_CLKCTRL, omap5_usb_tll_hs_bit_data, CLKF_HW_SUP, "l4_root_clk_div" },
{ OMAP5_SATA_CLKCTRL, omap5_sata_bit_data, CLKF_SW_SUP, "func_48m_fclk" },
@@ -519,7 +519,7 @@ static const struct omap_clkctrl_reg_data omap5_wkupaon_clkctrl_regs[] __initcon
{ OMAP5_L4_WKUP_CLKCTRL, NULL, 0, "wkupaon_iclk_mux" },
{ OMAP5_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ OMAP5_GPIO1_CLKCTRL, omap5_gpio1_bit_data, CLKF_HW_SUP, "wkupaon_iclk_mux" },
- { OMAP5_TIMER1_CLKCTRL, omap5_timer1_bit_data, CLKF_SW_SUP, "wkupaon_cm:clk:0020:24" },
+ { OMAP5_TIMER1_CLKCTRL, omap5_timer1_bit_data, CLKF_SW_SUP, "wkupaon-clkctrl:0020:24" },
{ OMAP5_COUNTER_32K_CLKCTRL, NULL, 0, "wkupaon_iclk_mux" },
{ OMAP5_KBD_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ 0 },
@@ -549,58 +549,58 @@ const struct omap_clkctrl_data omap5_clkctrl_data[] __initconst = {
static struct ti_dt_clk omap54xx_clks[] = {
DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"),
DT_CLK(NULL, "sys_clkin_ck", "sys_clkin"),
- DT_CLK(NULL, "dmic_gfclk", "abe_cm:0018:24"),
- DT_CLK(NULL, "dmic_sync_mux_ck", "abe_cm:0018:26"),
- DT_CLK(NULL, "dss_32khz_clk", "dss_cm:0000:11"),
- DT_CLK(NULL, "dss_48mhz_clk", "dss_cm:0000:9"),
- DT_CLK(NULL, "dss_dss_clk", "dss_cm:0000:8"),
- DT_CLK(NULL, "dss_sys_clk", "dss_cm:0000:10"),
- DT_CLK(NULL, "gpio1_dbclk", "wkupaon_cm:0018:8"),
- DT_CLK(NULL, "gpio2_dbclk", "l4per_cm:0040:8"),
- DT_CLK(NULL, "gpio3_dbclk", "l4per_cm:0048:8"),
- DT_CLK(NULL, "gpio4_dbclk", "l4per_cm:0050:8"),
- DT_CLK(NULL, "gpio5_dbclk", "l4per_cm:0058:8"),
- DT_CLK(NULL, "gpio6_dbclk", "l4per_cm:0060:8"),
- DT_CLK(NULL, "gpio7_dbclk", "l4per_cm:00f0:8"),
- DT_CLK(NULL, "gpio8_dbclk", "l4per_cm:00f8:8"),
- DT_CLK(NULL, "mcbsp1_gfclk", "abe_cm:0028:24"),
- DT_CLK(NULL, "mcbsp1_sync_mux_ck", "abe_cm:0028:26"),
- DT_CLK(NULL, "mcbsp2_gfclk", "abe_cm:0030:24"),
- DT_CLK(NULL, "mcbsp2_sync_mux_ck", "abe_cm:0030:26"),
- DT_CLK(NULL, "mcbsp3_gfclk", "abe_cm:0038:24"),
- DT_CLK(NULL, "mcbsp3_sync_mux_ck", "abe_cm:0038:26"),
- DT_CLK(NULL, "mmc1_32khz_clk", "l3init_cm:0008:8"),
- DT_CLK(NULL, "mmc1_fclk", "l3init_cm:0008:25"),
- DT_CLK(NULL, "mmc1_fclk_mux", "l3init_cm:0008:24"),
- DT_CLK(NULL, "mmc2_fclk", "l3init_cm:0010:25"),
- DT_CLK(NULL, "mmc2_fclk_mux", "l3init_cm:0010:24"),
- DT_CLK(NULL, "sata_ref_clk", "l3init_cm:0068:8"),
- DT_CLK(NULL, "timer10_gfclk_mux", "l4per_cm:0008:24"),
- DT_CLK(NULL, "timer11_gfclk_mux", "l4per_cm:0010:24"),
- DT_CLK(NULL, "timer1_gfclk_mux", "wkupaon_cm:0020:24"),
- DT_CLK(NULL, "timer2_gfclk_mux", "l4per_cm:0018:24"),
- DT_CLK(NULL, "timer3_gfclk_mux", "l4per_cm:0020:24"),
- DT_CLK(NULL, "timer4_gfclk_mux", "l4per_cm:0028:24"),
- DT_CLK(NULL, "timer5_gfclk_mux", "abe_cm:0048:24"),
- DT_CLK(NULL, "timer6_gfclk_mux", "abe_cm:0050:24"),
- DT_CLK(NULL, "timer7_gfclk_mux", "abe_cm:0058:24"),
- DT_CLK(NULL, "timer8_gfclk_mux", "abe_cm:0060:24"),
- DT_CLK(NULL, "timer9_gfclk_mux", "l4per_cm:0030:24"),
- DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "l3init_cm:0038:13"),
- DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "l3init_cm:0038:14"),
- DT_CLK(NULL, "usb_host_hs_hsic480m_p3_clk", "l3init_cm:0038:7"),
- DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "l3init_cm:0038:11"),
- DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "l3init_cm:0038:12"),
- DT_CLK(NULL, "usb_host_hs_hsic60m_p3_clk", "l3init_cm:0038:6"),
- DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "l3init_cm:0038:8"),
- DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "l3init_cm:0038:9"),
- DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "l3init_cm:0038:10"),
- DT_CLK(NULL, "usb_otg_ss_refclk960m", "l3init_cm:00d0:8"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "l3init_cm:0048:8"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "l3init_cm:0048:9"),
- DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "l3init_cm:0048:10"),
- DT_CLK(NULL, "utmi_p1_gfclk", "l3init_cm:0038:24"),
- DT_CLK(NULL, "utmi_p2_gfclk", "l3init_cm:0038:25"),
+ DT_CLK(NULL, "dmic_gfclk", "abe-clkctrl:0018:24"),
+ DT_CLK(NULL, "dmic_sync_mux_ck", "abe-clkctrl:0018:26"),
+ DT_CLK(NULL, "dss_32khz_clk", "dss-clkctrl:0000:11"),
+ DT_CLK(NULL, "dss_48mhz_clk", "dss-clkctrl:0000:9"),
+ DT_CLK(NULL, "dss_dss_clk", "dss-clkctrl:0000:8"),
+ DT_CLK(NULL, "dss_sys_clk", "dss-clkctrl:0000:10"),
+ DT_CLK(NULL, "gpio1_dbclk", "wkupaon-clkctrl:0018:8"),
+ DT_CLK(NULL, "gpio2_dbclk", "l4per-clkctrl:0040:8"),
+ DT_CLK(NULL, "gpio3_dbclk", "l4per-clkctrl:0048:8"),
+ DT_CLK(NULL, "gpio4_dbclk", "l4per-clkctrl:0050:8"),
+ DT_CLK(NULL, "gpio5_dbclk", "l4per-clkctrl:0058:8"),
+ DT_CLK(NULL, "gpio6_dbclk", "l4per-clkctrl:0060:8"),
+ DT_CLK(NULL, "gpio7_dbclk", "l4per-clkctrl:00f0:8"),
+ DT_CLK(NULL, "gpio8_dbclk", "l4per-clkctrl:00f8:8"),
+ DT_CLK(NULL, "mcbsp1_gfclk", "abe-clkctrl:0028:24"),
+ DT_CLK(NULL, "mcbsp1_sync_mux_ck", "abe-clkctrl:0028:26"),
+ DT_CLK(NULL, "mcbsp2_gfclk", "abe-clkctrl:0030:24"),
+ DT_CLK(NULL, "mcbsp2_sync_mux_ck", "abe-clkctrl:0030:26"),
+ DT_CLK(NULL, "mcbsp3_gfclk", "abe-clkctrl:0038:24"),
+ DT_CLK(NULL, "mcbsp3_sync_mux_ck", "abe-clkctrl:0038:26"),
+ DT_CLK(NULL, "mmc1_32khz_clk", "l3init-clkctrl:0008:8"),
+ DT_CLK(NULL, "mmc1_fclk", "l3init-clkctrl:0008:25"),
+ DT_CLK(NULL, "mmc1_fclk_mux", "l3init-clkctrl:0008:24"),
+ DT_CLK(NULL, "mmc2_fclk", "l3init-clkctrl:0010:25"),
+ DT_CLK(NULL, "mmc2_fclk_mux", "l3init-clkctrl:0010:24"),
+ DT_CLK(NULL, "sata_ref_clk", "l3init-clkctrl:0068:8"),
+ DT_CLK(NULL, "timer10_gfclk_mux", "l4per-clkctrl:0008:24"),
+ DT_CLK(NULL, "timer11_gfclk_mux", "l4per-clkctrl:0010:24"),
+ DT_CLK(NULL, "timer1_gfclk_mux", "wkupaon-clkctrl:0020:24"),
+ DT_CLK(NULL, "timer2_gfclk_mux", "l4per-clkctrl:0018:24"),
+ DT_CLK(NULL, "timer3_gfclk_mux", "l4per-clkctrl:0020:24"),
+ DT_CLK(NULL, "timer4_gfclk_mux", "l4per-clkctrl:0028:24"),
+ DT_CLK(NULL, "timer5_gfclk_mux", "abe-clkctrl:0048:24"),
+ DT_CLK(NULL, "timer6_gfclk_mux", "abe-clkctrl:0050:24"),
+ DT_CLK(NULL, "timer7_gfclk_mux", "abe-clkctrl:0058:24"),
+ DT_CLK(NULL, "timer8_gfclk_mux", "abe-clkctrl:0060:24"),
+ DT_CLK(NULL, "timer9_gfclk_mux", "l4per-clkctrl:0030:24"),
+ DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "l3init-clkctrl:0038:13"),
+ DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "l3init-clkctrl:0038:14"),
+ DT_CLK(NULL, "usb_host_hs_hsic480m_p3_clk", "l3init-clkctrl:0038:7"),
+ DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "l3init-clkctrl:0038:11"),
+ DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "l3init-clkctrl:0038:12"),
+ DT_CLK(NULL, "usb_host_hs_hsic60m_p3_clk", "l3init-clkctrl:0038:6"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "l3init-clkctrl:0038:8"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "l3init-clkctrl:0038:9"),
+ DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "l3init-clkctrl:0038:10"),
+ DT_CLK(NULL, "usb_otg_ss_refclk960m", "l3init-clkctrl:00d0:8"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "l3init-clkctrl:0048:8"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "l3init-clkctrl:0048:9"),
+ DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "l3init-clkctrl:0048:10"),
+ DT_CLK(NULL, "utmi_p1_gfclk", "l3init-clkctrl:0038:24"),
+ DT_CLK(NULL, "utmi_p2_gfclk", "l3init-clkctrl:0038:25"),
{ .node_name = NULL },
};
diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c
index 864c484bde1b..08a85c559f79 100644
--- a/drivers/clk/ti/clkctrl.c
+++ b/drivers/clk/ti/clkctrl.c
@@ -511,10 +511,6 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
char *c;
u16 soc_mask = 0;
- if (!(ti_clk_get_features()->flags & TI_CLK_CLKCTRL_COMPAT) &&
- of_node_name_eq(node, "clk"))
- ti_clk_features.flags |= TI_CLK_CLKCTRL_COMPAT;
-
addrp = of_get_address(node, 0, NULL, NULL);
addr = (u32)of_translate_address(node, addrp);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 173/244] scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (171 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 172/244] clk: ti: Stop using legacy clkctrl names for omap4 and 5 Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 174/244] usb: host: ohci-ppc-of: Fix refcount leak bug Greg Kroah-Hartman
` (72 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Stanley Chu, Po-Wen Kao,
Martin K. Petersen, Sasha Levin
From: Po-Wen Kao <powen.kao@mediatek.com>
[ Upstream commit 3fd23b8dfb54d9b74eba6dfdd3225db3ac116785 ]
Currently the LPM configurations of device regulators may not work since
VCC is not disabled yet while ufs_mtk_vreg_set_lpm() is executed.
Fix this by changing the timing of invoking ufs_mtk_vreg_set_lpm().
Link: https://lore.kernel.org/r/20220616053725.5681-5-stanley.chu@mediatek.com
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/ufs/ufs-mediatek.c | 58 ++++++++++++++++++++++++++++++---
1 file changed, 53 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 4e53857605de..9f1d69d33149 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -949,7 +949,6 @@ static int ufs_mtk_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
* ufshcd_suspend() re-enabling regulators while vreg is still
* in low-power mode.
*/
- ufs_mtk_vreg_set_lpm(hba, true);
err = ufs_mtk_mphy_power_on(hba, false);
if (err)
goto fail;
@@ -973,12 +972,13 @@ static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
{
int err;
+ if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL)
+ ufs_mtk_vreg_set_lpm(hba, false);
+
err = ufs_mtk_mphy_power_on(hba, true);
if (err)
goto fail;
- ufs_mtk_vreg_set_lpm(hba, false);
-
if (ufshcd_is_link_hibern8(hba)) {
err = ufs_mtk_link_set_hpm(hba);
if (err)
@@ -1139,9 +1139,57 @@ static int ufs_mtk_remove(struct platform_device *pdev)
return 0;
}
+int ufs_mtk_system_suspend(struct device *dev)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ int ret;
+
+ ret = ufshcd_system_suspend(dev);
+ if (ret)
+ return ret;
+
+ ufs_mtk_vreg_set_lpm(hba, true);
+
+ return 0;
+}
+
+int ufs_mtk_system_resume(struct device *dev)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ ufs_mtk_vreg_set_lpm(hba, false);
+
+ return ufshcd_system_resume(dev);
+}
+
+int ufs_mtk_runtime_suspend(struct device *dev)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+ int ret = 0;
+
+ ret = ufshcd_runtime_suspend(dev);
+ if (ret)
+ return ret;
+
+ ufs_mtk_vreg_set_lpm(hba, true);
+
+ return 0;
+}
+
+int ufs_mtk_runtime_resume(struct device *dev)
+{
+ struct ufs_hba *hba = dev_get_drvdata(dev);
+
+ ufs_mtk_vreg_set_lpm(hba, false);
+
+ return ufshcd_runtime_resume(dev);
+}
+
static const struct dev_pm_ops ufs_mtk_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(ufshcd_system_suspend, ufshcd_system_resume)
- SET_RUNTIME_PM_OPS(ufshcd_runtime_suspend, ufshcd_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(ufs_mtk_system_suspend,
+ ufs_mtk_system_resume)
+ SET_RUNTIME_PM_OPS(ufs_mtk_runtime_suspend,
+ ufs_mtk_runtime_resume, NULL)
.prepare = ufshcd_suspend_prepare,
.complete = ufshcd_resume_complete,
};
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 174/244] usb: host: ohci-ppc-of: Fix refcount leak bug
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (172 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 173/244] scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 175/244] usb: renesas: " Greg Kroah-Hartman
` (71 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Alan Stern, Liang He, Sasha Levin
From: Liang He <windhl@126.com>
[ Upstream commit 40a959d7042bb7711e404ad2318b30e9f92c6b9b ]
In ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220617034637.4003115-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/host/ohci-ppc-of.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 45f7cceb6df3..98e46725999e 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -169,6 +169,7 @@ static int ohci_hcd_ppc_of_probe(struct platform_device *op)
release_mem_region(res.start, 0x4);
} else
pr_debug("%s: cannot get ehci offset from fdt\n", __FILE__);
+ of_node_put(np);
}
irq_dispose_mapping(irq);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 175/244] usb: renesas: Fix refcount leak bug
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (173 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 174/244] usb: host: ohci-ppc-of: Fix refcount leak bug Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 176/244] usb: dwc2: gadget: remove D+ pull-up while no vbus with usb-role-switch Greg Kroah-Hartman
` (70 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Liang He, Sasha Levin
From: Liang He <windhl@126.com>
[ Upstream commit 9d6d5303c39b8bc182475b22f45504106a07f086 ]
In usbhs_rza1_hardware_init(), of_find_node_by_name() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220618023205.4056548-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/renesas_usbhs/rza.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/renesas_usbhs/rza.c b/drivers/usb/renesas_usbhs/rza.c
index 24de64edb674..2d77edefb4b3 100644
--- a/drivers/usb/renesas_usbhs/rza.c
+++ b/drivers/usb/renesas_usbhs/rza.c
@@ -23,6 +23,10 @@ static int usbhs_rza1_hardware_init(struct platform_device *pdev)
extal_clk = of_find_node_by_name(NULL, "extal");
of_property_read_u32(usb_x1_clk, "clock-frequency", &freq_usb);
of_property_read_u32(extal_clk, "clock-frequency", &freq_extal);
+
+ of_node_put(usb_x1_clk);
+ of_node_put(extal_clk);
+
if (freq_usb == 0) {
if (freq_extal == 12000000) {
/* Select 12MHz XTAL */
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 176/244] usb: dwc2: gadget: remove D+ pull-up while no vbus with usb-role-switch
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (174 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 175/244] usb: renesas: " Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 177/244] vboxguest: Do not use devm for irq Greg Kroah-Hartman
` (69 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Minas Harutyunyan, Amelie Delaunay,
Fabrice Gasnier, Sasha Levin
From: Amelie Delaunay <amelie.delaunay@foss.st.com>
[ Upstream commit db638c6500abaffb8f7770b2a69c40d003d54ae1 ]
When using usb-role-switch, D+ pull-up is set as soon as DTCL_SFTDISCON is
cleared, whatever the vbus valid signal state is. The pull-up should not
be set when vbus isn't present (this is determined by the drd controller).
This patch ensures that B-Session (so Peripheral role + vbus valid signal)
is valid before clearing the DCTL_SFTDISCON bit when role switch is used.
Keep original behavior when usb-role-switch isn't used.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://lore.kernel.org/r/20220622160717.314580-1-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/dwc2/gadget.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index e1cebf581a4a..519bb82b00e8 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3594,7 +3594,8 @@ void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg)
void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg)
{
/* remove the soft-disconnect and let's go */
- dwc2_clear_bit(hsotg, DCTL, DCTL_SFTDISCON);
+ if (!hsotg->role_sw || (dwc2_readl(hsotg, GOTGCTL) & GOTGCTL_BSESVLD))
+ dwc2_clear_bit(hsotg, DCTL, DCTL_SFTDISCON);
}
/**
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 177/244] vboxguest: Do not use devm for irq
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (175 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 176/244] usb: dwc2: gadget: remove D+ pull-up while no vbus with usb-role-switch Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 178/244] clk: qcom: ipq8074: dont disable gcc_sleep_clk_src Greg Kroah-Hartman
` (68 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hans de Goede, Pascal Terjan, Sasha Levin
From: Pascal Terjan <pterjan@google.com>
[ Upstream commit 6169525b76764acb81918aa387ac168fb9a55575 ]
When relying on devm it doesn't get freed early enough which causes the
following warning when unloading the module:
[249348.837181] remove_proc_entry: removing non-empty directory 'irq/20', leaking at least 'vboxguest'
[249348.837219] WARNING: CPU: 0 PID: 6708 at fs/proc/generic.c:715 remove_proc_entry+0x119/0x140
[249348.837379] Call Trace:
[249348.837385] unregister_irq_proc+0xbd/0xe0
[249348.837392] free_desc+0x23/0x60
[249348.837396] irq_free_descs+0x4a/0x70
[249348.837401] irq_domain_free_irqs+0x160/0x1a0
[249348.837452] mp_unmap_irq+0x5c/0x60
[249348.837458] acpi_unregister_gsi_ioapic+0x29/0x40
[249348.837463] acpi_unregister_gsi+0x17/0x30
[249348.837467] acpi_pci_irq_disable+0xbf/0xe0
[249348.837473] pcibios_disable_device+0x20/0x30
[249348.837478] pci_disable_device+0xef/0x120
[249348.837482] vbg_pci_remove+0x6c/0x70 [vboxguest]
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Pascal Terjan <pterjan@google.com>
Link: https://lore.kernel.org/r/20220612133744.4030602-1-pterjan@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/virt/vboxguest/vboxguest_linux.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c
index 73eb34849eab..4ccfd30c2a30 100644
--- a/drivers/virt/vboxguest/vboxguest_linux.c
+++ b/drivers/virt/vboxguest/vboxguest_linux.c
@@ -356,8 +356,8 @@ static int vbg_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
goto err_vbg_core_exit;
}
- ret = devm_request_irq(dev, pci->irq, vbg_core_isr, IRQF_SHARED,
- DEVICE_NAME, gdev);
+ ret = request_irq(pci->irq, vbg_core_isr, IRQF_SHARED, DEVICE_NAME,
+ gdev);
if (ret) {
vbg_err("vboxguest: Error requesting irq: %d\n", ret);
goto err_vbg_core_exit;
@@ -367,7 +367,7 @@ static int vbg_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
if (ret) {
vbg_err("vboxguest: Error misc_register %s failed: %d\n",
DEVICE_NAME, ret);
- goto err_vbg_core_exit;
+ goto err_free_irq;
}
ret = misc_register(&gdev->misc_device_user);
@@ -403,6 +403,8 @@ static int vbg_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
misc_deregister(&gdev->misc_device_user);
err_unregister_misc_device:
misc_deregister(&gdev->misc_device);
+err_free_irq:
+ free_irq(pci->irq, gdev);
err_vbg_core_exit:
vbg_core_exit(gdev);
err_disable_pcidev:
@@ -419,6 +421,7 @@ static void vbg_pci_remove(struct pci_dev *pci)
vbg_gdev = NULL;
mutex_unlock(&vbg_gdev_mutex);
+ free_irq(pci->irq, gdev);
device_remove_file(gdev->dev, &dev_attr_host_features);
device_remove_file(gdev->dev, &dev_attr_host_version);
misc_deregister(&gdev->misc_device_user);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 178/244] clk: qcom: ipq8074: dont disable gcc_sleep_clk_src
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (176 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 177/244] vboxguest: Do not use devm for irq Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 179/244] uacce: Handle parent device removal or parent driver module rmmod Greg Kroah-Hartman
` (67 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Robert Marko, Bjorn Andersson, Sasha Levin
From: Robert Marko <robimarko@gmail.com>
[ Upstream commit 1bf7305e79aab095196131bdc87a97796e0e3fac ]
Once the usb sleep clocks are disabled, clock framework is trying to
disable the sleep clock source also.
However, it seems that it cannot be disabled and trying to do so produces:
[ 245.436390] ------------[ cut here ]------------
[ 245.441233] gcc_sleep_clk_src status stuck at 'on'
[ 245.441254] WARNING: CPU: 2 PID: 223 at clk_branch_wait+0x130/0x140
[ 245.450435] Modules linked in: xhci_plat_hcd xhci_hcd dwc3 dwc3_qcom leds_gpio
[ 245.456601] CPU: 2 PID: 223 Comm: sh Not tainted 5.18.0-rc4 #215
[ 245.463889] Hardware name: Xiaomi AX9000 (DT)
[ 245.470050] pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 245.474307] pc : clk_branch_wait+0x130/0x140
[ 245.481073] lr : clk_branch_wait+0x130/0x140
[ 245.485588] sp : ffffffc009f2bad0
[ 245.489838] x29: ffffffc009f2bad0 x28: ffffff8003e6c800 x27: 0000000000000000
[ 245.493057] x26: 0000000000000000 x25: 0000000000000000 x24: ffffff800226ef20
[ 245.500175] x23: ffffffc0089ff550 x22: 0000000000000000 x21: ffffffc008476ad0
[ 245.507294] x20: 0000000000000000 x19: ffffffc00965ac70 x18: fffffffffffc51a7
[ 245.514413] x17: 68702e3030303837 x16: 3a6d726f6674616c x15: ffffffc089f2b777
[ 245.521531] x14: ffffffc0095c9d18 x13: 0000000000000129 x12: 0000000000000129
[ 245.528649] x11: 00000000ffffffea x10: ffffffc009621d18 x9 : 0000000000000001
[ 245.535767] x8 : 0000000000000001 x7 : 0000000000017fe8 x6 : 0000000000000001
[ 245.542885] x5 : ffffff803fdca6d8 x4 : 0000000000000000 x3 : 0000000000000027
[ 245.550002] x2 : 0000000000000027 x1 : 0000000000000023 x0 : 0000000000000026
[ 245.557122] Call trace:
[ 245.564229] clk_branch_wait+0x130/0x140
[ 245.566490] clk_branch2_disable+0x2c/0x40
[ 245.570656] clk_core_disable+0x60/0xb0
[ 245.574561] clk_core_disable+0x68/0xb0
[ 245.578293] clk_disable+0x30/0x50
[ 245.582113] dwc3_qcom_remove+0x60/0xc0 [dwc3_qcom]
[ 245.585588] platform_remove+0x28/0x60
[ 245.590361] device_remove+0x4c/0x80
[ 245.594179] device_release_driver_internal+0x1dc/0x230
[ 245.597914] device_driver_detach+0x18/0x30
[ 245.602861] unbind_store+0xec/0x110
[ 245.607027] drv_attr_store+0x24/0x40
[ 245.610847] sysfs_kf_write+0x44/0x60
[ 245.614405] kernfs_fop_write_iter+0x128/0x1c0
[ 245.618052] new_sync_write+0xc0/0x130
[ 245.622391] vfs_write+0x1d4/0x2a0
[ 245.626123] ksys_write+0x58/0xe0
[ 245.629508] __arm64_sys_write+0x1c/0x30
[ 245.632895] invoke_syscall.constprop.0+0x5c/0x110
[ 245.636890] do_el0_svc+0xa0/0x150
[ 245.641488] el0_svc+0x18/0x60
[ 245.644872] el0t_64_sync_handler+0xa4/0x130
[ 245.647914] el0t_64_sync+0x174/0x178
[ 245.652340] ---[ end trace 0000000000000000 ]---
So, add CLK_IS_CRITICAL flag to the clock so that the kernel won't try
to disable the sleep clock.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220515210048.483898-10-robimarko@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/qcom/gcc-ipq8074.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c
index 2c2ecfc5e61f..d6d5defb82c9 100644
--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -662,6 +662,7 @@ static struct clk_branch gcc_sleep_clk_src = {
},
.num_parents = 1,
.ops = &clk_branch2_ops,
+ .flags = CLK_IS_CRITICAL,
},
},
};
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 179/244] uacce: Handle parent device removal or parent driver module rmmod
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (177 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 178/244] clk: qcom: ipq8074: dont disable gcc_sleep_clk_src Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 180/244] zram: do not lookup algorithm in backends table Greg Kroah-Hartman
` (66 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yang Shen, Zhangfei Gao,
Jean-Philippe Brucker, Sasha Levin
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
[ Upstream commit 80fc671bcc0173836e9032b0c698ea74c13b9d7c ]
The uacce driver must deal with a possible removal of the parent device
or parent driver module rmmod at any time.
Although uacce_remove(), called on device removal and on driver unbind,
prevents future use of the uacce fops by removing the cdev, fops that
were called before that point may still be running.
Serialize uacce_fops_open() and uacce_remove() with uacce->mutex.
Serialize other fops against uacce_remove() with q->mutex.
Since we need to protect uacce_fops_poll() which gets called on the fast
path, replace uacce->queues_lock with q->mutex to improve scalability.
The other fops are only used during setup.
uacce_queue_is_valid(), checked under q->mutex or uacce->mutex, denotes
whether uacce_remove() has disabled all queues. If that is the case,
don't go any further since the parent device is being removed and
uacce->ops should not be called anymore.
Reported-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Link: https://lore.kernel.org/r/20220701034843.7502-1-zhangfei.gao@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/uacce/uacce.c | 133 ++++++++++++++++++++++++-------------
include/linux/uacce.h | 6 +-
2 files changed, 91 insertions(+), 48 deletions(-)
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c
index 488eeb2811ae..976d051071dc 100644
--- a/drivers/misc/uacce/uacce.c
+++ b/drivers/misc/uacce/uacce.c
@@ -9,43 +9,38 @@
static struct class *uacce_class;
static dev_t uacce_devt;
-static DEFINE_MUTEX(uacce_mutex);
static DEFINE_XARRAY_ALLOC(uacce_xa);
-static int uacce_start_queue(struct uacce_queue *q)
+/*
+ * If the parent driver or the device disappears, the queue state is invalid and
+ * ops are not usable anymore.
+ */
+static bool uacce_queue_is_valid(struct uacce_queue *q)
{
- int ret = 0;
+ return q->state == UACCE_Q_INIT || q->state == UACCE_Q_STARTED;
+}
- mutex_lock(&uacce_mutex);
+static int uacce_start_queue(struct uacce_queue *q)
+{
+ int ret;
- if (q->state != UACCE_Q_INIT) {
- ret = -EINVAL;
- goto out_with_lock;
- }
+ if (q->state != UACCE_Q_INIT)
+ return -EINVAL;
if (q->uacce->ops->start_queue) {
ret = q->uacce->ops->start_queue(q);
if (ret < 0)
- goto out_with_lock;
+ return ret;
}
q->state = UACCE_Q_STARTED;
-
-out_with_lock:
- mutex_unlock(&uacce_mutex);
-
- return ret;
+ return 0;
}
static int uacce_put_queue(struct uacce_queue *q)
{
struct uacce_device *uacce = q->uacce;
- mutex_lock(&uacce_mutex);
-
- if (q->state == UACCE_Q_ZOMBIE)
- goto out;
-
if ((q->state == UACCE_Q_STARTED) && uacce->ops->stop_queue)
uacce->ops->stop_queue(q);
@@ -54,8 +49,6 @@ static int uacce_put_queue(struct uacce_queue *q)
uacce->ops->put_queue(q);
q->state = UACCE_Q_ZOMBIE;
-out:
- mutex_unlock(&uacce_mutex);
return 0;
}
@@ -65,20 +58,36 @@ static long uacce_fops_unl_ioctl(struct file *filep,
{
struct uacce_queue *q = filep->private_data;
struct uacce_device *uacce = q->uacce;
+ long ret = -ENXIO;
+
+ /*
+ * uacce->ops->ioctl() may take the mmap_lock when copying arg to/from
+ * user. Avoid a circular lock dependency with uacce_fops_mmap(), which
+ * gets called with mmap_lock held, by taking uacce->mutex instead of
+ * q->mutex. Doing this in uacce_fops_mmap() is not possible because
+ * uacce_fops_open() calls iommu_sva_bind_device(), which takes
+ * mmap_lock, while holding uacce->mutex.
+ */
+ mutex_lock(&uacce->mutex);
+ if (!uacce_queue_is_valid(q))
+ goto out_unlock;
switch (cmd) {
case UACCE_CMD_START_Q:
- return uacce_start_queue(q);
-
+ ret = uacce_start_queue(q);
+ break;
case UACCE_CMD_PUT_Q:
- return uacce_put_queue(q);
-
+ ret = uacce_put_queue(q);
+ break;
default:
- if (!uacce->ops->ioctl)
- return -EINVAL;
-
- return uacce->ops->ioctl(q, cmd, arg);
+ if (uacce->ops->ioctl)
+ ret = uacce->ops->ioctl(q, cmd, arg);
+ else
+ ret = -EINVAL;
}
+out_unlock:
+ mutex_unlock(&uacce->mutex);
+ return ret;
}
#ifdef CONFIG_COMPAT
@@ -136,6 +145,13 @@ static int uacce_fops_open(struct inode *inode, struct file *filep)
if (!q)
return -ENOMEM;
+ mutex_lock(&uacce->mutex);
+
+ if (!uacce->parent) {
+ ret = -EINVAL;
+ goto out_with_mem;
+ }
+
ret = uacce_bind_queue(uacce, q);
if (ret)
goto out_with_mem;
@@ -152,10 +168,9 @@ static int uacce_fops_open(struct inode *inode, struct file *filep)
filep->private_data = q;
uacce->inode = inode;
q->state = UACCE_Q_INIT;
-
- mutex_lock(&uacce->queues_lock);
+ mutex_init(&q->mutex);
list_add(&q->list, &uacce->queues);
- mutex_unlock(&uacce->queues_lock);
+ mutex_unlock(&uacce->mutex);
return 0;
@@ -163,18 +178,20 @@ static int uacce_fops_open(struct inode *inode, struct file *filep)
uacce_unbind_queue(q);
out_with_mem:
kfree(q);
+ mutex_unlock(&uacce->mutex);
return ret;
}
static int uacce_fops_release(struct inode *inode, struct file *filep)
{
struct uacce_queue *q = filep->private_data;
+ struct uacce_device *uacce = q->uacce;
- mutex_lock(&q->uacce->queues_lock);
- list_del(&q->list);
- mutex_unlock(&q->uacce->queues_lock);
+ mutex_lock(&uacce->mutex);
uacce_put_queue(q);
uacce_unbind_queue(q);
+ list_del(&q->list);
+ mutex_unlock(&uacce->mutex);
kfree(q);
return 0;
@@ -217,10 +234,9 @@ static int uacce_fops_mmap(struct file *filep, struct vm_area_struct *vma)
vma->vm_private_data = q;
qfr->type = type;
- mutex_lock(&uacce_mutex);
-
- if (q->state != UACCE_Q_INIT && q->state != UACCE_Q_STARTED) {
- ret = -EINVAL;
+ mutex_lock(&q->mutex);
+ if (!uacce_queue_is_valid(q)) {
+ ret = -ENXIO;
goto out_with_lock;
}
@@ -248,12 +264,12 @@ static int uacce_fops_mmap(struct file *filep, struct vm_area_struct *vma)
}
q->qfrs[type] = qfr;
- mutex_unlock(&uacce_mutex);
+ mutex_unlock(&q->mutex);
return ret;
out_with_lock:
- mutex_unlock(&uacce_mutex);
+ mutex_unlock(&q->mutex);
kfree(qfr);
return ret;
}
@@ -262,12 +278,20 @@ static __poll_t uacce_fops_poll(struct file *file, poll_table *wait)
{
struct uacce_queue *q = file->private_data;
struct uacce_device *uacce = q->uacce;
+ __poll_t ret = 0;
+
+ mutex_lock(&q->mutex);
+ if (!uacce_queue_is_valid(q))
+ goto out_unlock;
poll_wait(file, &q->wait, wait);
+
if (uacce->ops->is_q_updated && uacce->ops->is_q_updated(q))
- return EPOLLIN | EPOLLRDNORM;
+ ret = EPOLLIN | EPOLLRDNORM;
- return 0;
+out_unlock:
+ mutex_unlock(&q->mutex);
+ return ret;
}
static const struct file_operations uacce_fops = {
@@ -450,7 +474,7 @@ struct uacce_device *uacce_alloc(struct device *parent,
goto err_with_uacce;
INIT_LIST_HEAD(&uacce->queues);
- mutex_init(&uacce->queues_lock);
+ mutex_init(&uacce->mutex);
device_initialize(&uacce->dev);
uacce->dev.devt = MKDEV(MAJOR(uacce_devt), uacce->dev_id);
uacce->dev.class = uacce_class;
@@ -507,13 +531,23 @@ void uacce_remove(struct uacce_device *uacce)
if (uacce->inode)
unmap_mapping_range(uacce->inode->i_mapping, 0, 0, 1);
+ /*
+ * uacce_fops_open() may be running concurrently, even after we remove
+ * the cdev. Holding uacce->mutex ensures that open() does not obtain a
+ * removed uacce device.
+ */
+ mutex_lock(&uacce->mutex);
/* ensure no open queue remains */
- mutex_lock(&uacce->queues_lock);
list_for_each_entry_safe(q, next_q, &uacce->queues, list) {
+ /*
+ * Taking q->mutex ensures that fops do not use the defunct
+ * uacce->ops after the queue is disabled.
+ */
+ mutex_lock(&q->mutex);
uacce_put_queue(q);
+ mutex_unlock(&q->mutex);
uacce_unbind_queue(q);
}
- mutex_unlock(&uacce->queues_lock);
/* disable sva now since no opened queues */
uacce_disable_sva(uacce);
@@ -521,6 +555,13 @@ void uacce_remove(struct uacce_device *uacce)
if (uacce->cdev)
cdev_device_del(uacce->cdev, &uacce->dev);
xa_erase(&uacce_xa, uacce->dev_id);
+ /*
+ * uacce exists as long as there are open fds, but ops will be freed
+ * now. Ensure that bugs cause NULL deref rather than use-after-free.
+ */
+ uacce->ops = NULL;
+ uacce->parent = NULL;
+ mutex_unlock(&uacce->mutex);
put_device(&uacce->dev);
}
EXPORT_SYMBOL_GPL(uacce_remove);
diff --git a/include/linux/uacce.h b/include/linux/uacce.h
index 48e319f40275..9ce88c28b0a8 100644
--- a/include/linux/uacce.h
+++ b/include/linux/uacce.h
@@ -70,6 +70,7 @@ enum uacce_q_state {
* @wait: wait queue head
* @list: index into uacce queues list
* @qfrs: pointer of qfr regions
+ * @mutex: protects queue state
* @state: queue state machine
* @pasid: pasid associated to the mm
* @handle: iommu_sva handle returned by iommu_sva_bind_device()
@@ -80,6 +81,7 @@ struct uacce_queue {
wait_queue_head_t wait;
struct list_head list;
struct uacce_qfile_region *qfrs[UACCE_MAX_REGION];
+ struct mutex mutex;
enum uacce_q_state state;
u32 pasid;
struct iommu_sva *handle;
@@ -97,9 +99,9 @@ struct uacce_queue {
* @dev_id: id of the uacce device
* @cdev: cdev of the uacce
* @dev: dev of the uacce
+ * @mutex: protects uacce operation
* @priv: private pointer of the uacce
* @queues: list of queues
- * @queues_lock: lock for queues list
* @inode: core vfs
*/
struct uacce_device {
@@ -113,9 +115,9 @@ struct uacce_device {
u32 dev_id;
struct cdev *cdev;
struct device dev;
+ struct mutex mutex;
void *priv;
struct list_head queues;
- struct mutex queues_lock;
struct inode *inode;
};
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 180/244] zram: do not lookup algorithm in backends table
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (178 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 179/244] uacce: Handle parent device removal or parent driver module rmmod Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 181/244] clk: qcom: clk-alpha-pll: fix clk_trion_pll_configure description Greg Kroah-Hartman
` (65 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sergey Senozhatsky, Minchan Kim,
Nitin Gupta, Andrew Morton, Sasha Levin
From: Sergey Senozhatsky <senozhatsky@chromium.org>
[ Upstream commit dc89997264de565999a1cb55db3f295d3a8e457b ]
Always use crypto_has_comp() so that crypto can lookup module, call
usermodhelper to load the modules, wait for usermodhelper to finish and so
on. Otherwise crypto will do all of these steps under CPU hot-plug lock
and this looks like too much stuff to handle under the CPU hot-plug lock.
Besides this can end up in a deadlock when usermodhelper triggers a code
path that attempts to lock the CPU hot-plug lock, that zram already holds.
An example of such deadlock:
- path A. zram grabs CPU hot-plug lock, execs /sbin/modprobe from crypto
and waits for modprobe to finish
disksize_store
zcomp_create
__cpuhp_state_add_instance
__cpuhp_state_add_instance_cpuslocked
zcomp_cpu_up_prepare
crypto_alloc_base
crypto_alg_mod_lookup
call_usermodehelper_exec
wait_for_completion_killable
do_wait_for_common
schedule
- path B. async work kthread that brings in scsi device. It wants to
register CPUHP states at some point, and it needs the CPU hot-plug
lock for that, which is owned by zram.
async_run_entry_fn
scsi_probe_and_add_lun
scsi_mq_alloc_queue
blk_mq_init_queue
blk_mq_init_allocated_queue
blk_mq_realloc_hw_ctxs
__cpuhp_state_add_instance
__cpuhp_state_add_instance_cpuslocked
mutex_lock
schedule
- path C. modprobe sleeps, waiting for all aync works to finish.
load_module
do_init_module
async_synchronize_full
async_synchronize_cookie_domain
schedule
[senozhatsky@chromium.org: add comment]
Link: https://lkml.kernel.org/r/20220624060606.1014474-1-senozhatsky@chromium.org
Link: https://lkml.kernel.org/r/20220622023501.517125-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/block/zram/zcomp.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 052aa3f65514..0916de952e09 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -63,12 +63,6 @@ static int zcomp_strm_init(struct zcomp_strm *zstrm, struct zcomp *comp)
bool zcomp_available_algorithm(const char *comp)
{
- int i;
-
- i = sysfs_match_string(backends, comp);
- if (i >= 0)
- return true;
-
/*
* Crypto does not ignore a trailing new line symbol,
* so make sure you don't supply a string containing
@@ -217,6 +211,11 @@ struct zcomp *zcomp_create(const char *compress)
struct zcomp *comp;
int error;
+ /*
+ * Crypto API will execute /sbin/modprobe if the compression module
+ * is not loaded yet. We must do it here, otherwise we are about to
+ * call /sbin/modprobe under CPU hot-plug lock.
+ */
if (!zcomp_available_algorithm(compress))
return ERR_PTR(-EINVAL);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 181/244] clk: qcom: clk-alpha-pll: fix clk_trion_pll_configure description
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (179 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 180/244] zram: do not lookup algorithm in backends table Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 182/244] scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input Greg Kroah-Hartman
` (64 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Stephen Boyd, Vinod Koul,
Vladimir Zapolskiy, Bjorn Andersson, Sasha Levin
From: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
[ Upstream commit 94bed9bb05c7850ff5d80b87cc29004901f37956 ]
After merging lucid and trion pll functions in commit 0b01489475c6
("clk: qcom: clk-alpha-pll: same regs and ops for trion and lucid")
the function clk_trion_pll_configure() is left with an old description
header, which results in a W=2 compile time warning, fix it.
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220701062711.2757855-1-vladimir.zapolskiy@linaro.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/clk/qcom/clk-alpha-pll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
index 8f65b9bdafce..5e44ceb730ad 100644
--- a/drivers/clk/qcom/clk-alpha-pll.c
+++ b/drivers/clk/qcom/clk-alpha-pll.c
@@ -1420,7 +1420,7 @@ const struct clk_ops clk_alpha_pll_postdiv_fabia_ops = {
EXPORT_SYMBOL_GPL(clk_alpha_pll_postdiv_fabia_ops);
/**
- * clk_lucid_pll_configure - configure the lucid pll
+ * clk_trion_pll_configure - configure the trion pll
*
* @pll: clk alpha pll
* @regmap: register map
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 182/244] scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (180 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 181/244] clk: qcom: clk-alpha-pll: fix clk_trion_pll_configure description Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 183/244] scsi: lpfc: Fix possible memory leak when failing to issue CMF WQE Greg Kroah-Hartman
` (63 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Justin Tee, James Smart,
Martin K. Petersen, Sasha Levin
From: James Smart <jsmart2021@gmail.com>
[ Upstream commit f8191d40aa612981ce897e66cda6a88db8df17bb ]
Malformed user input to debugfs results in buffer overflow crashes. Adapt
input string lengths to fit within internal buffers, leaving space for NULL
terminators.
Link: https://lore.kernel.org/r/20220701211425.2708-3-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/lpfc/lpfc_debugfs.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 08b2e85dcd7d..79bc86ba59b3 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -2607,8 +2607,8 @@ lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
struct lpfc_sli4_hdw_queue *qp;
struct lpfc_multixri_pool *multixri_pool;
- if (nbytes > 64)
- nbytes = 64;
+ if (nbytes > sizeof(mybuf) - 1)
+ nbytes = sizeof(mybuf) - 1;
memset(mybuf, 0, sizeof(mybuf));
@@ -2688,8 +2688,8 @@ lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf,
if (!phba->targetport)
return -ENXIO;
- if (nbytes > 64)
- nbytes = 64;
+ if (nbytes > sizeof(mybuf) - 1)
+ nbytes = sizeof(mybuf) - 1;
memset(mybuf, 0, sizeof(mybuf));
@@ -2826,8 +2826,8 @@ lpfc_debugfs_ioktime_write(struct file *file, const char __user *buf,
char mybuf[64];
char *pbuf;
- if (nbytes > 64)
- nbytes = 64;
+ if (nbytes > sizeof(mybuf) - 1)
+ nbytes = sizeof(mybuf) - 1;
memset(mybuf, 0, sizeof(mybuf));
@@ -2954,8 +2954,8 @@ lpfc_debugfs_nvmeio_trc_write(struct file *file, const char __user *buf,
char mybuf[64];
char *pbuf;
- if (nbytes > 63)
- nbytes = 63;
+ if (nbytes > sizeof(mybuf) - 1)
+ nbytes = sizeof(mybuf) - 1;
memset(mybuf, 0, sizeof(mybuf));
@@ -3060,8 +3060,8 @@ lpfc_debugfs_hdwqstat_write(struct file *file, const char __user *buf,
char *pbuf;
int i;
- if (nbytes > 64)
- nbytes = 64;
+ if (nbytes > sizeof(mybuf) - 1)
+ nbytes = sizeof(mybuf) - 1;
memset(mybuf, 0, sizeof(mybuf));
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 183/244] scsi: lpfc: Fix possible memory leak when failing to issue CMF WQE
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (181 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 182/244] scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 184/244] gadgetfs: ep_io - wait until IRQ finishes Greg Kroah-Hartman
` (62 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Justin Tee, James Smart,
Martin K. Petersen, Sasha Levin
From: James Smart <jsmart2021@gmail.com>
[ Upstream commit 2f67dc7970bce3529edce93a0a14234d88b3fcd5 ]
There is no corresponding free routine if lpfc_sli4_issue_wqe fails to
issue the CMF WQE in lpfc_issue_cmf_sync_wqe.
If ret_val is non-zero, then free the iocbq request structure.
Link: https://lore.kernel.org/r/20220701211425.2708-6-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/lpfc/lpfc_sli.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index fb69416c9623..f594a006d04c 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -2012,10 +2012,12 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total)
sync_buf->cmd_flag |= LPFC_IO_CMF;
ret_val = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[0], sync_buf);
- if (ret_val)
+ if (ret_val) {
lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
"6214 Cannot issue CMF_SYNC_WQE: x%x\n",
ret_val);
+ __lpfc_sli_release_iocbq(phba, sync_buf);
+ }
out_unlock:
spin_unlock_irqrestore(&phba->hbalock, iflags);
return ret_val;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 184/244] gadgetfs: ep_io - wait until IRQ finishes
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (182 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 183/244] scsi: lpfc: Fix possible memory leak when failing to issue CMF WQE Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 185/244] coresight: etm4x: avoid build failure with unrolled loops Greg Kroah-Hartman
` (61 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Jozef Martiniak, Sasha Levin
From: Jozef Martiniak <jomajm@gmail.com>
[ Upstream commit 04cb742d4d8f30dc2e83b46ac317eec09191c68e ]
after usb_ep_queue() if wait_for_completion_interruptible() is
interrupted we need to wait until IRQ gets finished.
Otherwise complete() from epio_complete() can corrupt stack.
Signed-off-by: Jozef Martiniak <jomajm@gmail.com>
Link: https://lore.kernel.org/r/20220708070645.6130-1-jomajm@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/gadget/legacy/inode.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index 3279b4767424..9e8b678f0548 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -362,6 +362,7 @@ ep_io (struct ep_data *epdata, void *buf, unsigned len)
spin_unlock_irq (&epdata->dev->lock);
DBG (epdata->dev, "endpoint gone\n");
+ wait_for_completion(&done);
epdata->status = -ENODEV;
}
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 185/244] coresight: etm4x: avoid build failure with unrolled loops
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (183 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 184/244] gadgetfs: ep_io - wait until IRQ finishes Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 186/244] habanalabs/gaudi: fix shift out of bounds Greg Kroah-Hartman
` (60 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Arnd Bergmann, Tao Zhang,
Nick Desaulniers, Arnd Bergmann, Suzuki K Poulose, Sasha Levin
From: Nick Desaulniers <ndesaulniers@google.com>
[ Upstream commit 4d45bc82df667ad9e9cb8361830e54fc1264e993 ]
When the following configs are enabled:
* CORESIGHT
* CORESIGHT_SOURCE_ETM4X
* UBSAN
* UBSAN_TRAP
Clang fails assemble the kernel with the error:
<instantiation>:1:7: error: expected constant expression in '.inst' directive
.inst (0xd5200000|((((2) << 19) | ((1) << 16) | (((((((((((0x160 + (i * 4))))) >> 2))) >> 7) & 0x7)) << 12) | ((((((((((0x160 + (i * 4))))) >> 2))) & 0xf)) << 8) | (((((((((((0x160 + (i * 4))))) >> 2))) >> 4) & 0x7)) << 5)))|(.L__reg_num_x8))
^
drivers/hwtracing/coresight/coresight-etm4x-core.c:702:4: note: while in
macro instantiation
etm4x_relaxed_read32(csa, TRCCNTVRn(i));
^
drivers/hwtracing/coresight/coresight-etm4x.h:403:4: note: expanded from
macro 'etm4x_relaxed_read32'
read_etm4x_sysreg_offset((offset), false)))
^
drivers/hwtracing/coresight/coresight-etm4x.h:383:12: note: expanded
from macro 'read_etm4x_sysreg_offset'
__val = read_etm4x_sysreg_const_offset((offset)); \
^
drivers/hwtracing/coresight/coresight-etm4x.h:149:2: note: expanded from
macro 'read_etm4x_sysreg_const_offset'
READ_ETM4x_REG(ETM4x_OFFSET_TO_REG(offset))
^
drivers/hwtracing/coresight/coresight-etm4x.h:144:2: note: expanded from
macro 'READ_ETM4x_REG'
read_sysreg_s(ETM4x_REG_NUM_TO_SYSREG((reg)))
^
arch/arm64/include/asm/sysreg.h:1108:15: note: expanded from macro
'read_sysreg_s'
asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
^
arch/arm64/include/asm/sysreg.h:1074:2: note: expanded from macro '__mrs_s'
" mrs_s " v ", " __stringify(r) "\n" \
^
Consider the definitions of TRCSSCSRn and TRCCNTVRn:
drivers/hwtracing/coresight/coresight-etm4x.h:56
#define TRCCNTVRn(n) (0x160 + (n * 4))
drivers/hwtracing/coresight/coresight-etm4x.h:81
#define TRCSSCSRn(n) (0x2A0 + (n * 4))
Where the macro parameter is expanded to i; a loop induction variable
from etm4_disable_hw.
When any compiler can determine that loops may be unrolled, then the
__builtin_constant_p check in read_etm4x_sysreg_offset() defined in
drivers/hwtracing/coresight/coresight-etm4x.h may evaluate to true. This
can lead to the expression `(0x160 + (i * 4))` being passed to
read_etm4x_sysreg_const_offset. Via the trace above, this is passed
through READ_ETM4x_REG, read_sysreg_s, and finally to __mrs_s where it
is string-ified and used directly in inline asm.
Regardless of which compiler or compiler options determine whether a
loop can or can't be unrolled, which determines whether
__builtin_constant_p evaluates to true when passed an expression using a
loop induction variable, it is NEVER safe to allow the preprocessor to
construct inline asm like:
asm volatile (".inst (0x160 + (i * 4))" : "=r"(__val));
^ expected constant expression
Instead of read_etm4x_sysreg_offset() using __builtin_constant_p(), use
__is_constexpr from include/linux/const.h instead to ensure only
expressions that are valid integer constant expressions get passed
through to read_sysreg_s().
This is not a bug in clang; it's a potentially unsafe use of the macro
arguments in read_etm4x_sysreg_offset dependent on __builtin_constant_p.
Link: https://github.com/ClangBuiltLinux/linux/issues/1310
Reported-by: Arnd Bergmann <arnd@kernel.org>
Reported-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20220708231520.3958391-1-ndesaulniers@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/hwtracing/coresight/coresight-etm4x.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index e5b79bdb9851..794b29639035 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -7,6 +7,7 @@
#define _CORESIGHT_CORESIGHT_ETM_H
#include <asm/local.h>
+#include <linux/const.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include "coresight-priv.h"
@@ -417,7 +418,7 @@
({ \
u64 __val; \
\
- if (__builtin_constant_p((offset))) \
+ if (__is_constexpr((offset))) \
__val = read_etm4x_sysreg_const_offset((offset)); \
else \
__val = etm4x_sysreg_read((offset), true, (_64bit)); \
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 186/244] habanalabs/gaudi: fix shift out of bounds
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (184 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 185/244] coresight: etm4x: avoid build failure with unrolled loops Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 187/244] habanalabs/gaudi: mask constant value before cast Greg Kroah-Hartman
` (59 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ofir Bitton, Oded Gabbay, Sasha Levin
From: Ofir Bitton <obitton@habana.ai>
[ Upstream commit 01622098aeb05a5efbb727199bbc2a4653393255 ]
When validating NIC queues, queue offset calculation must be
performed only for NIC queues.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/habanalabs/gaudi/gaudi.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 14da87b38e83..801acab048eb 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -5744,15 +5744,17 @@ static int gaudi_parse_cb_no_ext_queue(struct hl_device *hdev,
{
struct asic_fixed_properties *asic_prop = &hdev->asic_prop;
struct gaudi_device *gaudi = hdev->asic_specific;
- u32 nic_mask_q_id = 1 << (HW_CAP_NIC_SHIFT +
- ((parser->hw_queue_id - GAUDI_QUEUE_ID_NIC_0_0) >> 2));
+ u32 nic_queue_offset, nic_mask_q_id;
if ((parser->hw_queue_id >= GAUDI_QUEUE_ID_NIC_0_0) &&
- (parser->hw_queue_id <= GAUDI_QUEUE_ID_NIC_9_3) &&
- (!(gaudi->hw_cap_initialized & nic_mask_q_id))) {
- dev_err(hdev->dev, "h/w queue %d is disabled\n",
- parser->hw_queue_id);
- return -EINVAL;
+ (parser->hw_queue_id <= GAUDI_QUEUE_ID_NIC_9_3)) {
+ nic_queue_offset = parser->hw_queue_id - GAUDI_QUEUE_ID_NIC_0_0;
+ nic_mask_q_id = 1 << (HW_CAP_NIC_SHIFT + (nic_queue_offset >> 2));
+
+ if (!(gaudi->hw_cap_initialized & nic_mask_q_id)) {
+ dev_err(hdev->dev, "h/w queue %d is disabled\n", parser->hw_queue_id);
+ return -EINVAL;
+ }
}
/* For internal queue jobs just check if CB address is valid */
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 187/244] habanalabs/gaudi: mask constant value before cast
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (185 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 186/244] habanalabs/gaudi: fix shift out of bounds Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 188/244] mmc: tmio: avoid glitches when resetting Greg Kroah-Hartman
` (58 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Oded Gabbay, Sasha Levin
From: Oded Gabbay <ogabbay@kernel.org>
[ Upstream commit e3f49437a2e0221a387ecd192d742ae1434e1e3a ]
This fixes a sparse warning of
"cast truncates bits from constant value"
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/habanalabs/gaudi/gaudi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index 801acab048eb..8132200dca67 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -3318,19 +3318,19 @@ static void gaudi_init_nic_qman(struct hl_device *hdev, u32 nic_offset,
u32 nic_qm_err_cfg, irq_handler_offset;
u32 q_off;
- mtr_base_en_lo = lower_32_bits(CFG_BASE +
+ mtr_base_en_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
- so_base_en_lo = lower_32_bits(CFG_BASE +
+ so_base_en_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_en_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_E_N_SYNC_MNGR_OBJS_SOB_OBJ_0);
- mtr_base_ws_lo = lower_32_bits(CFG_BASE +
+ mtr_base_ws_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
mtr_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_MON_PAY_ADDRL_0);
- so_base_ws_lo = lower_32_bits(CFG_BASE +
+ so_base_ws_lo = lower_32_bits((CFG_BASE & U32_MAX) +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
so_base_ws_hi = upper_32_bits(CFG_BASE +
mmSYNC_MNGR_W_S_SYNC_MNGR_OBJS_SOB_OBJ_0);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 188/244] mmc: tmio: avoid glitches when resetting
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (186 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 187/244] habanalabs/gaudi: mask constant value before cast Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 189/244] pinctrl: intel: Check against matching data instead of ACPI companion Greg Kroah-Hartman
` (57 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yoshihiro Shimoda, Wolfram Sang,
Ulf Hansson, Sasha Levin
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
[ Upstream commit 2e586f8a5b0ed4a525014a692923ac96f6647816 ]
If we reset because of an error, we need to preserve values for the
clock frequency. Otherwise, glitches may be seen on the bus.
To achieve that, we introduce a 'preserve' parameter to the reset
function and the IP core specific reset callbacks to handle everything
accordingly.
Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220625131722.1397-1-wsa@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/mmc/host/renesas_sdhi_core.c | 29 ++++++++++++++--------------
drivers/mmc/host/tmio_mmc.c | 2 +-
drivers/mmc/host/tmio_mmc.h | 6 +++++-
drivers/mmc/host/tmio_mmc_core.c | 28 +++++++++++++++++++++------
4 files changed, 42 insertions(+), 23 deletions(-)
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 791e180a0617..387f2a4f693a 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -51,9 +51,6 @@
#define HOST_MODE_GEN3_32BIT (HOST_MODE_GEN3_WMODE | HOST_MODE_GEN3_BUSWIDTH)
#define HOST_MODE_GEN3_64BIT 0
-#define CTL_SDIF_MODE 0xe6
-#define SDIF_MODE_HS400 BIT(0)
-
#define SDHI_VER_GEN2_SDR50 0x490c
#define SDHI_VER_RZ_A1 0x820b
/* very old datasheets said 0x490c for SDR104, too. They are wrong! */
@@ -550,23 +547,25 @@ static void renesas_sdhi_scc_reset(struct tmio_mmc_host *host, struct renesas_sd
}
/* only populated for TMIO_MMC_MIN_RCAR2 */
-static void renesas_sdhi_reset(struct tmio_mmc_host *host)
+static void renesas_sdhi_reset(struct tmio_mmc_host *host, bool preserve)
{
struct renesas_sdhi *priv = host_to_priv(host);
int ret;
u16 val;
- if (priv->rstc) {
- reset_control_reset(priv->rstc);
- /* Unknown why but without polling reset status, it will hang */
- read_poll_timeout(reset_control_status, ret, ret == 0, 1, 100,
- false, priv->rstc);
- /* At least SDHI_VER_GEN2_SDR50 needs manual release of reset */
- sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
- priv->needs_adjust_hs400 = false;
- renesas_sdhi_set_clock(host, host->clk_cache);
- } else if (priv->scc_ctl) {
- renesas_sdhi_scc_reset(host, priv);
+ if (!preserve) {
+ if (priv->rstc) {
+ reset_control_reset(priv->rstc);
+ /* Unknown why but without polling reset status, it will hang */
+ read_poll_timeout(reset_control_status, ret, ret == 0, 1, 100,
+ false, priv->rstc);
+ /* At least SDHI_VER_GEN2_SDR50 needs manual release of reset */
+ sd_ctrl_write16(host, CTL_RESET_SD, 0x0001);
+ priv->needs_adjust_hs400 = false;
+ renesas_sdhi_set_clock(host, host->clk_cache);
+ } else if (priv->scc_ctl) {
+ renesas_sdhi_scc_reset(host, priv);
+ }
}
if (sd_ctrl_read16(host, CTL_VERSION) >= SDHI_VER_GEN3_SD) {
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index b55a29c53d9c..53a2ad9a24b8 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -75,7 +75,7 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host,
tmio_mmc_clk_start(host);
}
-static void tmio_mmc_reset(struct tmio_mmc_host *host)
+static void tmio_mmc_reset(struct tmio_mmc_host *host, bool preserve)
{
sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0000);
usleep_range(10000, 11000);
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index f936aad945ce..da63193dd45b 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -42,6 +42,7 @@
#define CTL_DMA_ENABLE 0xd8
#define CTL_RESET_SD 0xe0
#define CTL_VERSION 0xe2
+#define CTL_SDIF_MODE 0xe6 /* only known on R-Car 2+ */
/* Definitions for values the CTL_STOP_INTERNAL_ACTION register can take */
#define TMIO_STOP_STP BIT(0)
@@ -98,6 +99,9 @@
/* Definitions for values the CTL_DMA_ENABLE register can take */
#define DMA_ENABLE_DMASDRW BIT(1)
+/* Definitions for values the CTL_SDIF_MODE register can take */
+#define SDIF_MODE_HS400 BIT(0) /* only known on R-Car 2+ */
+
/* Define some IRQ masks */
/* This is the mask used at reset by the chip */
#define TMIO_MASK_ALL 0x837f031d
@@ -181,7 +185,7 @@ struct tmio_mmc_host {
int (*multi_io_quirk)(struct mmc_card *card,
unsigned int direction, int blk_size);
int (*write16_hook)(struct tmio_mmc_host *host, int addr);
- void (*reset)(struct tmio_mmc_host *host);
+ void (*reset)(struct tmio_mmc_host *host, bool preserve);
bool (*check_retune)(struct tmio_mmc_host *host, struct mmc_request *mrq);
void (*fixup_request)(struct tmio_mmc_host *host, struct mmc_request *mrq);
unsigned int (*get_timeout_cycles)(struct tmio_mmc_host *host);
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index a5850d83908b..437048bb8027 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -179,8 +179,17 @@ static void tmio_mmc_set_bus_width(struct tmio_mmc_host *host,
sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, reg);
}
-static void tmio_mmc_reset(struct tmio_mmc_host *host)
+static void tmio_mmc_reset(struct tmio_mmc_host *host, bool preserve)
{
+ u16 card_opt, clk_ctrl, sdif_mode;
+
+ if (preserve) {
+ card_opt = sd_ctrl_read16(host, CTL_SD_MEM_CARD_OPT);
+ clk_ctrl = sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL);
+ if (host->pdata->flags & TMIO_MMC_MIN_RCAR2)
+ sdif_mode = sd_ctrl_read16(host, CTL_SDIF_MODE);
+ }
+
/* FIXME - should we set stop clock reg here */
sd_ctrl_write16(host, CTL_RESET_SD, 0x0000);
usleep_range(10000, 11000);
@@ -190,7 +199,7 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host)
tmio_mmc_abort_dma(host);
if (host->reset)
- host->reset(host);
+ host->reset(host, preserve);
sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK, host->sdcard_irq_mask_all);
host->sdcard_irq_mask = host->sdcard_irq_mask_all;
@@ -206,6 +215,13 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host)
sd_ctrl_write16(host, CTL_TRANSACTION_CTL, 0x0001);
}
+ if (preserve) {
+ sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, card_opt);
+ sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk_ctrl);
+ if (host->pdata->flags & TMIO_MMC_MIN_RCAR2)
+ sd_ctrl_write16(host, CTL_SDIF_MODE, sdif_mode);
+ }
+
if (host->mmc->card)
mmc_retune_needed(host->mmc);
}
@@ -248,7 +264,7 @@ static void tmio_mmc_reset_work(struct work_struct *work)
spin_unlock_irqrestore(&host->lock, flags);
- tmio_mmc_reset(host);
+ tmio_mmc_reset(host, true);
/* Ready for new calls */
host->mrq = NULL;
@@ -961,7 +977,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
tmio_mmc_power_off(host);
/* For R-Car Gen2+, we need to reset SDHI specific SCC */
if (host->pdata->flags & TMIO_MMC_MIN_RCAR2)
- tmio_mmc_reset(host);
+ tmio_mmc_reset(host, false);
host->set_clock(host, 0);
break;
@@ -1189,7 +1205,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
_host->sdcard_irq_mask_all = TMIO_MASK_ALL;
_host->set_clock(_host, 0);
- tmio_mmc_reset(_host);
+ tmio_mmc_reset(_host, false);
spin_lock_init(&_host->lock);
mutex_init(&_host->ios_lock);
@@ -1285,7 +1301,7 @@ int tmio_mmc_host_runtime_resume(struct device *dev)
struct tmio_mmc_host *host = dev_get_drvdata(dev);
tmio_mmc_clk_enable(host);
- tmio_mmc_reset(host);
+ tmio_mmc_reset(host, false);
if (host->clk_cache)
host->set_clock(host, host->clk_cache);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 189/244] pinctrl: intel: Check against matching data instead of ACPI companion
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (187 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 188/244] mmc: tmio: avoid glitches when resetting Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 190/244] cxl: Fix a memory leak in an error handling path Greg Kroah-Hartman
` (56 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Henning Schild, Andy Shevchenko,
Hans de Goede, Mika Westerberg, Linus Walleij, Lee Jones,
Sasha Levin
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ Upstream commit c551bd81d198bf1dcd4398d5454acdc0309dbe77 ]
In some cases we may get a platform device that has ACPI companion
which is different to the pin control described in the ACPI tables.
This is primarily happens when device is instantiated by board file.
In order to allow this device being enumerated, refactor
intel_pinctrl_get_soc_data() to check the matching data instead of
ACPI companion.
Reported-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Henning Schild <henning.schild@siemens.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/pinctrl/intel/pinctrl-intel.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 826d494f3cc6..48f55991ae8c 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1626,16 +1626,14 @@ EXPORT_SYMBOL_GPL(intel_pinctrl_probe_by_uid);
const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_device *pdev)
{
+ const struct intel_pinctrl_soc_data * const *table;
const struct intel_pinctrl_soc_data *data = NULL;
- const struct intel_pinctrl_soc_data **table;
- struct acpi_device *adev;
- unsigned int i;
- adev = ACPI_COMPANION(&pdev->dev);
- if (adev) {
- const void *match = device_get_match_data(&pdev->dev);
+ table = device_get_match_data(&pdev->dev);
+ if (table) {
+ struct acpi_device *adev = ACPI_COMPANION(&pdev->dev);
+ unsigned int i;
- table = (const struct intel_pinctrl_soc_data **)match;
for (i = 0; table[i]; i++) {
if (!strcmp(adev->pnp.unique_id, table[i]->uid)) {
data = table[i];
@@ -1649,7 +1647,7 @@ const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_
if (!id)
return ERR_PTR(-ENODEV);
- table = (const struct intel_pinctrl_soc_data **)id->driver_data;
+ table = (const struct intel_pinctrl_soc_data * const *)id->driver_data;
data = table[pdev->id];
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 190/244] cxl: Fix a memory leak in an error handling path
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (188 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 189/244] pinctrl: intel: Check against matching data instead of ACPI companion Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 191/244] PCI/ACPI: Guard ARM64-specific mcfg_quirks Greg Kroah-Hartman
` (55 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Andrew Donnellan, Christophe JAILLET,
Sasha Levin
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ Upstream commit 3a15b45b5454da862376b5d69a4967f5c6fa1368 ]
A bitmap_zalloc() must be balanced by a corresponding bitmap_free() in the
error handling path of afu_allocate_irqs().
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/ce5869418f5838187946eb6b11a52715a93ece3d.1657566849.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/misc/cxl/irq.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index 4cb829d5d873..2e4dcfebf19a 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -349,6 +349,7 @@ int afu_allocate_irqs(struct cxl_context *ctx, u32 count)
out:
cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
+ bitmap_free(ctx->irq_bitmap);
afu_irq_name_free(ctx);
return -ENOMEM;
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 191/244] PCI/ACPI: Guard ARM64-specific mcfg_quirks
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (189 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 190/244] cxl: Fix a memory leak in an error handling path Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 192/244] um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups Greg Kroah-Hartman
` (54 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Huacai Chen, Bjorn Helgaas, Sasha Levin
From: Huacai Chen <chenhuacai@loongson.cn>
[ Upstream commit 40a6cc141b4b9580de140bcb3e893445708acc5d ]
Guard ARM64-specific quirks with CONFIG_ARM64 to avoid build errors,
since mcfg_quirks will be shared by more than one architectures.
Link: https://lore.kernel.org/r/20220714124216.1489304-2-chenhuacai@loongson.cn
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/acpi/pci_mcfg.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
index 53cab975f612..63b98eae5e75 100644
--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -41,6 +41,8 @@ struct mcfg_fixup {
static struct mcfg_fixup mcfg_quirks[] = {
/* { OEM_ID, OEM_TABLE_ID, REV, SEGMENT, BUS_RANGE, ops, cfgres }, */
+#ifdef CONFIG_ARM64
+
#define AL_ECAM(table_id, rev, seg, ops) \
{ "AMAZON", table_id, rev, seg, MCFG_BUS_ANY, ops }
@@ -169,6 +171,7 @@ static struct mcfg_fixup mcfg_quirks[] = {
ALTRA_ECAM_QUIRK(1, 13),
ALTRA_ECAM_QUIRK(1, 14),
ALTRA_ECAM_QUIRK(1, 15),
+#endif /* ARM64 */
};
static char mcfg_oem_id[ACPI_OEM_ID_SIZE];
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 192/244] um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (190 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 191/244] PCI/ACPI: Guard ARM64-specific mcfg_quirks Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 193/244] dmaengine: dw-axi-dmac: do not print NULL LLI during error Greg Kroah-Hartman
` (53 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Jason A. Donenfeld,
Richard Weinberger, Sasha Levin
From: Jason A. Donenfeld <Jason@zx2c4.com>
[ Upstream commit dda520d07b95072a0b63f6c52a8eb566d08ea897 ]
QEMU has a -no-reboot option, which halts instead of reboots when the
guest asks to reboot. This is invaluable when used with
CONFIG_PANIC_TIMEOUT=-1 (and panic_on_warn), because it allows panics
and warnings to be caught immediately in CI. Implement this in UML too,
by way of a basic setup param.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/um/os-Linux/skas/process.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 87d3129e7362..0df2ebcc97c0 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -5,6 +5,7 @@
*/
#include <stdlib.h>
+#include <stdbool.h>
#include <unistd.h>
#include <sched.h>
#include <errno.h>
@@ -707,10 +708,24 @@ void halt_skas(void)
UML_LONGJMP(&initial_jmpbuf, INIT_JMP_HALT);
}
+static bool noreboot;
+
+static int __init noreboot_cmd_param(char *str, int *add)
+{
+ noreboot = true;
+ return 0;
+}
+
+__uml_setup("noreboot", noreboot_cmd_param,
+"noreboot\n"
+" Rather than rebooting, exit always, akin to QEMU's -no-reboot option.\n"
+" This is useful if you're using CONFIG_PANIC_TIMEOUT in order to catch\n"
+" crashes in CI\n");
+
void reboot_skas(void)
{
block_signals_trace();
- UML_LONGJMP(&initial_jmpbuf, INIT_JMP_REBOOT);
+ UML_LONGJMP(&initial_jmpbuf, noreboot ? INIT_JMP_HALT : INIT_JMP_REBOOT);
}
void __switch_mm(struct mm_id *mm_idp)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 193/244] dmaengine: dw-axi-dmac: do not print NULL LLI during error
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (191 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 192/244] um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 194/244] dmaengine: dw-axi-dmac: ignore interrupt if no descriptor Greg Kroah-Hartman
` (52 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ben Dooks, Vinod Koul, Sasha Levin
From: Ben Dooks <ben.dooks@sifive.com>
[ Upstream commit 86cb0defe0e275453bc39e856bb523eb425a6537 ]
During debugging we have seen an issue where axi_chan_dump_lli()
is passed a NULL LLI pointer which ends up causing an OOPS due
to trying to get fields from it. Simply print NULL LLI and exit
to avoid this.
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Link: https://lore.kernel.org/r/20220708170153.269991-3-ben.dooks@sifive.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 35993ab92154..8f765e2d7c72 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -944,6 +944,11 @@ static int dw_axi_dma_chan_slave_config(struct dma_chan *dchan,
static void axi_chan_dump_lli(struct axi_dma_chan *chan,
struct axi_dma_hw_desc *desc)
{
+ if (!desc->lli) {
+ dev_err(dchan2dev(&chan->vc.chan), "NULL LLI\n");
+ return;
+ }
+
dev_err(dchan2dev(&chan->vc.chan),
"SAR: 0x%llx DAR: 0x%llx LLP: 0x%llx BTS 0x%x CTL: 0x%x:%08x",
le64_to_cpu(desc->lli->sar),
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 194/244] dmaengine: dw-axi-dmac: ignore interrupt if no descriptor
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (192 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 193/244] dmaengine: dw-axi-dmac: do not print NULL LLI during error Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 195/244] RDMA/rxe: Limit the number of calls to each tasklet Greg Kroah-Hartman
` (51 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ben Dooks, Vinod Koul, Sasha Levin
From: Ben Dooks <ben.dooks@sifive.com>
[ Upstream commit 820f5ce999d2f99961e88c16d65cd26764df0590 ]
If the channel has no descriptor and the interrupt is raised then the
kernel will OOPS. Check the result of vchan_next_desc() in the handler
axi_chan_block_xfer_complete() to avoid the error happening.
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Link: https://lore.kernel.org/r/20220708170153.269991-4-ben.dooks@sifive.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 8f765e2d7c72..48de8d2b32f2 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -1016,6 +1016,11 @@ static void axi_chan_block_xfer_complete(struct axi_dma_chan *chan)
/* The completed descriptor currently is in the head of vc list */
vd = vchan_next_desc(&chan->vc);
+ if (!vd) {
+ dev_err(chan2dev(chan), "BUG: %s, IRQ with no descriptors\n",
+ axi_chan_name(chan));
+ goto out;
+ }
if (chan->cyclic) {
desc = vd_to_axi_desc(vd);
@@ -1045,6 +1050,7 @@ static void axi_chan_block_xfer_complete(struct axi_dma_chan *chan)
axi_chan_start_first_queued(chan);
}
+out:
spin_unlock_irqrestore(&chan->vc.lock, flags);
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 195/244] RDMA/rxe: Limit the number of calls to each tasklet
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (193 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 194/244] dmaengine: dw-axi-dmac: ignore interrupt if no descriptor Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 196/244] csky/kprobe: reclaim insn_slot on kprobe unregistration Greg Kroah-Hartman
` (50 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Bob Pearson, Jason Gunthorpe, Sasha Levin
From: Bob Pearson <rpearsonhpe@gmail.com>
[ Upstream commit eff6d998ca297cb0b2e53b032a56cf8e04dd8b17 ]
Limit the maximum number of calls to each tasklet from rxe_do_task()
before yielding the cpu. When the limit is reached reschedule the tasklet
and exit the calling loop. This patch prevents one tasklet from consuming
100% of a cpu core and causing a deadlock or soft lockup.
Link: https://lore.kernel.org/r/20220630190425.2251-9-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/infiniband/sw/rxe/rxe_param.h | 6 ++++++
drivers/infiniband/sw/rxe/rxe_task.c | 16 ++++++++++++----
2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h
index b5a70cbe94aa..872389870106 100644
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -103,6 +103,12 @@ enum rxe_device_param {
RXE_INFLIGHT_SKBS_PER_QP_HIGH = 64,
RXE_INFLIGHT_SKBS_PER_QP_LOW = 16,
+ /* Max number of interations of each tasklet
+ * before yielding the cpu to let other
+ * work make progress
+ */
+ RXE_MAX_ITERATIONS = 1024,
+
/* Delay before calling arbiter timer */
RXE_NSEC_ARB_TIMER_DELAY = 200,
diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c
index 6951fdcb31bf..568cf56c236b 100644
--- a/drivers/infiniband/sw/rxe/rxe_task.c
+++ b/drivers/infiniband/sw/rxe/rxe_task.c
@@ -8,7 +8,7 @@
#include <linux/interrupt.h>
#include <linux/hardirq.h>
-#include "rxe_task.h"
+#include "rxe.h"
int __rxe_do_task(struct rxe_task *task)
@@ -34,6 +34,7 @@ void rxe_do_task(struct tasklet_struct *t)
int ret;
unsigned long flags;
struct rxe_task *task = from_tasklet(task, t, tasklet);
+ unsigned int iterations = RXE_MAX_ITERATIONS;
spin_lock_irqsave(&task->state_lock, flags);
switch (task->state) {
@@ -62,13 +63,20 @@ void rxe_do_task(struct tasklet_struct *t)
spin_lock_irqsave(&task->state_lock, flags);
switch (task->state) {
case TASK_STATE_BUSY:
- if (ret)
+ if (ret) {
task->state = TASK_STATE_START;
- else
+ } else if (iterations--) {
cont = 1;
+ } else {
+ /* reschedule the tasklet and exit
+ * the loop to give up the cpu
+ */
+ tasklet_schedule(&task->tasklet);
+ task->state = TASK_STATE_START;
+ }
break;
- /* soneone tried to run the task since the last time we called
+ /* someone tried to run the task since the last time we called
* func, so we will call one more time regardless of the
* return value
*/
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 196/244] csky/kprobe: reclaim insn_slot on kprobe unregistration
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (194 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 195/244] RDMA/rxe: Limit the number of calls to each tasklet Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 197/244] selftests/kprobe: Do not test for GRP/ without event failures Greg Kroah-Hartman
` (49 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Chen Guokai,
Masami Hiramatsu (Google),
Liao Chang, Guo Ren, Sasha Levin
From: Liao Chang <liaochang1@huawei.com>
[ Upstream commit a2310c74d418deca0f1d749c45f1f43162510f51 ]
On kprobe registration kernel allocate one insn_slot for new kprobe,
but it forget to reclaim the insn_slot on unregistration, leading to a
potential leakage.
Reported-by: Chen Guokai <chenguokai17@mails.ucas.ac.cn>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Liao Chang <liaochang1@huawei.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/csky/kernel/probes/kprobes.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/csky/kernel/probes/kprobes.c b/arch/csky/kernel/probes/kprobes.c
index 4045894d9280..584ed9f36290 100644
--- a/arch/csky/kernel/probes/kprobes.c
+++ b/arch/csky/kernel/probes/kprobes.c
@@ -124,6 +124,10 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
void __kprobes arch_remove_kprobe(struct kprobe *p)
{
+ if (p->ainsn.api.insn) {
+ free_insn_slot(p->ainsn.api.insn, 0);
+ p->ainsn.api.insn = NULL;
+ }
}
static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 197/244] selftests/kprobe: Do not test for GRP/ without event failures
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (195 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 196/244] csky/kprobe: reclaim insn_slot on kprobe unregistration Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 198/244] dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed Greg Kroah-Hartman
` (48 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Steven Rostedt (Google), Sasha Levin
From: Steven Rostedt (Google) <rostedt@goodmis.org>
[ Upstream commit f5eab65ff2b76449286d18efc7fee3e0b72f7d9b ]
A new feature is added where kprobes (and other probes) do not need to
explicitly state the event name when creating a probe. The event name will
come from what is being attached.
That is:
# echo 'p:foo/ vfs_read' > kprobe_events
Will no longer error, but instead create an event:
# cat kprobe_events
p:foo/p_vfs_read_0 vfs_read
This should not be tested as an error case anymore. Remove it from the
selftest as now this feature "breaks" the selftest as it no longer fails
as expected.
Link: https://lore.kernel.org/all/1656296348-16111-1-git-send-email-quic_linyyuan@quicinc.com/
Link: https://lkml.kernel.org/r/20220712161707.6dc08a14@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
.../selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 1 -
1 file changed, 1 deletion(-)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
index fa928b431555..7c02509c71d0 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -21,7 +21,6 @@ check_error 'p:^/bar vfs_read' # NO_GROUP_NAME
check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG
check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME
-check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME
check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG
check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 198/244] dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (196 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 197/244] selftests/kprobe: Do not test for GRP/ without event failures Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 199/244] openrisc: io: Define iounmap argument as volatile Greg Kroah-Hartman
` (47 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Uwe Kleine-König, Baolin Wang,
Vinod Koul, Sasha Levin
From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[ Upstream commit 1e42f82cbec7b2cc4873751e7791e6611901c5fc ]
It's not allowed to quit remove early without cleaning up completely.
Otherwise this results in resource leaks that probably yield graver
problems later. Here for example some tasklets might survive the lifetime
of the sprd-dma device and access sdev which is freed after .remove()
returns.
As none of the device freeing requires an active device, just ignore the
return value of pm_runtime_get_sync().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20220721204054.323602-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/dma/sprd-dma.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c
index 4357d2395e6b..60115d8d4083 100644
--- a/drivers/dma/sprd-dma.c
+++ b/drivers/dma/sprd-dma.c
@@ -1236,11 +1236,8 @@ static int sprd_dma_remove(struct platform_device *pdev)
{
struct sprd_dma_dev *sdev = platform_get_drvdata(pdev);
struct sprd_dma_chn *c, *cn;
- int ret;
- ret = pm_runtime_get_sync(&pdev->dev);
- if (ret < 0)
- return ret;
+ pm_runtime_get_sync(&pdev->dev);
/* explicitly free the irq */
if (sdev->irq > 0)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 199/244] openrisc: io: Define iounmap argument as volatile
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (197 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 198/244] dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:25 ` [PATCH 5.15 200/244] phy: samsung: phy-exynos-pcie: sanitize init/power_on callbacks Greg Kroah-Hartman
` (46 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guenter Roeck, Stafford Horne, Sasha Levin
From: Stafford Horne <shorne@gmail.com>
[ Upstream commit 52e0ea900202d23843daee8f7089817e81dd3dd7 ]
When OpenRISC enables PCI it allows for more drivers to be compiled
resulting in exposing the following with -Werror.
drivers/video/fbdev/riva/fbdev.c: In function 'rivafb_probe':
drivers/video/fbdev/riva/fbdev.c:2062:42: error:
passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type
drivers/video/fbdev/nvidia/nvidia.c: In function 'nvidiafb_probe':
drivers/video/fbdev/nvidia/nvidia.c:1414:20: error:
passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type
drivers/scsi/aic7xxx/aic7xxx_osm.c: In function 'ahc_platform_free':
drivers/scsi/aic7xxx/aic7xxx_osm.c:1231:41: error:
passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type
Most architectures define the iounmap argument to be volatile. To fix this
issue we do the same for OpenRISC. This patch must go before PCI is enabled on
OpenRISC to avoid any compile failures.
Link: https://lore.kernel.org/lkml/20220729033728.GA2195022@roeck-us.net/
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/openrisc/include/asm/io.h | 2 +-
arch/openrisc/mm/ioremap.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h
index c298061c70a7..8aa3e78181e9 100644
--- a/arch/openrisc/include/asm/io.h
+++ b/arch/openrisc/include/asm/io.h
@@ -31,7 +31,7 @@
void __iomem *ioremap(phys_addr_t offset, unsigned long size);
#define iounmap iounmap
-extern void iounmap(void __iomem *addr);
+extern void iounmap(volatile void __iomem *addr);
#include <asm-generic/io.h>
diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c
index daae13a76743..8ec0dafecf25 100644
--- a/arch/openrisc/mm/ioremap.c
+++ b/arch/openrisc/mm/ioremap.c
@@ -77,7 +77,7 @@ void __iomem *__ref ioremap(phys_addr_t addr, unsigned long size)
}
EXPORT_SYMBOL(ioremap);
-void iounmap(void __iomem *addr)
+void iounmap(volatile void __iomem *addr)
{
/* If the page is from the fixmap pool then we just clear out
* the fixmap mapping.
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 200/244] phy: samsung: phy-exynos-pcie: sanitize init/power_on callbacks
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (198 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 199/244] openrisc: io: Define iounmap argument as volatile Greg Kroah-Hartman
@ 2022-08-23 8:25 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 201/244] md: Notify sysfs sync_completed in md_reap_sync_thread() Greg Kroah-Hartman
` (45 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:25 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Bjorn Helgaas, Marek Szyprowski,
Bjorn Helgaas, Chanho Park, Krzysztof Kozlowski, Vinod Koul,
Sasha Levin
From: Marek Szyprowski <m.szyprowski@samsung.com>
[ Upstream commit f2812227bb07e2eaee74253f11cea1576945df31 ]
The exynos-pcie driver called phy_power_on() before phy_init() for some
historical reasons. However the generic PHY framework assumes that the
proper sequence is to call phy_init() first, then phy_power_on(). The
operations done by both functions should be considered as one action and as
such they are called by the exynos-pcie driver (without doing anything
between them). The initialization is just a sequence of register writes,
which cannot be altered without breaking the hardware operation.
To match the generic PHY framework requirement, simply move all register
writes to the phy_init()/phy_exit() and drop power_on()/power_off()
callbacks. This way the driver will also work with the old (incorrect)
PHY initialization call sequence.
Link: https://lore.kernel.org/r/20220628220409.26545-1-m.szyprowski@samsung.com
Reported-by: Bjorn Helgaas <helgaas@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Chanho Park <chanho61.park@samsung.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/phy/samsung/phy-exynos-pcie.c | 25 +++++++++----------------
1 file changed, 9 insertions(+), 16 deletions(-)
diff --git a/drivers/phy/samsung/phy-exynos-pcie.c b/drivers/phy/samsung/phy-exynos-pcie.c
index 578cfe07d07a..53c9230c2907 100644
--- a/drivers/phy/samsung/phy-exynos-pcie.c
+++ b/drivers/phy/samsung/phy-exynos-pcie.c
@@ -51,6 +51,13 @@ static int exynos5433_pcie_phy_init(struct phy *phy)
{
struct exynos_pcie_phy *ep = phy_get_drvdata(phy);
+ regmap_update_bits(ep->pmureg, EXYNOS5433_PMU_PCIE_PHY_OFFSET,
+ BIT(0), 1);
+ regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_GLOBAL_RESET,
+ PCIE_APP_REQ_EXIT_L1_MODE, 0);
+ regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_L1SUB_CM_CON,
+ PCIE_REFCLK_GATING_EN, 0);
+
regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_COMMON_RESET,
PCIE_PHY_RESET, 1);
regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_MAC_RESET,
@@ -109,20 +116,7 @@ static int exynos5433_pcie_phy_init(struct phy *phy)
return 0;
}
-static int exynos5433_pcie_phy_power_on(struct phy *phy)
-{
- struct exynos_pcie_phy *ep = phy_get_drvdata(phy);
-
- regmap_update_bits(ep->pmureg, EXYNOS5433_PMU_PCIE_PHY_OFFSET,
- BIT(0), 1);
- regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_GLOBAL_RESET,
- PCIE_APP_REQ_EXIT_L1_MODE, 0);
- regmap_update_bits(ep->fsysreg, PCIE_EXYNOS5433_PHY_L1SUB_CM_CON,
- PCIE_REFCLK_GATING_EN, 0);
- return 0;
-}
-
-static int exynos5433_pcie_phy_power_off(struct phy *phy)
+static int exynos5433_pcie_phy_exit(struct phy *phy)
{
struct exynos_pcie_phy *ep = phy_get_drvdata(phy);
@@ -135,8 +129,7 @@ static int exynos5433_pcie_phy_power_off(struct phy *phy)
static const struct phy_ops exynos5433_phy_ops = {
.init = exynos5433_pcie_phy_init,
- .power_on = exynos5433_pcie_phy_power_on,
- .power_off = exynos5433_pcie_phy_power_off,
+ .exit = exynos5433_pcie_phy_exit,
.owner = THIS_MODULE,
};
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 201/244] md: Notify sysfs sync_completed in md_reap_sync_thread()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (199 preceding siblings ...)
2022-08-23 8:25 ` [PATCH 5.15 200/244] phy: samsung: phy-exynos-pcie: sanitize init/power_on callbacks Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 202/244] nvmet-tcp: fix lockdep complaint on nvmet_tcp_wq flush during queue teardown Greg Kroah-Hartman
` (44 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Logan Gunthorpe, Christoph Hellwig,
Song Liu, Jens Axboe, Sasha Levin
From: Logan Gunthorpe <logang@deltatee.com>
[ Upstream commit 9973f0fa7d20269fe6fefe6333997fb5914449c1 ]
The mdadm test 07layouts randomly produces a kernel hung task deadlock.
The deadlock is caused by the suspend_lo/suspend_hi files being set by
the mdadm background process during reshape and not being cleared
because the process hangs. (Leaving aside the issue of the fragility of
freezing kernel tasks by buggy userspace processes...)
When the background mdadm process hangs it, is waiting (without a
timeout) on a change to the sync_completed file signalling that the
reshape has completed. The process is woken up a couple times when
the reshape finishes but it is woken up before MD_RECOVERY_RUNNING
is cleared so sync_completed_show() reports 0 instead of "none".
To fix this, notify the sysfs file in md_reap_sync_thread() after
MD_RECOVERY_RUNNING has been cleared. This wakes up mdadm and causes
it to continue and write to suspend_lo/suspend_hi to allow IO to
continue.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/md/md.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4bfaf7d4977d..33946adb0d6f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -9467,6 +9467,7 @@ void md_reap_sync_thread(struct mddev *mddev)
wake_up(&resync_wait);
/* flag recovery needed just to double check */
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ sysfs_notify_dirent_safe(mddev->sysfs_completed);
sysfs_notify_dirent_safe(mddev->sysfs_action);
md_new_event(mddev);
if (mddev->event_work.func)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 202/244] nvmet-tcp: fix lockdep complaint on nvmet_tcp_wq flush during queue teardown
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (200 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 201/244] md: Notify sysfs sync_completed in md_reap_sync_thread() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 203/244] drivers:md:fix a potential use-after-free bug Greg Kroah-Hartman
` (43 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Yi Zhang, Sagi Grimberg,
Christoph Hellwig, Jens Axboe, Sasha Levin
From: Sagi Grimberg <sagi@grimberg.me>
[ Upstream commit 533d2e8b4d5e4c89772a0adce913525fb86cbbee ]
We probably need nvmet_tcp_wq to have MEM_RECLAIM as we are
sending/receiving for the socket from works on this workqueue.
Also this eliminates lockdep complaints:
--
[ 6174.010200] workqueue: WQ_MEM_RECLAIM
nvmet-wq:nvmet_tcp_release_queue_work [nvmet_tcp] is flushing
!WQ_MEM_RECLAIM nvmet_tcp_wq:nvmet_tcp_io_work [nvmet_tcp]
[ 6174.010216] WARNING: CPU: 20 PID: 14456 at kernel/workqueue.c:2628
check_flush_dependency+0x110/0x14c
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/nvme/target/tcp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index f592e5f7f5f3..889c5433c94d 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1834,7 +1834,8 @@ static int __init nvmet_tcp_init(void)
{
int ret;
- nvmet_tcp_wq = alloc_workqueue("nvmet_tcp_wq", WQ_HIGHPRI, 0);
+ nvmet_tcp_wq = alloc_workqueue("nvmet_tcp_wq",
+ WQ_MEM_RECLAIM | WQ_HIGHPRI, 0);
if (!nvmet_tcp_wq)
return -ENOMEM;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 203/244] drivers:md:fix a potential use-after-free bug
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (201 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 202/244] nvmet-tcp: fix lockdep complaint on nvmet_tcp_wq flush during queue teardown Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 204/244] ext4: avoid remove directory when directory is corrupted Greg Kroah-Hartman
` (42 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Wentao_Liang, Song Liu, Jens Axboe,
Sasha Levin
From: Wentao_Liang <Wentao_Liang_g@163.com>
[ Upstream commit 104212471b1c1817b311771d817fb692af983173 ]
In line 2884, "raid5_release_stripe(sh);" drops the reference to sh and
may cause sh to be released. However, sh is subsequently used in lines
2886 "if (sh->batch_head && sh != sh->batch_head)". This may result in an
use-after-free bug.
It can be fixed by moving "raid5_release_stripe(sh);" to the bottom of
the function.
Signed-off-by: Wentao_Liang <Wentao_Liang_g@163.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/md/raid5.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index b58984ddca13..19e497a7e747 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2864,10 +2864,10 @@ static void raid5_end_write_request(struct bio *bi)
if (!test_and_clear_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags))
clear_bit(R5_LOCKED, &sh->dev[i].flags);
set_bit(STRIPE_HANDLE, &sh->state);
- raid5_release_stripe(sh);
if (sh->batch_head && sh != sh->batch_head)
raid5_release_stripe(sh->batch_head);
+ raid5_release_stripe(sh);
}
static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 204/244] ext4: avoid remove directory when directory is corrupted
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (202 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 203/244] drivers:md:fix a potential use-after-free bug Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 205/244] ext4: avoid resizing to a partial cluster size Greg Kroah-Hartman
` (41 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ye Bin, Jan Kara, Theodore Tso, Sasha Levin
From: Ye Bin <yebin10@huawei.com>
[ Upstream commit b24e77ef1c6d4dbf42749ad4903c97539cc9755a ]
Now if check directoy entry is corrupted, ext4_empty_dir may return true
then directory will be removed when file system mounted with "errors=continue".
In order not to make things worse just return false when directory is corrupted.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220622090223.682234-1-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/ext4/namei.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5821638cb893..7d3ec39121f7 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3090,11 +3090,8 @@ bool ext4_empty_dir(struct inode *inode)
de = (struct ext4_dir_entry_2 *) (bh->b_data +
(offset & (sb->s_blocksize - 1)));
if (ext4_check_dir_entry(inode, NULL, de, bh,
- bh->b_data, bh->b_size, offset)) {
- offset = (offset | (sb->s_blocksize - 1)) + 1;
- continue;
- }
- if (le32_to_cpu(de->inode)) {
+ bh->b_data, bh->b_size, offset) ||
+ le32_to_cpu(de->inode)) {
brelse(bh);
return false;
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 205/244] ext4: avoid resizing to a partial cluster size
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (203 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 204/244] ext4: avoid remove directory when directory is corrupted Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 206/244] lib/list_debug.c: Detect uninitialized lists Greg Kroah-Hartman
` (40 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Oleg Kiselev, Theodore Tso, Sasha Levin
From: Kiselev, Oleg <okiselev@amazon.com>
[ Upstream commit 69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd ]
This patch avoids an attempt to resize the filesystem to an
unaligned cluster boundary. An online resize to a size that is not
integral to cluster size results in the last iteration attempting to
grow the fs by a negative amount, which trips a BUG_ON and leaves the fs
with a corrupted in-memory superblock.
Signed-off-by: Oleg Kiselev <okiselev@amazon.com>
Link: https://lore.kernel.org/r/0E92A0AB-4F16-4F1A-94B7-702CC6504FDE@amazon.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/ext4/resize.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index fa3c854125bb..862cbbc01d6e 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1977,6 +1977,16 @@ int ext4_resize_fs(struct super_block *sb, ext4_fsblk_t n_blocks_count)
}
brelse(bh);
+ /*
+ * For bigalloc, trim the requested size to the nearest cluster
+ * boundary to avoid creating an unusable filesystem. We do this
+ * silently, instead of returning an error, to avoid breaking
+ * callers that blindly resize the filesystem to the full size of
+ * the underlying block device.
+ */
+ if (ext4_has_feature_bigalloc(sb))
+ n_blocks_count &= ~((1 << EXT4_CLUSTER_BITS(sb)) - 1);
+
retry:
o_blocks_count = ext4_blocks_count(es);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 206/244] lib/list_debug.c: Detect uninitialized lists
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (204 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 205/244] ext4: avoid resizing to a partial cluster size Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 207/244] tty: serial: Fix refcount leak bug in ucc_uart.c Greg Kroah-Hartman
` (39 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guenter Roeck, Steven Rostedt,
Andrew Morton, Sasha Levin
From: Guenter Roeck <linux@roeck-us.net>
[ Upstream commit 0cc011c576aaa4de505046f7a6c90933d7c749a9 ]
In some circumstances, attempts are made to add entries to or to remove
entries from an uninitialized list. A prime example is
amdgpu_bo_vm_destroy(): It is indirectly called from
ttm_bo_init_reserved() if that function fails, and tries to remove an
entry from a list. However, that list is only initialized in
amdgpu_bo_create_vm() after the call to ttm_bo_init_reserved() returned
success. This results in crashes such as
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 PID: 1479 Comm: chrome Not tainted 5.10.110-15768-g29a72e65dae5
Hardware name: Google Grunt/Grunt, BIOS Google_Grunt.11031.149.0 07/15/2020
RIP: 0010:__list_del_entry_valid+0x26/0x7d
...
Call Trace:
amdgpu_bo_vm_destroy+0x48/0x8b
ttm_bo_init_reserved+0x1d7/0x1e0
amdgpu_bo_create+0x212/0x476
? amdgpu_bo_user_destroy+0x23/0x23
? kmem_cache_alloc+0x60/0x271
amdgpu_bo_create_vm+0x40/0x7d
amdgpu_vm_pt_create+0xe8/0x24b
...
Check if the list's prev and next pointers are NULL to catch such problems.
Link: https://lkml.kernel.org/r/20220531222951.92073-1-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
lib/list_debug.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 5d5424b51b74..413daa72a3d8 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -20,7 +20,11 @@
bool __list_add_valid(struct list_head *new, struct list_head *prev,
struct list_head *next)
{
- if (CHECK_DATA_CORRUPTION(next->prev != prev,
+ if (CHECK_DATA_CORRUPTION(prev == NULL,
+ "list_add corruption. prev is NULL.\n") ||
+ CHECK_DATA_CORRUPTION(next == NULL,
+ "list_add corruption. next is NULL.\n") ||
+ CHECK_DATA_CORRUPTION(next->prev != prev,
"list_add corruption. next->prev should be prev (%px), but was %px. (next=%px).\n",
prev, next->prev, next) ||
CHECK_DATA_CORRUPTION(prev->next != next,
@@ -42,7 +46,11 @@ bool __list_del_entry_valid(struct list_head *entry)
prev = entry->prev;
next = entry->next;
- if (CHECK_DATA_CORRUPTION(next == LIST_POISON1,
+ if (CHECK_DATA_CORRUPTION(next == NULL,
+ "list_del corruption, %px->next is NULL\n", entry) ||
+ CHECK_DATA_CORRUPTION(prev == NULL,
+ "list_del corruption, %px->prev is NULL\n", entry) ||
+ CHECK_DATA_CORRUPTION(next == LIST_POISON1,
"list_del corruption, %px->next is LIST_POISON1 (%px)\n",
entry, LIST_POISON1) ||
CHECK_DATA_CORRUPTION(prev == LIST_POISON2,
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 207/244] tty: serial: Fix refcount leak bug in ucc_uart.c
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (205 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 206/244] lib/list_debug.c: Detect uninitialized lists Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 208/244] KVM: PPC: Book3S HV: Fix "rm_exit" entry in debugfs timings Greg Kroah-Hartman
` (38 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Timur Tabi, Liang He, Sasha Levin
From: Liang He <windhl@126.com>
[ Upstream commit d24d7bb2cd947676f9b71fb944d045e09b8b282f ]
In soc_info(), of_find_node_by_type() will return a node pointer
with refcount incremented. We should use of_node_put() when it is
not used anymore.
Acked-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220618060850.4058525-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/tty/serial/ucc_uart.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 6000853973c1..3cc9ef08455c 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -1137,6 +1137,8 @@ static unsigned int soc_info(unsigned int *rev_h, unsigned int *rev_l)
/* No compatible property, so try the name. */
soc_string = np->name;
+ of_node_put(np);
+
/* Extract the SOC number from the "PowerPC," string */
if ((sscanf(soc_string, "PowerPC,%u", &soc) != 1) || !soc)
return 0;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 208/244] KVM: PPC: Book3S HV: Fix "rm_exit" entry in debugfs timings
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (206 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 207/244] tty: serial: Fix refcount leak bug in ucc_uart.c Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 209/244] vfio: Clear the caps->buf to NULL after free Greg Kroah-Hartman
` (37 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Fabiano Rosas, Michael Ellerman, Sasha Levin
From: Fabiano Rosas <farosas@linux.ibm.com>
[ Upstream commit 9981bace85d816ed8724ac46e49285e8488d29e6 ]
At debugfs/kvm/<pid>/vcpu0/timings we show how long each part of the
code takes to run:
$ cat /sys/kernel/debug/kvm/*-*/vcpu0/timings
rm_entry: 123785 49398892 118 4898
rm_intr: 123780 6075890 22 390
rm_exit: 0 0 0 0 <-- NOK
guest: 123780 46732919988 402 9997638
cede: 0 0 0 0 <-- OK, no cede napping in P9
The "rm_exit" is always showing zero because it is the last one and
end_timing does not increment the counter of the previous entry.
We can fix it by calling accumulate_time again instead of
end_timing. That way the counter gets incremented. The rest of the
arithmetic can be ignored because there are no timing points after
this and the accumulators are reset before the next round.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220525130554.2614394-2-farosas@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/kvm/book3s_hv_p9_entry.c | 13 ++-----------
1 file changed, 2 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv_p9_entry.c b/arch/powerpc/kvm/book3s_hv_p9_entry.c
index 961b3d70483c..a0e0c28408c0 100644
--- a/arch/powerpc/kvm/book3s_hv_p9_entry.c
+++ b/arch/powerpc/kvm/book3s_hv_p9_entry.c
@@ -7,15 +7,6 @@
#include <asm/ppc-opcode.h>
#ifdef CONFIG_KVM_BOOK3S_HV_EXIT_TIMING
-static void __start_timing(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator *next)
-{
- struct kvmppc_vcore *vc = vcpu->arch.vcore;
- u64 tb = mftb() - vc->tb_offset_applied;
-
- vcpu->arch.cur_activity = next;
- vcpu->arch.cur_tb_start = tb;
-}
-
static void __accumulate_time(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator *next)
{
struct kvmppc_vcore *vc = vcpu->arch.vcore;
@@ -47,8 +38,8 @@ static void __accumulate_time(struct kvm_vcpu *vcpu, struct kvmhv_tb_accumulator
curr->seqcount = seq + 2;
}
-#define start_timing(vcpu, next) __start_timing(vcpu, next)
-#define end_timing(vcpu) __start_timing(vcpu, NULL)
+#define start_timing(vcpu, next) __accumulate_time(vcpu, next)
+#define end_timing(vcpu) __accumulate_time(vcpu, NULL)
#define accumulate_time(vcpu, next) __accumulate_time(vcpu, next)
#else
#define start_timing(vcpu, next) do {} while (0)
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 209/244] vfio: Clear the caps->buf to NULL after free
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (207 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 208/244] KVM: PPC: Book3S HV: Fix "rm_exit" entry in debugfs timings Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 210/244] mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start Greg Kroah-Hartman
` (36 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Schspa Shi, Cornelia Huck,
Alex Williamson, Sasha Levin
From: Schspa Shi <schspa@gmail.com>
[ Upstream commit 6641085e8d7b3f061911517f79a2a15a0a21b97b ]
On buffer resize failure, vfio_info_cap_add() will free the buffer,
report zero for the size, and return -ENOMEM. As additional
hardening, also clear the buffer pointer to prevent any chance of a
double free.
Signed-off-by: Schspa Shi <schspa@gmail.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Link: https://lore.kernel.org/r/20220629022948.55608-1-schspa@gmail.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/vfio/vfio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 3c034fe14ccb..818e47fc0896 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1850,6 +1850,7 @@ struct vfio_info_cap_header *vfio_info_cap_add(struct vfio_info_cap *caps,
buf = krealloc(caps->buf, caps->size + size, GFP_KERNEL);
if (!buf) {
kfree(caps->buf);
+ caps->buf = NULL;
caps->size = 0;
return ERR_PTR(-ENOMEM);
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 210/244] mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (208 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 209/244] vfio: Clear the caps->buf to NULL after free Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 211/244] iommu/io-pgtable-arm-v7s: Add a quirk to allow pgtable PA up to 35bit Greg Kroah-Hartman
` (35 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Liang He, Thomas Bogendoerfer, Sasha Levin
From: Liang He <windhl@126.com>
[ Upstream commit 7a9f743ceead60ed454c46fbc3085ee9a79cbebb ]
We should call of_node_put() for the reference 'uctl_node' returned by
of_get_parent() which will increase the refcount. Otherwise, there will
be a refcount leak bug.
Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/mips/cavium-octeon/octeon-platform.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index a994022e32c9..ce05c0dd3acd 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -86,11 +86,12 @@ static void octeon2_usb_clocks_start(struct device *dev)
"refclk-frequency", &clock_rate);
if (i) {
dev_err(dev, "No UCTL \"refclk-frequency\"\n");
+ of_node_put(uctl_node);
goto exit;
}
i = of_property_read_string(uctl_node,
"refclk-type", &clock_type);
-
+ of_node_put(uctl_node);
if (!i && strcmp("crystal", clock_type) == 0)
is_crystal_clock = true;
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 211/244] iommu/io-pgtable-arm-v7s: Add a quirk to allow pgtable PA up to 35bit
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (209 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 210/244] mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 212/244] modules: Ensure natural alignment for .altinstructions and __bug_table sections Greg Kroah-Hartman
` (34 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ning Li, Yunfei Wang, Robin Murphy,
Will Deacon, Joerg Roedel, Sasha Levin
From: Yunfei Wang <yf.wang@mediatek.com>
[ Upstream commit bfdd231374181254742c5e2faef0bef2d30c0ee4 ]
Single memory zone feature will remove ZONE_DMA32 and ZONE_DMA and
cause pgtable PA size larger than 32bit.
Since Mediatek IOMMU hardware support at most 35bit PA in pgtable,
so add a quirk to allow the PA of pgtables support up to bit35.
Signed-off-by: Ning Li <ning.li@mediatek.com>
Signed-off-by: Yunfei Wang <yf.wang@mediatek.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220630092927.24925-2-yf.wang@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/iommu/io-pgtable-arm-v7s.c | 75 ++++++++++++++++++++++--------
include/linux/io-pgtable.h | 15 ++++--
2 files changed, 66 insertions(+), 24 deletions(-)
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index be066c1503d3..ba3115fd0f86 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -182,14 +182,8 @@ static bool arm_v7s_is_mtk_enabled(struct io_pgtable_cfg *cfg)
(cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_EXT);
}
-static arm_v7s_iopte paddr_to_iopte(phys_addr_t paddr, int lvl,
- struct io_pgtable_cfg *cfg)
+static arm_v7s_iopte to_mtk_iopte(phys_addr_t paddr, arm_v7s_iopte pte)
{
- arm_v7s_iopte pte = paddr & ARM_V7S_LVL_MASK(lvl);
-
- if (!arm_v7s_is_mtk_enabled(cfg))
- return pte;
-
if (paddr & BIT_ULL(32))
pte |= ARM_V7S_ATTR_MTK_PA_BIT32;
if (paddr & BIT_ULL(33))
@@ -199,6 +193,17 @@ static arm_v7s_iopte paddr_to_iopte(phys_addr_t paddr, int lvl,
return pte;
}
+static arm_v7s_iopte paddr_to_iopte(phys_addr_t paddr, int lvl,
+ struct io_pgtable_cfg *cfg)
+{
+ arm_v7s_iopte pte = paddr & ARM_V7S_LVL_MASK(lvl);
+
+ if (arm_v7s_is_mtk_enabled(cfg))
+ return to_mtk_iopte(paddr, pte);
+
+ return pte;
+}
+
static phys_addr_t iopte_to_paddr(arm_v7s_iopte pte, int lvl,
struct io_pgtable_cfg *cfg)
{
@@ -240,10 +245,17 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
dma_addr_t dma;
size_t size = ARM_V7S_TABLE_SIZE(lvl, cfg);
void *table = NULL;
+ gfp_t gfp_l1;
+
+ /*
+ * ARM_MTK_TTBR_EXT extend the translation table base support larger
+ * memory address.
+ */
+ gfp_l1 = cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT ?
+ GFP_KERNEL : ARM_V7S_TABLE_GFP_DMA;
if (lvl == 1)
- table = (void *)__get_free_pages(
- __GFP_ZERO | ARM_V7S_TABLE_GFP_DMA, get_order(size));
+ table = (void *)__get_free_pages(gfp_l1 | __GFP_ZERO, get_order(size));
else if (lvl == 2)
table = kmem_cache_zalloc(data->l2_tables, gfp);
@@ -251,7 +263,8 @@ static void *__arm_v7s_alloc_table(int lvl, gfp_t gfp,
return NULL;
phys = virt_to_phys(table);
- if (phys != (arm_v7s_iopte)phys) {
+ if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT ?
+ phys >= (1ULL << cfg->oas) : phys != (arm_v7s_iopte)phys) {
/* Doesn't fit in PTE */
dev_err(dev, "Page table does not fit in PTE: %pa", &phys);
goto out_free;
@@ -457,9 +470,14 @@ static arm_v7s_iopte arm_v7s_install_table(arm_v7s_iopte *table,
arm_v7s_iopte curr,
struct io_pgtable_cfg *cfg)
{
+ phys_addr_t phys = virt_to_phys(table);
arm_v7s_iopte old, new;
- new = virt_to_phys(table) | ARM_V7S_PTE_TYPE_TABLE;
+ new = phys | ARM_V7S_PTE_TYPE_TABLE;
+
+ if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT)
+ new = to_mtk_iopte(phys, new);
+
if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS)
new |= ARM_V7S_ATTR_NS_TABLE;
@@ -779,6 +797,8 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
void *cookie)
{
struct arm_v7s_io_pgtable *data;
+ slab_flags_t slab_flag;
+ phys_addr_t paddr;
if (cfg->ias > (arm_v7s_is_mtk_enabled(cfg) ? 34 : ARM_V7S_ADDR_BITS))
return NULL;
@@ -788,7 +808,8 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
IO_PGTABLE_QUIRK_NO_PERMS |
- IO_PGTABLE_QUIRK_ARM_MTK_EXT))
+ IO_PGTABLE_QUIRK_ARM_MTK_EXT |
+ IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT))
return NULL;
/* If ARM_MTK_4GB is enabled, the NO_PERMS is also expected. */
@@ -796,15 +817,27 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
!(cfg->quirks & IO_PGTABLE_QUIRK_NO_PERMS))
return NULL;
+ if ((cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT) &&
+ !arm_v7s_is_mtk_enabled(cfg))
+ return NULL;
+
data = kmalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return NULL;
spin_lock_init(&data->split_lock);
+
+ /*
+ * ARM_MTK_TTBR_EXT extend the translation table base support larger
+ * memory address.
+ */
+ slab_flag = cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT ?
+ 0 : ARM_V7S_TABLE_SLAB_FLAGS;
+
data->l2_tables = kmem_cache_create("io-pgtable_armv7s_l2",
ARM_V7S_TABLE_SIZE(2, cfg),
ARM_V7S_TABLE_SIZE(2, cfg),
- ARM_V7S_TABLE_SLAB_FLAGS, NULL);
+ slab_flag, NULL);
if (!data->l2_tables)
goto out_free_data;
@@ -850,12 +883,16 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
wmb();
/* TTBR */
- cfg->arm_v7s_cfg.ttbr = virt_to_phys(data->pgd) | ARM_V7S_TTBR_S |
- (cfg->coherent_walk ? (ARM_V7S_TTBR_NOS |
- ARM_V7S_TTBR_IRGN_ATTR(ARM_V7S_RGN_WBWA) |
- ARM_V7S_TTBR_ORGN_ATTR(ARM_V7S_RGN_WBWA)) :
- (ARM_V7S_TTBR_IRGN_ATTR(ARM_V7S_RGN_NC) |
- ARM_V7S_TTBR_ORGN_ATTR(ARM_V7S_RGN_NC)));
+ paddr = virt_to_phys(data->pgd);
+ if (arm_v7s_is_mtk_enabled(cfg))
+ cfg->arm_v7s_cfg.ttbr = paddr | upper_32_bits(paddr);
+ else
+ cfg->arm_v7s_cfg.ttbr = paddr | ARM_V7S_TTBR_S |
+ (cfg->coherent_walk ? (ARM_V7S_TTBR_NOS |
+ ARM_V7S_TTBR_IRGN_ATTR(ARM_V7S_RGN_WBWA) |
+ ARM_V7S_TTBR_ORGN_ATTR(ARM_V7S_RGN_WBWA)) :
+ (ARM_V7S_TTBR_IRGN_ATTR(ARM_V7S_RGN_NC) |
+ ARM_V7S_TTBR_ORGN_ATTR(ARM_V7S_RGN_NC)));
return &data->iop;
out_free_data:
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 86af6f0a00a2..ca98aeadcc80 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -74,17 +74,22 @@ struct io_pgtable_cfg {
* to support up to 35 bits PA where the bit32, bit33 and bit34 are
* encoded in the bit9, bit4 and bit5 of the PTE respectively.
*
+ * IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT: (ARM v7s format) MediaTek IOMMUs
+ * extend the translation table base support up to 35 bits PA, the
+ * encoding format is same with IO_PGTABLE_QUIRK_ARM_MTK_EXT.
+ *
* IO_PGTABLE_QUIRK_ARM_TTBR1: (ARM LPAE format) Configure the table
* for use in the upper half of a split address space.
*
* IO_PGTABLE_QUIRK_ARM_OUTER_WBWA: Override the outer-cacheability
* attributes set in the TCR for a non-coherent page-table walker.
*/
- #define IO_PGTABLE_QUIRK_ARM_NS BIT(0)
- #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1)
- #define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3)
- #define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5)
- #define IO_PGTABLE_QUIRK_ARM_OUTER_WBWA BIT(6)
+ #define IO_PGTABLE_QUIRK_ARM_NS BIT(0)
+ #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1)
+ #define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3)
+ #define IO_PGTABLE_QUIRK_ARM_MTK_TTBR_EXT BIT(4)
+ #define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5)
+ #define IO_PGTABLE_QUIRK_ARM_OUTER_WBWA BIT(6)
unsigned long quirks;
unsigned long pgsize_bitmap;
unsigned int ias;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 212/244] modules: Ensure natural alignment for .altinstructions and __bug_table sections
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (210 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 211/244] iommu/io-pgtable-arm-v7s: Add a quirk to allow pgtable PA up to 35bit Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 213/244] ASoC: rsnd: care default case on rsnd_ssiu_busif_err_irq_ctrl() Greg Kroah-Hartman
` (33 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Helge Deller, Luis Chamberlain, Sasha Levin
From: Helge Deller <deller@gmx.de>
[ Upstream commit 87c482bdfa79f378297d92af49cdf265be199df5 ]
In the kernel image vmlinux.lds.S linker scripts the .altinstructions
and __bug_table sections are 4- or 8-byte aligned because they hold 32-
and/or 64-bit values.
Most architectures use altinstructions and BUG() or WARN() in modules as
well, but in the module linker script (module.lds.S) those sections are
currently missing. As consequence the linker will store their content
byte-aligned by default, which then can lead to unnecessary unaligned
memory accesses by the CPU when those tables are processed at runtime.
Usually unaligned memory accesses are unnoticed, because either the
hardware (as on x86 CPUs) or in-kernel exception handlers (e.g. on
parisc or sparc) emulate and fix them up at runtime. Nevertheless, such
unaligned accesses introduce a performance penalty and can even crash
the kernel if there is a bug in the unalignment exception handlers
(which happened once to me on the parisc architecture and which is why I
noticed that issue at all).
This patch fixes a non-critical issue and might be backported at any time.
It's trivial and shouldn't introduce any regression because it simply
tells the linker to use a different (8-byte alignment) for those
sections by default.
Signed-off-by: Helge Deller <deller@gmx.de>
Link: https://lore.kernel.org/all/Yr8%2Fgr8e8I7tVX4d@p100/
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
scripts/module.lds.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index 1d0e1e4dc3d2..3a3aa2354ed8 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -27,6 +27,8 @@ SECTIONS {
.ctors 0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
.init_array 0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
+ .altinstructions 0 : ALIGN(8) { KEEP(*(.altinstructions)) }
+ __bug_table 0 : ALIGN(8) { KEEP(*(__bug_table)) }
__jump_table 0 : ALIGN(8) { KEEP(*(__jump_table)) }
__patchable_function_entries : { *(__patchable_function_entries) }
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 213/244] ASoC: rsnd: care default case on rsnd_ssiu_busif_err_irq_ctrl()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (211 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 212/244] modules: Ensure natural alignment for .altinstructions and __bug_table sections Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 214/244] riscv: dts: sifive: Add fu540 topology information Greg Kroah-Hartman
` (32 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Nguyen Bao Nguyen,
Nishiyama Kunihiko, Kuninori Morimoto, Mark Brown, Sasha Levin
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[ Upstream commit ef30911d3c39fd57884c348c29b9cbff88def155 ]
Before, ssiu.c didn't care SSI5-8, thus,
commit b1384d4c95088d0 ("ASoC: rsnd: care default case on
rsnd_ssiu_busif_err_status_clear()") cares it for status clear.
But we should care it for error irq handling, too.
This patch cares it.
Reported-by: Nguyen Bao Nguyen <nguyen.nguyen.yj@renesas.com>
Reported-by: Nishiyama Kunihiko <kunihiko.nishiyama.dn@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/871quocio1.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/soc/sh/rcar/ssiu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
index 4b8a63e336c7..d7f4646ee029 100644
--- a/sound/soc/sh/rcar/ssiu.c
+++ b/sound/soc/sh/rcar/ssiu.c
@@ -67,6 +67,8 @@ static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable)
shift = 1;
offset = 1;
break;
+ default:
+ return;
}
for (i = 0; i < 4; i++) {
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 214/244] riscv: dts: sifive: Add fu540 topology information
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (212 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 213/244] ASoC: rsnd: care default case on rsnd_ssiu_busif_err_irq_ctrl() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 215/244] riscv: dts: sifive: Add fu740 " Greg Kroah-Hartman
` (31 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Brice Goglin, Conor Dooley,
Palmer Dabbelt, Sasha Levin
From: Conor Dooley <conor.dooley@microchip.com>
[ Upstream commit af8f260abc608c06e4466a282b53f1e2dc09f042 ]
The fu540 has no cpu-map node, so tools like hwloc cannot correctly
parse the topology. Add the node using the existing node labels.
Reported-by: Brice Goglin <Brice.Goglin@inria.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-3-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
index 64c06c9b41dc..87d6e5a4253f 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -133,6 +133,30 @@
interrupt-controller;
};
};
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+
+ core2 {
+ cpu = <&cpu2>;
+ };
+
+ core3 {
+ cpu = <&cpu3>;
+ };
+
+ core4 {
+ cpu = <&cpu4>;
+ };
+ };
+ };
};
soc {
#address-cells = <2>;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 215/244] riscv: dts: sifive: Add fu740 topology information
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (213 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 214/244] riscv: dts: sifive: Add fu540 topology information Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 216/244] riscv: dts: canaan: Add k210 " Greg Kroah-Hartman
` (30 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Brice Goglin, Conor Dooley,
Palmer Dabbelt, Sasha Levin
From: Conor Dooley <conor.dooley@microchip.com>
[ Upstream commit bf6cd1c01c959a31002dfa6784c0d8caffed4cf1 ]
The fu740 has no cpu-map node, so tools like hwloc cannot correctly
parse the topology. Add the node using the existing node labels.
Reported-by: Brice Goglin <Brice.Goglin@inria.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-4-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
index abbb960f90a0..454079a69ab4 100644
--- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -134,6 +134,30 @@
interrupt-controller;
};
};
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+
+ core2 {
+ cpu = <&cpu2>;
+ };
+
+ core3 {
+ cpu = <&cpu3>;
+ };
+
+ core4 {
+ cpu = <&cpu4>;
+ };
+ };
+ };
};
soc {
#address-cells = <2>;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 216/244] riscv: dts: canaan: Add k210 topology information
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (214 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 215/244] riscv: dts: sifive: Add fu740 " Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 217/244] riscv: mmap with PROT_WRITE but no PROT_READ is invalid Greg Kroah-Hartman
` (29 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Brice Goglin, Conor Dooley,
Damien Le Moal, Palmer Dabbelt, Sasha Levin
From: Conor Dooley <conor.dooley@microchip.com>
[ Upstream commit d9d193dea8666bbf69fc21c5bdcdabaa34a466e3 ]
The k210 has no cpu-map node, so tools like hwloc cannot correctly
parse the topology. Add the node using the existing node labels.
Reported-by: Brice Goglin <Brice.Goglin@inria.fr>
Link: https://github.com/open-mpi/hwloc/issues/536
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Link: https://lore.kernel.org/r/20220705190435.1790466-6-mail@conchuod.ie
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/riscv/boot/dts/canaan/k210.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index 780416d489aa..fa9162e3afa3 100644
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -65,6 +65,18 @@
compatible = "riscv,cpu-intc";
};
};
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+
+ core1 {
+ cpu = <&cpu1>;
+ };
+ };
+ };
};
sram: memory@80000000 {
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 217/244] riscv: mmap with PROT_WRITE but no PROT_READ is invalid
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (215 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 216/244] riscv: dts: canaan: Add k210 " Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 218/244] RISC-V: Add fast call path of crash_kexec() Greg Kroah-Hartman
` (28 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, xctan, dram, Ruizhe Pan, Celeste Liu,
Palmer Dabbelt, Sasha Levin
From: Celeste Liu <coelacanthus@outlook.com>
[ Upstream commit 2139619bcad7ac44cc8f6f749089120594056613 ]
As mentioned in Table 4.5 in RISC-V spec Volume 2 Section 4.3, write
but not read is "Reserved for future use.". For now, they are not valid.
In the current code, -wx is marked as invalid, but -w- is not marked
as invalid.
This patch refines that judgment.
Reported-by: xctan <xc-tan@outlook.com>
Co-developed-by: dram <dramforever@live.com>
Signed-off-by: dram <dramforever@live.com>
Co-developed-by: Ruizhe Pan <c141028@gmail.com>
Signed-off-by: Ruizhe Pan <c141028@gmail.com>
Signed-off-by: Celeste Liu <coelacanthus@outlook.com>
Link: https://lore.kernel.org/r/PH7PR14MB559464DBDD310E755F5B21E8CEDC9@PH7PR14MB5594.namprd14.prod.outlook.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/riscv/kernel/sys_riscv.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/kernel/sys_riscv.c b/arch/riscv/kernel/sys_riscv.c
index 12f8a7fce78b..8a7880b9c433 100644
--- a/arch/riscv/kernel/sys_riscv.c
+++ b/arch/riscv/kernel/sys_riscv.c
@@ -18,9 +18,8 @@ static long riscv_sys_mmap(unsigned long addr, unsigned long len,
if (unlikely(offset & (~PAGE_MASK >> page_shift_offset)))
return -EINVAL;
- if ((prot & PROT_WRITE) && (prot & PROT_EXEC))
- if (unlikely(!(prot & PROT_READ)))
- return -EINVAL;
+ if (unlikely((prot & PROT_WRITE) && !(prot & PROT_READ)))
+ return -EINVAL;
return ksys_mmap_pgoff(addr, len, prot, flags, fd,
offset >> (PAGE_SHIFT - page_shift_offset));
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 218/244] RISC-V: Add fast call path of crash_kexec()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (216 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 217/244] riscv: mmap with PROT_WRITE but no PROT_READ is invalid Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 219/244] watchdog: export lockup_detector_reconfigure Greg Kroah-Hartman
` (27 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Guo Ren, Xianting Tian,
Palmer Dabbelt, Sasha Levin
From: Xianting Tian <xianting.tian@linux.alibaba.com>
[ Upstream commit 3f1901110a89b0e2e13adb2ac8d1a7102879ea98 ]
Currently, almost all archs (x86, arm64, mips...) support fast call
of crash_kexec() when "regs && kexec_should_crash()" is true. But
RISC-V not, it can only enter crash system via panic(). However panic()
doesn't pass the regs of the real accident scene to crash_kexec(),
it caused we can't get accurate backtrace via gdb,
$ riscv64-linux-gnu-gdb vmlinux vmcore
Reading symbols from vmlinux...
[New LWP 95]
#0 console_unlock () at kernel/printk/printk.c:2557
2557 if (do_cond_resched)
(gdb) bt
#0 console_unlock () at kernel/printk/printk.c:2557
#1 0x0000000000000000 in ?? ()
With the patch we can get the accurate backtrace,
$ riscv64-linux-gnu-gdb vmlinux vmcore
Reading symbols from vmlinux...
[New LWP 95]
#0 0xffffffe00063a4e0 in test_thread (data=<optimized out>) at drivers/test_crash.c:81
81 *(int *)p = 0xdead;
(gdb)
(gdb) bt
#0 0xffffffe00064d5c0 in test_thread (data=<optimized out>) at drivers/test_crash.c:81
#1 0x0000000000000000 in ?? ()
Test code to produce NULL address dereference in test_crash.c,
void *p = NULL;
*(int *)p = 0xdead;
Reviewed-by: Guo Ren <guoren@kernel.org>
Tested-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220606082308.2883458-1-xianting.tian@linux.alibaba.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/riscv/kernel/traps.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 0daaa3e4630d..b938ffe129d6 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -16,6 +16,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/irq.h>
+#include <linux/kexec.h>
#include <asm/asm-prototypes.h>
#include <asm/bug.h>
@@ -44,6 +45,9 @@ void die(struct pt_regs *regs, const char *str)
ret = notify_die(DIE_OOPS, str, regs, 0, regs->cause, SIGSEGV);
+ if (regs && kexec_should_crash(current))
+ crash_kexec(regs);
+
bust_spinlocks(0);
add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
spin_unlock_irq(&die_lock);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 219/244] watchdog: export lockup_detector_reconfigure
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (217 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 218/244] RISC-V: Add fast call path of crash_kexec() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 220/244] powerpc/32: Set an IBAT covering up to _einittext during init Greg Kroah-Hartman
` (26 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Laurent Dufour, Michael Ellerman,
Sasha Levin
From: Laurent Dufour <ldufour@linux.ibm.com>
[ Upstream commit 7c56a8733d0a2a4be2438a7512566e5ce552fccf ]
In some circumstances it may be interesting to reconfigure the watchdog
from inside the kernel.
On PowerPC, this may helpful before and after a LPAR migration (LPM) is
initiated, because it implies some latencies, watchdog, and especially NMI
watchdog is expected to be triggered during this operation. Reconfiguring
the watchdog with a factor, would prevent it to happen too frequently
during LPM.
Rename lockup_detector_reconfigure() as __lockup_detector_reconfigure() and
create a new function lockup_detector_reconfigure() calling
__lockup_detector_reconfigure() under the protection of watchdog_mutex.
Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
[mpe: Squash in build fix from Laurent, reported by Sachin]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220713154729.80789-3-ldufour@linux.ibm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/linux/nmi.h | 2 ++
kernel/watchdog.c | 21 ++++++++++++++++-----
2 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 750c7f395ca9..f700ff2df074 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -122,6 +122,8 @@ int watchdog_nmi_probe(void);
int watchdog_nmi_enable(unsigned int cpu);
void watchdog_nmi_disable(unsigned int cpu);
+void lockup_detector_reconfigure(void);
+
/**
* touch_nmi_watchdog - restart NMI watchdog timeout.
*
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index ad912511a0c0..1cfa269bd448 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -537,7 +537,7 @@ int lockup_detector_offline_cpu(unsigned int cpu)
return 0;
}
-static void lockup_detector_reconfigure(void)
+static void __lockup_detector_reconfigure(void)
{
cpus_read_lock();
watchdog_nmi_stop();
@@ -557,6 +557,13 @@ static void lockup_detector_reconfigure(void)
__lockup_detector_cleanup();
}
+void lockup_detector_reconfigure(void)
+{
+ mutex_lock(&watchdog_mutex);
+ __lockup_detector_reconfigure();
+ mutex_unlock(&watchdog_mutex);
+}
+
/*
* Create the watchdog infrastructure and configure the detector(s).
*/
@@ -573,13 +580,13 @@ static __init void lockup_detector_setup(void)
return;
mutex_lock(&watchdog_mutex);
- lockup_detector_reconfigure();
+ __lockup_detector_reconfigure();
softlockup_initialized = true;
mutex_unlock(&watchdog_mutex);
}
#else /* CONFIG_SOFTLOCKUP_DETECTOR */
-static void lockup_detector_reconfigure(void)
+static void __lockup_detector_reconfigure(void)
{
cpus_read_lock();
watchdog_nmi_stop();
@@ -587,9 +594,13 @@ static void lockup_detector_reconfigure(void)
watchdog_nmi_start();
cpus_read_unlock();
}
+void lockup_detector_reconfigure(void)
+{
+ __lockup_detector_reconfigure();
+}
static inline void lockup_detector_setup(void)
{
- lockup_detector_reconfigure();
+ __lockup_detector_reconfigure();
}
#endif /* !CONFIG_SOFTLOCKUP_DETECTOR */
@@ -629,7 +640,7 @@ static void proc_watchdog_update(void)
{
/* Remove impossible cpus to keep sysctl output clean. */
cpumask_and(&watchdog_cpumask, &watchdog_cpumask, cpu_possible_mask);
- lockup_detector_reconfigure();
+ __lockup_detector_reconfigure();
}
/*
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 220/244] powerpc/32: Set an IBAT covering up to _einittext during init
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (218 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 219/244] watchdog: export lockup_detector_reconfigure Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 221/244] powerpc/32: Dont always pass -mcpu=powerpc to the compiler Greg Kroah-Hartman
` (25 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Maxime Bizon, Christophe Leroy,
Michael Ellerman, Sasha Levin
From: Christophe Leroy <christophe.leroy@csgroup.eu>
[ Upstream commit 2a0fb3c155c97c75176e557d61f8e66c1bd9b735 ]
Always set an IBAT covering up to _einittext during init because when
CONFIG_MODULES is not selected there is no reason to have an exception
handler for kernel instruction TLB misses.
It implies DBAT and IBAT are now totaly independent, IBATs are set
by setibat() and DBAT by setbat().
This allows to revert commit 9bb162fa26ed ("powerpc/603: Fix
boot failure with DEBUG_PAGEALLOC and KFENCE")
Reported-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ce7f04a39593934d9b1ee68c69144ccd3d4da4a1.1655202804.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/kernel/head_book3s_32.S | 4 ++--
arch/powerpc/mm/book3s32/mmu.c | 10 ++++------
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index 2e2a8211b17b..68e5c0a7e99d 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -421,14 +421,14 @@ InstructionTLBMiss:
*/
/* Get PTE (linux-style) and check access */
mfspr r3,SPRN_IMISS
-#if defined(CONFIG_MODULES) || defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
+#ifdef CONFIG_MODULES
lis r1, TASK_SIZE@h /* check if kernel address */
cmplw 0,r1,r3
#endif
mfspr r2, SPRN_SDR1
li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC | _PAGE_USER
rlwinm r2, r2, 28, 0xfffff000
-#if defined(CONFIG_MODULES) || defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
+#ifdef CONFIG_MODULES
bgt- 112f
lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */
li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 203735caf691..bfca0afe9112 100644
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -160,7 +160,10 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top)
{
unsigned long done;
unsigned long border = (unsigned long)__init_begin - PAGE_OFFSET;
+ unsigned long size;
+ size = roundup_pow_of_two((unsigned long)_einittext - PAGE_OFFSET);
+ setibat(0, PAGE_OFFSET, 0, size, PAGE_KERNEL_X);
if (debug_pagealloc_enabled_or_kfence() || __map_without_bats) {
pr_debug_once("Read-Write memory mapped without BATs\n");
@@ -246,10 +249,9 @@ void mmu_mark_rodata_ro(void)
}
/*
- * Set up one of the I/D BAT (block address translation) register pairs.
+ * Set up one of the D BAT (block address translation) register pairs.
* The parameters are not checked; in particular size must be a power
* of 2 between 128k and 256M.
- * On 603+, only set IBAT when _PAGE_EXEC is set
*/
void __init setbat(int index, unsigned long virt, phys_addr_t phys,
unsigned int size, pgprot_t prot)
@@ -285,10 +287,6 @@ void __init setbat(int index, unsigned long virt, phys_addr_t phys,
/* G bit must be zero in IBATs */
flags &= ~_PAGE_EXEC;
}
- if (flags & _PAGE_EXEC)
- bat[0] = bat[1];
- else
- bat[0].batu = bat[0].batl = 0;
bat_addrs[index].start = virt;
bat_addrs[index].limit = virt + ((bl + 1) << 17) - 1;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 221/244] powerpc/32: Dont always pass -mcpu=powerpc to the compiler
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (219 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 220/244] powerpc/32: Set an IBAT covering up to _einittext during init Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 222/244] ovl: warn if trusted xattr creation fails Greg Kroah-Hartman
` (24 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Pali Rohár, Christophe Leroy,
Arnd Bergmann, Segher Boessenkool, Michael Ellerman, Sasha Levin
From: Christophe Leroy <christophe.leroy@csgroup.eu>
[ Upstream commit 446cda1b21d9a6b3697fe399c6a3a00ff4a285f5 ]
Since commit 4bf4f42a2feb ("powerpc/kbuild: Set default generic
machine type for 32-bit compile"), when building a 32 bits kernel
with a bi-arch version of GCC, or when building a book3s/32 kernel,
the option -mcpu=powerpc is passed to GCC at all time, relying on it
being eventually overriden by a subsequent -mcpu=xxxx.
But when building the same kernel with a 32 bits only version of GCC,
that is not done, relying on gcc being built with the expected default
CPU.
This logic has two problems. First, it is a bit fragile to rely on
whether the GCC version is bi-arch or not, because today we can have
bi-arch versions of GCC configured with a 32 bits default. Second,
there are some versions of GCC which don't support -mcpu=powerpc,
for instance for e500 SPE-only versions.
So, stop relying on this approximative logic and allow the user to
decide whether he/she wants to use the toolchain's default CPU or if
he/she wants to set one, and allow only possible CPUs based on the
selected target.
Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d4df724691351531bf46d685d654689e5dfa0d74.1657549153.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/Makefile | 26 +-------------------------
arch/powerpc/platforms/Kconfig.cputype | 21 ++++++++++++++++++---
2 files changed, 19 insertions(+), 28 deletions(-)
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 72610e2d6176..2bb0fe9b2058 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -17,23 +17,6 @@ HAS_BIARCH := $(call cc-option-yn, -m32)
# Set default 32 bits cross compilers for vdso and boot wrapper
CROSS32_COMPILE ?=
-ifeq ($(HAS_BIARCH),y)
-ifeq ($(CROSS32_COMPILE),)
-ifdef CONFIG_PPC32
-# These options will be overridden by any -mcpu option that the CPU
-# or platform code sets later on the command line, but they are needed
-# to set a sane 32-bit cpu target for the 64-bit cross compiler which
-# may default to the wrong ISA.
-KBUILD_CFLAGS += -mcpu=powerpc
-KBUILD_AFLAGS += -mcpu=powerpc
-endif
-endif
-endif
-
-ifdef CONFIG_PPC_BOOK3S_32
-KBUILD_CFLAGS += -mcpu=powerpc
-endif
-
# If we're on a ppc/ppc64/ppc64le machine use that defconfig, otherwise just use
# ppc64_defconfig because we have nothing better to go on.
uname := $(shell uname -m)
@@ -185,6 +168,7 @@ endif
endif
CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
+AFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
# Altivec option not allowed with e500mc64 in GCC.
ifdef CONFIG_ALTIVEC
@@ -195,14 +179,6 @@ endif
CFLAGS-$(CONFIG_E5500_CPU) += $(E5500_CPU)
CFLAGS-$(CONFIG_E6500_CPU) += $(call cc-option,-mcpu=e6500,$(E5500_CPU))
-ifdef CONFIG_PPC32
-ifdef CONFIG_PPC_E500MC
-CFLAGS-y += $(call cc-option,-mcpu=e500mc,-mcpu=powerpc)
-else
-CFLAGS-$(CONFIG_E500) += $(call cc-option,-mcpu=8540 -msoft-float,-mcpu=powerpc)
-endif
-endif
-
asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1)
KBUILD_CPPFLAGS += -I $(srctree)/arch/$(ARCH) $(asinstr)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 81f8c9634832..1b1e67ff9d21 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -137,9 +137,9 @@ config GENERIC_CPU
depends on PPC64 && CPU_LITTLE_ENDIAN
select ARCH_HAS_FAST_MULTIPLIER
-config GENERIC_CPU
+config POWERPC_CPU
bool "Generic 32 bits powerpc"
- depends on PPC32 && !PPC_8xx
+ depends on PPC32 && !PPC_8xx && !PPC_85xx
config CELL_CPU
bool "Cell Broadband Engine"
@@ -193,11 +193,23 @@ config G4_CPU
depends on PPC_BOOK3S_32
select ALTIVEC
+config E500_CPU
+ bool "e500 (8540)"
+ depends on PPC_85xx && !PPC_E500MC
+
+config E500MC_CPU
+ bool "e500mc"
+ depends on PPC_85xx && PPC_E500MC
+
+config TOOLCHAIN_DEFAULT_CPU
+ bool "Rely on the toolchain's implicit default CPU"
+ depends on PPC32
+
endchoice
config TARGET_CPU_BOOL
bool
- default !GENERIC_CPU
+ default !GENERIC_CPU && !TOOLCHAIN_DEFAULT_CPU
config TARGET_CPU
string
@@ -212,6 +224,9 @@ config TARGET_CPU
default "e300c2" if E300C2_CPU
default "e300c3" if E300C3_CPU
default "G4" if G4_CPU
+ default "8540" if E500_CPU
+ default "e500mc" if E500MC_CPU
+ default "powerpc" if POWERPC_CPU
config PPC_BOOK3S
def_bool y
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 222/244] ovl: warn if trusted xattr creation fails
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (220 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 221/244] powerpc/32: Dont always pass -mcpu=powerpc to the compiler Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 223/244] powerpc/ioda/iommu/debugfs: Generate unique debugfs entries Greg Kroah-Hartman
` (23 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Alois Wohlschlager, Miklos Szeredi,
Sasha Levin
From: Miklos Szeredi <mszeredi@redhat.com>
[ Upstream commit b10b85fe5149ee8b39fbbf86095b303632dde2cd ]
When mounting overlayfs in an unprivileged user namespace, trusted xattr
creation will fail. This will lead to failures in some file operations,
e.g. in the following situation:
mkdir lower upper work merged
mkdir lower/directory
mount -toverlay -olowerdir=lower,upperdir=upper,workdir=work none merged
rmdir merged/directory
mkdir merged/directory
The last mkdir will fail:
mkdir: cannot create directory 'merged/directory': Input/output error
The cause for these failures is currently extremely non-obvious and hard to
debug. Hence, warn the user and suggest using the userxattr mount option,
if it is not already supplied and xattr creation fails during the
self-check.
Reported-by: Alois Wohlschlager <alois1@gmx-topmail.de>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/overlayfs/super.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 7bb0a47cb615..9837aaf9caf1 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1413,11 +1413,12 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
*/
err = ovl_do_setxattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE, "0", 1);
if (err) {
+ pr_warn("failed to set xattr on upper\n");
ofs->noxattr = true;
if (ofs->config.index || ofs->config.metacopy) {
ofs->config.index = false;
ofs->config.metacopy = false;
- pr_warn("upper fs does not support xattr, falling back to index=off,metacopy=off.\n");
+ pr_warn("...falling back to index=off,metacopy=off.\n");
}
/*
* xattr support is required for persistent st_ino.
@@ -1425,8 +1426,10 @@ static int ovl_make_workdir(struct super_block *sb, struct ovl_fs *ofs,
*/
if (ofs->config.xino == OVL_XINO_AUTO) {
ofs->config.xino = OVL_XINO_OFF;
- pr_warn("upper fs does not support xattr, falling back to xino=off.\n");
+ pr_warn("...falling back to xino=off.\n");
}
+ if (err == -EPERM && !ofs->config.userxattr)
+ pr_info("try mounting with 'userxattr' option\n");
err = 0;
} else {
ovl_do_removexattr(ofs, ofs->workdir, OVL_XATTR_OPAQUE);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 223/244] powerpc/ioda/iommu/debugfs: Generate unique debugfs entries
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (221 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 222/244] ovl: warn if trusted xattr creation fails Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 224/244] ALSA: core: Add async signal helpers Greg Kroah-Hartman
` (22 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Alexey Kardashevskiy,
Michael Ellerman, Sasha Levin
From: Alexey Kardashevskiy <aik@ozlabs.ru>
[ Upstream commit d73b46c3c1449bf27f793b9d9ee86ed70c7a7163 ]
The iommu_table::it_index is a LIOBN which is not initialized on PowerNV
as it is not used except IOMMU debugfs where it is used for a node name.
This initializes it_index witn a unique number to avoid warnings and
have a node for every iommu_table.
This should not cause any behavioral change without CONFIG_IOMMU_DEBUGFS.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220714080800.3712998-1-aik@ozlabs.ru
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/platforms/powernv/pci-ioda.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 3dd35c327d1c..624822a81019 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1618,6 +1618,7 @@ static void pnv_pci_ioda1_setup_dma_pe(struct pnv_phb *phb,
tbl->it_ops = &pnv_ioda1_iommu_ops;
pe->table_group.tce32_start = tbl->it_offset << tbl->it_page_shift;
pe->table_group.tce32_size = tbl->it_size << tbl->it_page_shift;
+ tbl->it_index = (phb->hose->global_number << 16) | pe->pe_number;
if (!iommu_init_table(tbl, phb->hose->node, 0, 0))
panic("Failed to initialize iommu table");
@@ -1788,6 +1789,7 @@ static long pnv_pci_ioda2_setup_default_config(struct pnv_ioda_pe *pe)
res_end = min(window_size, SZ_4G) >> tbl->it_page_shift;
}
+ tbl->it_index = (pe->phb->hose->global_number << 16) | pe->pe_number;
if (iommu_init_table(tbl, pe->phb->hose->node, res_start, res_end))
rc = pnv_pci_ioda2_set_window(&pe->table_group, 0, tbl);
else
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 224/244] ALSA: core: Add async signal helpers
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (222 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 223/244] powerpc/ioda/iommu/debugfs: Generate unique debugfs entries Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 225/244] ALSA: timer: Use deferred fasync helper Greg Kroah-Hartman
` (21 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Takashi Iwai, Sasha Levin
From: Takashi Iwai <tiwai@suse.de>
[ Upstream commit ef34a0ae7a2654bc9e58675e36898217fb2799d8 ]
Currently the call of kill_fasync() from an interrupt handler might
lead to potential spin deadlocks, as spotted by syzkaller.
Unfortunately, it's not so trivial to fix this lock chain as it's
involved with the tasklist_lock that is touched in allover places.
As a temporary workaround, this patch provides the way to defer the
async signal notification in a work. The new helper functions,
snd_fasync_helper() and snd_kill_faync() are replacements for
fasync_helper() and kill_fasync(), respectively. In addition,
snd_fasync_free() needs to be called at the destructor of the relevant
file object.
Link: https://lore.kernel.org/r/20220728125945.29533-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/sound/core.h | 8 ++++
sound/core/misc.c | 94 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 102 insertions(+)
diff --git a/include/sound/core.h b/include/sound/core.h
index 6d4cc49584c6..39cee40ac22e 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -501,4 +501,12 @@ snd_pci_quirk_lookup_id(u16 vendor, u16 device,
}
#endif
+/* async signal helpers */
+struct snd_fasync;
+
+int snd_fasync_helper(int fd, struct file *file, int on,
+ struct snd_fasync **fasyncp);
+void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll);
+void snd_fasync_free(struct snd_fasync *fasync);
+
#endif /* __SOUND_CORE_H */
diff --git a/sound/core/misc.c b/sound/core/misc.c
index 50e4aaa6270d..d32a19976a2b 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -10,6 +10,7 @@
#include <linux/time.h>
#include <linux/slab.h>
#include <linux/ioport.h>
+#include <linux/fs.h>
#include <sound/core.h>
#ifdef CONFIG_SND_DEBUG
@@ -145,3 +146,96 @@ snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
}
EXPORT_SYMBOL(snd_pci_quirk_lookup);
#endif
+
+/*
+ * Deferred async signal helpers
+ *
+ * Below are a few helper functions to wrap the async signal handling
+ * in the deferred work. The main purpose is to avoid the messy deadlock
+ * around tasklist_lock and co at the kill_fasync() invocation.
+ * fasync_helper() and kill_fasync() are replaced with snd_fasync_helper()
+ * and snd_kill_fasync(), respectively. In addition, snd_fasync_free() has
+ * to be called at releasing the relevant file object.
+ */
+struct snd_fasync {
+ struct fasync_struct *fasync;
+ int signal;
+ int poll;
+ int on;
+ struct list_head list;
+};
+
+static DEFINE_SPINLOCK(snd_fasync_lock);
+static LIST_HEAD(snd_fasync_list);
+
+static void snd_fasync_work_fn(struct work_struct *work)
+{
+ struct snd_fasync *fasync;
+
+ spin_lock_irq(&snd_fasync_lock);
+ while (!list_empty(&snd_fasync_list)) {
+ fasync = list_first_entry(&snd_fasync_list, struct snd_fasync, list);
+ list_del_init(&fasync->list);
+ spin_unlock_irq(&snd_fasync_lock);
+ if (fasync->on)
+ kill_fasync(&fasync->fasync, fasync->signal, fasync->poll);
+ spin_lock_irq(&snd_fasync_lock);
+ }
+ spin_unlock_irq(&snd_fasync_lock);
+}
+
+static DECLARE_WORK(snd_fasync_work, snd_fasync_work_fn);
+
+int snd_fasync_helper(int fd, struct file *file, int on,
+ struct snd_fasync **fasyncp)
+{
+ struct snd_fasync *fasync = NULL;
+
+ if (on) {
+ fasync = kzalloc(sizeof(*fasync), GFP_KERNEL);
+ if (!fasync)
+ return -ENOMEM;
+ INIT_LIST_HEAD(&fasync->list);
+ }
+
+ spin_lock_irq(&snd_fasync_lock);
+ if (*fasyncp) {
+ kfree(fasync);
+ fasync = *fasyncp;
+ } else {
+ if (!fasync) {
+ spin_unlock_irq(&snd_fasync_lock);
+ return 0;
+ }
+ *fasyncp = fasync;
+ }
+ fasync->on = on;
+ spin_unlock_irq(&snd_fasync_lock);
+ return fasync_helper(fd, file, on, &fasync->fasync);
+}
+EXPORT_SYMBOL_GPL(snd_fasync_helper);
+
+void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)
+{
+ unsigned long flags;
+
+ if (!fasync || !fasync->on)
+ return;
+ spin_lock_irqsave(&snd_fasync_lock, flags);
+ fasync->signal = signal;
+ fasync->poll = poll;
+ list_move(&fasync->list, &snd_fasync_list);
+ schedule_work(&snd_fasync_work);
+ spin_unlock_irqrestore(&snd_fasync_lock, flags);
+}
+EXPORT_SYMBOL_GPL(snd_kill_fasync);
+
+void snd_fasync_free(struct snd_fasync *fasync)
+{
+ if (!fasync)
+ return;
+ fasync->on = 0;
+ flush_work(&snd_fasync_work);
+ kfree(fasync);
+}
+EXPORT_SYMBOL_GPL(snd_fasync_free);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 225/244] ALSA: timer: Use deferred fasync helper
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (223 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 224/244] ALSA: core: Add async signal helpers Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 226/244] ALSA: control: " Greg Kroah-Hartman
` (20 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, syzbot+1ee0910eca9c94f71f25,
syzbot+49b10793b867871ee26f, syzbot+8285e973a41b5aa68902,
Takashi Iwai, Sasha Levin
From: Takashi Iwai <tiwai@suse.de>
[ Upstream commit 95cc637c1afd83fb7dd3d7c8a53710488f4caf9c ]
For avoiding the potential deadlock via kill_fasync() call, use the
new fasync helpers to defer the invocation from PCI API. Note that
it's merely a workaround.
Reported-by: syzbot+1ee0910eca9c94f71f25@syzkaller.appspotmail.com
Reported-by: syzbot+49b10793b867871ee26f@syzkaller.appspotmail.com
Reported-by: syzbot+8285e973a41b5aa68902@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20220728125945.29533-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
sound/core/timer.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/sound/core/timer.c b/sound/core/timer.c
index b3214baa8919..e08a37c23add 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -83,7 +83,7 @@ struct snd_timer_user {
unsigned int filter;
struct timespec64 tstamp; /* trigger tstamp */
wait_queue_head_t qchange_sleep;
- struct fasync_struct *fasync;
+ struct snd_fasync *fasync;
struct mutex ioctl_lock;
};
@@ -1345,7 +1345,7 @@ static void snd_timer_user_interrupt(struct snd_timer_instance *timeri,
}
__wake:
spin_unlock(&tu->qlock);
- kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+ snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
wake_up(&tu->qchange_sleep);
}
@@ -1383,7 +1383,7 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
spin_lock_irqsave(&tu->qlock, flags);
snd_timer_user_append_to_tqueue(tu, &r1);
spin_unlock_irqrestore(&tu->qlock, flags);
- kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+ snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
wake_up(&tu->qchange_sleep);
}
@@ -1453,7 +1453,7 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,
spin_unlock(&tu->qlock);
if (append == 0)
return;
- kill_fasync(&tu->fasync, SIGIO, POLL_IN);
+ snd_kill_fasync(tu->fasync, SIGIO, POLL_IN);
wake_up(&tu->qchange_sleep);
}
@@ -1521,6 +1521,7 @@ static int snd_timer_user_release(struct inode *inode, struct file *file)
snd_timer_instance_free(tu->timeri);
}
mutex_unlock(&tu->ioctl_lock);
+ snd_fasync_free(tu->fasync);
kfree(tu->queue);
kfree(tu->tqueue);
kfree(tu);
@@ -2135,7 +2136,7 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
struct snd_timer_user *tu;
tu = file->private_data;
- return fasync_helper(fd, file, on, &tu->fasync);
+ return snd_fasync_helper(fd, file, on, &tu->fasync);
}
static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 226/244] ALSA: control: Use deferred fasync helper
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (224 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 225/244] ALSA: timer: Use deferred fasync helper Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 227/244] f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page() Greg Kroah-Hartman
` (19 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel; +Cc: Greg Kroah-Hartman, stable, Takashi Iwai, Sasha Levin
From: Takashi Iwai <tiwai@suse.de>
[ Upstream commit 4a971e84a7ae10a38d875cd2d4e487c8d1682ca3 ]
For avoiding the potential deadlock via kill_fasync() call, use the
new fasync helpers to defer the invocation from the control API. Note
that it's merely a workaround.
Another note: although we haven't received reports about the deadlock
with the control API, the deadlock is still potentially possible, and
it's better to align the behavior with other core APIs (PCM and
timer); so let's move altogether.
Link: https://lore.kernel.org/r/20220728125945.29533-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
include/sound/control.h | 2 +-
sound/core/control.c | 7 ++++---
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/sound/control.h b/include/sound/control.h
index 985c51a8fb74..a1fc7e0a47d9 100644
--- a/include/sound/control.h
+++ b/include/sound/control.h
@@ -109,7 +109,7 @@ struct snd_ctl_file {
int preferred_subdevice[SND_CTL_SUBDEV_ITEMS];
wait_queue_head_t change_sleep;
spinlock_t read_lock;
- struct fasync_struct *fasync;
+ struct snd_fasync *fasync;
int subscribed; /* read interface is activated */
struct list_head events; /* waiting events for read */
};
diff --git a/sound/core/control.c b/sound/core/control.c
index a25c0d64d104..f66fe4be30d3 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -127,6 +127,7 @@ static int snd_ctl_release(struct inode *inode, struct file *file)
if (control->vd[idx].owner == ctl)
control->vd[idx].owner = NULL;
up_write(&card->controls_rwsem);
+ snd_fasync_free(ctl->fasync);
snd_ctl_empty_read_queue(ctl);
put_pid(ctl->pid);
kfree(ctl);
@@ -181,7 +182,7 @@ void snd_ctl_notify(struct snd_card *card, unsigned int mask,
_found:
wake_up(&ctl->change_sleep);
spin_unlock(&ctl->read_lock);
- kill_fasync(&ctl->fasync, SIGIO, POLL_IN);
+ snd_kill_fasync(ctl->fasync, SIGIO, POLL_IN);
}
read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
}
@@ -2002,7 +2003,7 @@ static int snd_ctl_fasync(int fd, struct file * file, int on)
struct snd_ctl_file *ctl;
ctl = file->private_data;
- return fasync_helper(fd, file, on, &ctl->fasync);
+ return snd_fasync_helper(fd, file, on, &ctl->fasync);
}
/* return the preferred subdevice number if already assigned;
@@ -2170,7 +2171,7 @@ static int snd_ctl_dev_disconnect(struct snd_device *device)
read_lock_irqsave(&card->ctl_files_rwlock, flags);
list_for_each_entry(ctl, &card->ctl_files, list) {
wake_up(&ctl->change_sleep);
- kill_fasync(&ctl->fasync, SIGIO, POLL_ERR);
+ snd_kill_fasync(ctl->fasync, SIGIO, POLL_ERR);
}
read_unlock_irqrestore(&card->ctl_files_rwlock, flags);
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 227/244] f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (225 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 226/244] ALSA: control: " Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 228/244] f2fs: fix to do sanity check on segment type in build_sit_entries() Greg Kroah-Hartman
` (18 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Dipanjan Das, Chao Yu, Jaegeuk Kim,
Sasha Levin
From: Chao Yu <chao.yu@oppo.com>
[ Upstream commit 141170b759e03958f296033bb7001be62d1d363b ]
As Dipanjan Das <mail.dipanjan.das@gmail.com> reported, syzkaller
found a f2fs bug as below:
RIP: 0010:f2fs_new_node_page+0x19ac/0x1fc0 fs/f2fs/node.c:1295
Call Trace:
write_all_xattrs fs/f2fs/xattr.c:487 [inline]
__f2fs_setxattr+0xe76/0x2e10 fs/f2fs/xattr.c:743
f2fs_setxattr+0x233/0xab0 fs/f2fs/xattr.c:790
f2fs_xattr_generic_set+0x133/0x170 fs/f2fs/xattr.c:86
__vfs_setxattr+0x115/0x180 fs/xattr.c:182
__vfs_setxattr_noperm+0x125/0x5f0 fs/xattr.c:216
__vfs_setxattr_locked+0x1cf/0x260 fs/xattr.c:277
vfs_setxattr+0x13f/0x330 fs/xattr.c:303
setxattr+0x146/0x160 fs/xattr.c:611
path_setxattr+0x1a7/0x1d0 fs/xattr.c:630
__do_sys_lsetxattr fs/xattr.c:653 [inline]
__se_sys_lsetxattr fs/xattr.c:649 [inline]
__x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:649
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
NAT entry and nat bitmap can be inconsistent, e.g. one nid is free
in nat bitmap, and blkaddr in its NAT entry is not NULL_ADDR, it
may trigger BUG_ON() in f2fs_new_node_page(), fix it.
Reported-by: Dipanjan Das <mail.dipanjan.das@gmail.com>
Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/node.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 69c6bcaf5aae..0e6e73bc42d4 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1291,7 +1291,11 @@ struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
dec_valid_node_count(sbi, dn->inode, !ofs);
goto fail;
}
- f2fs_bug_on(sbi, new_ni.blk_addr != NULL_ADDR);
+ if (unlikely(new_ni.blk_addr != NULL_ADDR)) {
+ err = -EFSCORRUPTED;
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ goto fail;
+ }
#endif
new_ni.nid = dn->nid;
new_ni.ino = dn->inode->i_ino;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 228/244] f2fs: fix to do sanity check on segment type in build_sit_entries()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (226 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 227/244] f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 229/244] smb3: check xattr value length earlier Greg Kroah-Hartman
` (17 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Wenqing Liu, Chao Yu, Jaegeuk Kim,
Sasha Levin
From: Chao Yu <chao.yu@oppo.com>
[ Upstream commit 09beadf289d6e300553e60d6e76f13c0427ecab3 ]
As Wenqing Liu <wenqingliu0120@gmail.com> reported in bugzilla:
https://bugzilla.kernel.org/show_bug.cgi?id=216285
RIP: 0010:memcpy_erms+0x6/0x10
f2fs_update_meta_page+0x84/0x570 [f2fs]
change_curseg.constprop.0+0x159/0xbd0 [f2fs]
f2fs_do_replace_block+0x5c7/0x18a0 [f2fs]
f2fs_replace_block+0xeb/0x180 [f2fs]
recover_data+0x1abd/0x6f50 [f2fs]
f2fs_recover_fsync_data+0x12ce/0x3250 [f2fs]
f2fs_fill_super+0x4459/0x6190 [f2fs]
mount_bdev+0x2cf/0x3b0
legacy_get_tree+0xed/0x1d0
vfs_get_tree+0x81/0x2b0
path_mount+0x47e/0x19d0
do_mount+0xce/0xf0
__x64_sys_mount+0x12c/0x1a0
do_syscall_64+0x38/0x90
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The root cause is segment type is invalid, so in f2fs_do_replace_block(),
f2fs accesses f2fs_sm_info::curseg_array with out-of-range segment type,
result in accessing invalid curseg->sum_blk during memcpy in
f2fs_update_meta_page(). Fix this by adding sanity check on segment type
in build_sit_entries().
Reported-by: Wenqing Liu <wenqingliu0120@gmail.com>
Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/segment.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 841a978da083..e98c90bd8ef6 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -4537,6 +4537,12 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
return err;
seg_info_from_raw_sit(se, &sit);
+ if (se->type >= NR_PERSISTENT_LOG) {
+ f2fs_err(sbi, "Invalid segment type: %u, segno: %u",
+ se->type, start);
+ return -EFSCORRUPTED;
+ }
+
sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
if (f2fs_block_unit_discard(sbi)) {
@@ -4585,6 +4591,13 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
break;
seg_info_from_raw_sit(se, &sit);
+ if (se->type >= NR_PERSISTENT_LOG) {
+ f2fs_err(sbi, "Invalid segment type: %u, segno: %u",
+ se->type, start);
+ err = -EFSCORRUPTED;
+ break;
+ }
+
sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
if (f2fs_block_unit_discard(sbi)) {
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 229/244] smb3: check xattr value length earlier
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (227 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 228/244] f2fs: fix to do sanity check on segment type in build_sit_entries() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 230/244] powerpc/64: Init jump labels before parse_early_param() Greg Kroah-Hartman
` (16 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Ronnie Sahlberg, Steve French, Sasha Levin
From: Steve French <stfrench@microsoft.com>
[ Upstream commit 5fa2cffba0b82336a2244d941322eb1627ff787b ]
Coverity complains about assigning a pointer based on
value length before checking that value length goes
beyond the end of the SMB. Although this is even more
unlikely as value length is a single byte, and the
pointer is not dereferenced until laterm, it is clearer
to check the lengths first.
Addresses-Coverity: 1467704 ("Speculative execution data leak")
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/cifs/smb2ops.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 735aafee63be..07895e9d537c 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1105,9 +1105,7 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size,
size_t name_len, value_len, user_name_len;
while (src_size > 0) {
- name = &src->ea_data[0];
name_len = (size_t)src->ea_name_length;
- value = &src->ea_data[src->ea_name_length + 1];
value_len = (size_t)le16_to_cpu(src->ea_value_length);
if (name_len == 0)
@@ -1119,6 +1117,9 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size,
goto out;
}
+ name = &src->ea_data[0];
+ value = &src->ea_data[src->ea_name_length + 1];
+
if (ea_name) {
if (ea_name_len == name_len &&
memcmp(ea_name, name, name_len) == 0) {
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 230/244] powerpc/64: Init jump labels before parse_early_param()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (228 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 229/244] smb3: check xattr value length earlier Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 231/244] venus: pm_helpers: Fix warning in OPP during probe Greg Kroah-Hartman
` (15 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Michael Ellerman, Zhouyi Zhou, Sasha Levin
From: Zhouyi Zhou <zhouzhouyi@gmail.com>
[ Upstream commit ca829e05d3d4f728810cc5e4b468d9ebc7745eb3 ]
On 64-bit, calling jump_label_init() in setup_feature_keys() is too
late because static keys may be used in subroutines of
parse_early_param() which is again subroutine of early_init_devtree().
For example booting with "threadirqs":
static_key_enable_cpuslocked(): static key '0xc000000002953260' used before call to jump_label_init()
WARNING: CPU: 0 PID: 0 at kernel/jump_label.c:166 static_key_enable_cpuslocked+0xfc/0x120
...
NIP static_key_enable_cpuslocked+0xfc/0x120
LR static_key_enable_cpuslocked+0xf8/0x120
Call Trace:
static_key_enable_cpuslocked+0xf8/0x120 (unreliable)
static_key_enable+0x30/0x50
setup_forced_irqthreads+0x28/0x40
do_early_param+0xa0/0x108
parse_args+0x290/0x4e0
parse_early_options+0x48/0x5c
parse_early_param+0x58/0x84
early_init_devtree+0xd4/0x518
early_setup+0xb4/0x214
So call jump_label_init() just before parse_early_param() in
early_init_devtree().
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
[mpe: Add call trace to change log and minor wording edits.]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220726015747.11754-1-zhouzhouyi@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/kernel/prom.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 2e67588f6f6e..86ffbabd26c6 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -751,6 +751,13 @@ void __init early_init_devtree(void *params)
of_scan_flat_dt(early_init_dt_scan_root, NULL);
of_scan_flat_dt(early_init_dt_scan_memory_ppc, NULL);
+ /*
+ * As generic code authors expect to be able to use static keys
+ * in early_param() handlers, we initialize the static keys just
+ * before parsing early params (it's fine to call jump_label_init()
+ * more than once).
+ */
+ jump_label_init();
parse_early_param();
/* make sure we've parsed cmdline for mem= before this */
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 231/244] venus: pm_helpers: Fix warning in OPP during probe
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (229 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 230/244] powerpc/64: Init jump labels before parse_early_param() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 232/244] video: fbdev: i740fb: Check the argument of i740_calc_vclk() Greg Kroah-Hartman
` (14 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Linux Kernel Functional Testing,
Viresh Kumar, Stanimir Varbanov, Sasha Levin
From: Stanimir Varbanov <stanimir.varbanov@linaro.org>
[ Upstream commit 1d95af02f23031c2e1cca7607c514b86ce85bc6e ]
Fix the following WARN triggered during Venus driver probe on
5.19.0-rc8-next-20220728:
WARNING: CPU: 7 PID: 339 at drivers/opp/core.c:2471 dev_pm_opp_set_config+0x49c/0x610
Modules linked in: qcom_spmi_adc5 rtc_pm8xxx qcom_spmi_adc_tm5 leds_qcom_lpg led_class_multicolor
qcom_pon qcom_vadc_common venus_core(+) qcom_spmi_temp_alarm v4l2_mem2mem videobuf2_v4l2 msm(+)
videobuf2_common crct10dif_ce spi_geni_qcom snd_soc_sm8250 i2c_qcom_geni gpu_sched
snd_soc_qcom_common videodev qcom_q6v5_pas soundwire_qcom drm_dp_aux_bus qcom_stats
drm_display_helper qcom_pil_info soundwire_bus snd_soc_lpass_va_macro mc qcom_q6v5
phy_qcom_snps_femto_v2 qcom_rng snd_soc_lpass_macro_common snd_soc_lpass_wsa_macro
lpass_gfm_sm8250 slimbus qcom_sysmon qcom_common qcom_glink_smem qmi_helpers
qcom_wdt mdt_loader socinfo icc_osm_l3 display_connector
drm_kms_helper qnoc_sm8250 drm fuse ip_tables x_tables ipv6
CPU: 7 PID: 339 Comm: systemd-udevd Not tainted 5.19.0-rc8-next-20220728 #4
Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dev_pm_opp_set_config+0x49c/0x610
lr : dev_pm_opp_set_config+0x58/0x610
sp : ffff8000093c3710
x29: ffff8000093c3710 x28: ffffbca3959d82b8 x27: ffff8000093c3d00
x26: ffffbca3959d8e08 x25: ffff4396cac98118 x24: ffff4396c0e24810
x23: ffff4396c4272c40 x22: ffff4396c0e24810 x21: ffff8000093c3810
x20: ffff4396cac36800 x19: ffff4396cac96800 x18: 0000000000000000
x17: 0000000000000003 x16: ffffbca3f4edf198 x15: 0000001cba64a858
x14: 0000000000000180 x13: 000000000000017e x12: 0000000000000000
x11: 0000000000000002 x10: 0000000000000a60 x9 : ffff8000093c35c0
x8 : ffff4396c4273700 x7 : ffff43983efca6c0 x6 : ffff43983efca640
x5 : 00000000410fd0d0 x4 : ffff4396c4272c40 x3 : ffffbca3f5d1e008
x2 : 0000000000000000 x1 : ffff4396c2421600 x0 : ffff4396cac96860
Call trace:
dev_pm_opp_set_config+0x49c/0x610
devm_pm_opp_set_config+0x18/0x70
vcodec_domains_get+0xb8/0x1638 [venus_core]
core_get_v4+0x1d8/0x218 [venus_core]
venus_probe+0xf4/0x468 [venus_core]
platform_probe+0x68/0xd8
really_probe+0xbc/0x2a8
__driver_probe_device+0x78/0xe0
driver_probe_device+0x3c/0xf0
__driver_attach+0x70/0x120
bus_for_each_dev+0x70/0xc0
driver_attach+0x24/0x30
bus_add_driver+0x150/0x200
driver_register+0x64/0x120
__platform_driver_register+0x28/0x38
qcom_venus_driver_init+0x24/0x1000 [venus_core]
do_one_initcall+0x54/0x1c8
do_init_module+0x44/0x1d0
load_module+0x16c8/0x1aa0
__do_sys_finit_module+0xbc/0x110
__arm64_sys_finit_module+0x20/0x30
invoke_syscall+0x44/0x108
el0_svc_common.constprop.0+0xcc/0xf0
do_el0_svc+0x2c/0xb8
el0_svc+0x2c/0x88
el0t_64_sync_handler+0xb8/0xc0
el0t_64_sync+0x18c/0x190
qcom-venus: probe of aa00000.video-codec failed with error -16
The fix is re-ordering the code related to OPP core. The OPP core
expects all configuration options to be provided before the OPP
table is added.
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/platform/qcom/venus/pm_helpers.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index a591dd315ebc..03fc82cb3fea 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -875,7 +875,7 @@ static int vcodec_domains_get(struct venus_core *core)
}
skip_pmdomains:
- if (!core->has_opp_table)
+ if (!core->res->opp_pmdomain)
return 0;
/* Attach the power domain for setting performance state */
@@ -1007,6 +1007,10 @@ static int core_get_v4(struct venus_core *core)
if (ret)
return ret;
+ ret = vcodec_domains_get(core);
+ if (ret)
+ return ret;
+
if (core->res->opp_pmdomain) {
ret = devm_pm_opp_of_add_table(dev);
if (!ret) {
@@ -1017,10 +1021,6 @@ static int core_get_v4(struct venus_core *core)
}
}
- ret = vcodec_domains_get(core);
- if (ret)
- return ret;
-
return 0;
}
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 232/244] video: fbdev: i740fb: Check the argument of i740_calc_vclk()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (230 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 231/244] venus: pm_helpers: Fix warning in OPP during probe Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 233/244] MIPS: tlbex: Explicitly compare _PAGE_NO_EXEC against 0 Greg Kroah-Hartman
` (13 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Zheyu Ma, Helge Deller, Sasha Levin
From: Zheyu Ma <zheyuma97@gmail.com>
[ Upstream commit 40bf722f8064f50200b8c4f8946cd625b441dda9 ]
Since the user can control the arguments of the ioctl() from the user
space, under special arguments that may result in a divide-by-zero bug.
If the user provides an improper 'pixclock' value that makes the argumet
of i740_calc_vclk() less than 'I740_RFREQ_FIX', it will cause a
divide-by-zero bug in:
drivers/video/fbdev/i740fb.c:353 p_best = min(15, ilog2(I740_MAX_VCO_FREQ / (freq / I740_RFREQ_FIX)));
The following log can reveal it:
divide error: 0000 [#1] PREEMPT SMP KASAN PTI
RIP: 0010:i740_calc_vclk drivers/video/fbdev/i740fb.c:353 [inline]
RIP: 0010:i740fb_decode_var drivers/video/fbdev/i740fb.c:646 [inline]
RIP: 0010:i740fb_set_par+0x163f/0x3b70 drivers/video/fbdev/i740fb.c:742
Call Trace:
fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1034
do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1110
fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1189
Fix this by checking the argument of i740_calc_vclk() first.
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/video/fbdev/i740fb.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 52cce0db8bd3..ad5ced4ef972 100644
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -400,7 +400,7 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
u32 xres, right, hslen, left, xtotal;
u32 yres, lower, vslen, upper, ytotal;
u32 vxres, xoffset, vyres, yoffset;
- u32 bpp, base, dacspeed24, mem;
+ u32 bpp, base, dacspeed24, mem, freq;
u8 r7;
int i;
@@ -643,7 +643,12 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
par->atc[VGA_ATC_OVERSCAN] = 0;
/* Calculate VCLK that most closely matches the requested dot clock */
- i740_calc_vclk((((u32)1e9) / var->pixclock) * (u32)(1e3), par);
+ freq = (((u32)1e9) / var->pixclock) * (u32)(1e3);
+ if (freq < I740_RFREQ_FIX) {
+ fb_dbg(info, "invalid pixclock\n");
+ freq = I740_RFREQ_FIX;
+ }
+ i740_calc_vclk(freq, par);
/* Since we program the clocks ourselves, always use VCLK2. */
par->misc |= 0x0C;
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 233/244] MIPS: tlbex: Explicitly compare _PAGE_NO_EXEC against 0
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (231 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 232/244] video: fbdev: i740fb: Check the argument of i740_calc_vclk() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 234/244] can: j1939: j1939_sk_queue_activate_next_locked(): replace WARN_ON_ONCE with netdev_warn_once() Greg Kroah-Hartman
` (12 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Sudip Mukherjee (Codethink),
Nathan Chancellor, Thomas Bogendoerfer, Sasha Levin
From: Nathan Chancellor <nathan@kernel.org>
[ Upstream commit 74de14fe05dd6b151d73cb0c73c8ec874cbdcde6 ]
When CONFIG_XPA is enabled, Clang warns:
arch/mips/mm/tlbex.c:629:24: error: converting the result of '<<' to a boolean; did you mean '(1 << _PAGE_NO_EXEC_SHIFT) != 0'? [-Werror,-Wint-in-bool-context]
if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
^
arch/mips/include/asm/pgtable-bits.h:174:28: note: expanded from macro '_PAGE_NO_EXEC'
# define _PAGE_NO_EXEC (1 << _PAGE_NO_EXEC_SHIFT)
^
arch/mips/mm/tlbex.c:2568:24: error: converting the result of '<<' to a boolean; did you mean '(1 << _PAGE_NO_EXEC_SHIFT) != 0'? [-Werror,-Wint-in-bool-context]
if (!cpu_has_rixi || !_PAGE_NO_EXEC) {
^
arch/mips/include/asm/pgtable-bits.h:174:28: note: expanded from macro '_PAGE_NO_EXEC'
# define _PAGE_NO_EXEC (1 << _PAGE_NO_EXEC_SHIFT)
^
2 errors generated.
_PAGE_NO_EXEC can be '0' or '1 << _PAGE_NO_EXEC_SHIFT' depending on the
build and runtime configuration, which is what the negation operators
are trying to convey. To silence the warning, explicitly compare against
0 so the result of the '<<' operator is not implicitly converted to a
boolean.
According to its documentation, GCC enables -Wint-in-bool-context with
-Wall but this warning is not visible when building the same
configuration with GCC. It appears GCC only warns when compiling C++,
not C, although the documentation makes no note of this:
https://godbolt.org/z/x39q3brxf
Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/mips/mm/tlbex.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 046d51a454af..3471a089bc05 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -634,7 +634,7 @@ static __maybe_unused void build_convert_pte_to_entrylo(u32 **p,
return;
}
- if (cpu_has_rixi && !!_PAGE_NO_EXEC) {
+ if (cpu_has_rixi && _PAGE_NO_EXEC != 0) {
if (fill_includes_sw_bits) {
UASM_i_ROTR(p, reg, reg, ilog2(_PAGE_GLOBAL));
} else {
@@ -2573,7 +2573,7 @@ static void check_pabits(void)
unsigned long entry;
unsigned pabits, fillbits;
- if (!cpu_has_rixi || !_PAGE_NO_EXEC) {
+ if (!cpu_has_rixi || _PAGE_NO_EXEC == 0) {
/*
* We'll only be making use of the fact that we can rotate bits
* into the fill if the CPU supports RIXI, so don't bother
--
2.35.1
^ permalink raw reply related [flat|nested] 247+ messages in thread* [PATCH 5.15 234/244] can: j1939: j1939_sk_queue_activate_next_locked(): replace WARN_ON_ONCE with netdev_warn_once()
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (232 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 233/244] MIPS: tlbex: Explicitly compare _PAGE_NO_EXEC against 0 Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 235/244] scsi: ufs: ufs-mediatek: Fix build error and type mismatch Greg Kroah-Hartman
` (11 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Fedor Pchelkin, Alexey Khoroshilov,
Oleksij Rempel, Marc Kleine-Budde
From: Fedor Pchelkin <pchelkin@ispras.ru>
commit 8ef49f7f8244424adcf4a546dba4cbbeb0b09c09 upstream.
We should warn user-space that it is doing something wrong when trying
to activate sessions with identical parameters but WARN_ON_ONCE macro
can not be used here as it serves a different purpose.
So it would be good to replace it with netdev_warn_once() message.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20220729143655.1108297-1-pchelkin@ispras.ru
[mkl: fix indention]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/can/j1939/socket.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/can/j1939/socket.c
+++ b/net/can/j1939/socket.c
@@ -178,7 +178,10 @@ activate_next:
if (!first)
return;
- if (WARN_ON_ONCE(j1939_session_activate(first))) {
+ if (j1939_session_activate(first)) {
+ netdev_warn_once(first->priv->ndev,
+ "%s: 0x%p: Identical session is already activated.\n",
+ __func__, first);
first->err = -EBUSY;
goto activate_next;
} else {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 235/244] scsi: ufs: ufs-mediatek: Fix build error and type mismatch
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (233 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 234/244] can: j1939: j1939_sk_queue_activate_next_locked(): replace WARN_ON_ONCE with netdev_warn_once() Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 236/244] xfs: flush inodegc workqueue tasks before cancel Greg Kroah-Hartman
` (10 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel
Cc: Greg Kroah-Hartman, stable, Hulk Robot, Stanley Chu, Ren Zhijie,
Martin K. Petersen
From: Ren Zhijie <renzhijie2@huawei.com>
commit f54912b228a8df6c0133e31bc75628677bb8c6e5 upstream.
If CONFIG_PM_SLEEP is not set.
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-, will fail:
drivers/ufs/host/ufs-mediatek.c: In function ‘ufs_mtk_vreg_fix_vcc’:
drivers/ufs/host/ufs-mediatek.c:688:46: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 4 has type ‘long unsigned int’ [-Wformat=]
snprintf(vcc_name, MAX_VCC_NAME, "vcc-opt%u", res.a1);
~^ ~~~~~~
%lu
drivers/ufs/host/ufs-mediatek.c: In function ‘ufs_mtk_system_suspend’:
drivers/ufs/host/ufs-mediatek.c:1371:8: error: implicit declaration of function ‘ufshcd_system_suspend’; did you mean ‘ufs_mtk_system_suspend’? [-Werror=implicit-function-declaration]
ret = ufshcd_system_suspend(dev);
^~~~~~~~~~~~~~~~~~~~~
ufs_mtk_system_suspend
drivers/ufs/host/ufs-mediatek.c: In function ‘ufs_mtk_system_resume’:
drivers/ufs/host/ufs-mediatek.c:1386:9: error: implicit declaration of function ‘ufshcd_system_resume’; did you mean ‘ufs_mtk_system_resume’? [-Werror=implicit-function-declaration]
return ufshcd_system_resume(dev);
^~~~~~~~~~~~~~~~~~~~
ufs_mtk_system_resume
cc1: some warnings being treated as errors
The declaration of func "ufshcd_system_suspend()" depends on
CONFIG_PM_SLEEP, so the function wrapper ufs_mtk_system_suspend() should
wrapped by CONFIG_PM_SLEEP too.
Link: https://lore.kernel.org/r/20220619115432.205504-1-renzhijie2@huawei.com
Fixes: 3fd23b8dfb54 ("scsi: ufs: ufs-mediatek: Fix the timing of configuring device regulators")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Ren Zhijie <renzhijie2@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[only take the suspend/resume portion of the commit - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/scsi/ufs/ufs-mediatek.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -1139,6 +1139,7 @@ static int ufs_mtk_remove(struct platfor
return 0;
}
+#ifdef CONFIG_PM_SLEEP
int ufs_mtk_system_suspend(struct device *dev)
{
struct ufs_hba *hba = dev_get_drvdata(dev);
@@ -1161,6 +1162,7 @@ int ufs_mtk_system_resume(struct device
return ufshcd_system_resume(dev);
}
+#endif
int ufs_mtk_runtime_suspend(struct device *dev)
{
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 236/244] xfs: flush inodegc workqueue tasks before cancel
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (234 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 235/244] scsi: ufs: ufs-mediatek: Fix build error and type mismatch Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 237/244] xfs: reserve quota for dir expansion when linking/unlinking files Greg Kroah-Hartman
` (9 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Brian Foster, Darrick J. Wong, Dave Chinner,
Leah Rumancik
From: Brian Foster <bfoster@redhat.com>
[ Upstream commit 6191cf3ad59fda5901160633fef8e41b064a5246 ]
The xfs_inodegc_stop() helper performs a high level flush of pending
work on the percpu queues and then runs a cancel_work_sync() on each
of the percpu work tasks to ensure all work has completed before
returning. While cancel_work_sync() waits for wq tasks to complete,
it does not guarantee work tasks have started. This means that the
_stop() helper can queue and instantly cancel a wq task without
having completed the associated work. This can be observed by
tracepoint inspection of a simple "rm -f <file>; fsfreeze -f <mnt>"
test:
xfs_destroy_inode: ... ino 0x83 ...
xfs_inode_set_need_inactive: ... ino 0x83 ...
xfs_inodegc_stop: ...
...
xfs_inodegc_start: ...
xfs_inodegc_worker: ...
xfs_inode_inactivating: ... ino 0x83 ...
The first few lines show that the inode is removed and need inactive
state set, but the inactivation work has not completed before the
inodegc mechanism stops. The inactivation doesn't actually occur
until the fs is unfrozen and the gc mechanism starts back up. Note
that this test requires fsfreeze to reproduce because xfs_freeze
indirectly invokes xfs_fs_statfs(), which calls xfs_inodegc_flush().
When this occurs, the workqueue try_to_grab_pending() logic first
tries to steal the pending bit, which does not succeed because the
bit has been set by queue_work_on(). Subsequently, it checks for
association of a pool workqueue from the work item under the pool
lock. This association is set at the point a work item is queued and
cleared when dequeued for processing. If the association exists, the
work item is removed from the queue and cancel_work_sync() returns
true. If the pwq association is cleared, the remove attempt assumes
the task is busy and retries (eventually returning false to the
caller after waiting for the work task to complete).
To avoid this race, we can flush each work item explicitly before
cancel. However, since the _queue_all() already schedules each
underlying work item, the workqueue level helpers are sufficient to
achieve the same ordering effect. E.g., the inodegc enabled flag
prevents scheduling any further work in the _stop() case. Use the
drain_workqueue() helper in this particular case to make the intent
a bit more self explanatory.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_icache.c | 22 ++++------------------
1 file changed, 4 insertions(+), 18 deletions(-)
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1872,28 +1872,20 @@ xfs_inodegc_worker(
}
/*
- * Force all currently queued inode inactivation work to run immediately, and
- * wait for the work to finish. Two pass - queue all the work first pass, wait
- * for it in a second pass.
+ * Force all currently queued inode inactivation work to run immediately and
+ * wait for the work to finish.
*/
void
xfs_inodegc_flush(
struct xfs_mount *mp)
{
- struct xfs_inodegc *gc;
- int cpu;
-
if (!xfs_is_inodegc_enabled(mp))
return;
trace_xfs_inodegc_flush(mp, __return_address);
xfs_inodegc_queue_all(mp);
-
- for_each_online_cpu(cpu) {
- gc = per_cpu_ptr(mp->m_inodegc, cpu);
- flush_work(&gc->work);
- }
+ flush_workqueue(mp->m_inodegc_wq);
}
/*
@@ -1904,18 +1896,12 @@ void
xfs_inodegc_stop(
struct xfs_mount *mp)
{
- struct xfs_inodegc *gc;
- int cpu;
-
if (!xfs_clear_inodegc_enabled(mp))
return;
xfs_inodegc_queue_all(mp);
+ drain_workqueue(mp->m_inodegc_wq);
- for_each_online_cpu(cpu) {
- gc = per_cpu_ptr(mp->m_inodegc, cpu);
- cancel_work_sync(&gc->work);
- }
trace_xfs_inodegc_stop(mp, __return_address);
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 237/244] xfs: reserve quota for dir expansion when linking/unlinking files
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (235 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 236/244] xfs: flush inodegc workqueue tasks before cancel Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 238/244] xfs: reserve quota for target dir expansion when renaming files Greg Kroah-Hartman
` (8 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Darrick J. Wong, Dave Chinner, Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 871b9316e7a778ff97bdc34fdb2f2977f616651d ]
XFS does not reserve quota for directory expansion when linking or
unlinking children from a directory. This means that we don't reject
the expansion with EDQUOT when we're at or near a hard limit, which
means that unprivileged userspace can use link()/unlink() to exceed
quota.
The fix for this is nuanced -- link operations don't always expand the
directory, and we allow a link to proceed with no space reservation if
we don't need to add a block to the directory to handle the addition.
Unlink operations generally do not expand the directory (you'd have to
free a block and then cause a btree split) and we can defer the
directory block freeing if there is no space reservation.
Moreover, there is a further bug in that we do not trigger the blockgc
workers to try to clear space when we're out of quota.
To fix both cases, create a new xfs_trans_alloc_dir function that
allocates the transaction, locks and joins the inodes, and reserves
quota for the directory. If there isn't sufficient space or quota,
we'll switch the caller to reservationless mode. This should prevent
quota usage overruns with the least restriction in functionality.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_inode.c | 46 ++++++++++------------------
fs/xfs/xfs_trans.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++
fs/xfs/xfs_trans.h | 3 +
3 files changed, 106 insertions(+), 29 deletions(-)
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1223,7 +1223,7 @@ xfs_link(
{
xfs_mount_t *mp = tdp->i_mount;
xfs_trans_t *tp;
- int error;
+ int error, nospace_error = 0;
int resblks;
trace_xfs_link(tdp, target_name);
@@ -1242,19 +1242,11 @@ xfs_link(
goto std_return;
resblks = XFS_LINK_SPACE_RES(mp, target_name->len);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, resblks, 0, 0, &tp);
- if (error == -ENOSPC) {
- resblks = 0;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_link, 0, 0, 0, &tp);
- }
+ error = xfs_trans_alloc_dir(tdp, &M_RES(mp)->tr_link, sip, &resblks,
+ &tp, &nospace_error);
if (error)
goto std_return;
- xfs_lock_two_inodes(sip, XFS_ILOCK_EXCL, tdp, XFS_ILOCK_EXCL);
-
- xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL);
-
error = xfs_iext_count_may_overflow(tdp, XFS_DATA_FORK,
XFS_IEXT_DIR_MANIP_CNT(mp));
if (error)
@@ -1312,6 +1304,8 @@ xfs_link(
error_return:
xfs_trans_cancel(tp);
std_return:
+ if (error == -ENOSPC && nospace_error)
+ error = nospace_error;
return error;
}
@@ -2761,6 +2755,7 @@ xfs_remove(
xfs_mount_t *mp = dp->i_mount;
xfs_trans_t *tp = NULL;
int is_dir = S_ISDIR(VFS_I(ip)->i_mode);
+ int dontcare;
int error = 0;
uint resblks;
@@ -2778,31 +2773,24 @@ xfs_remove(
goto std_return;
/*
- * We try to get the real space reservation first,
- * allowing for directory btree deletion(s) implying
- * possible bmap insert(s). If we can't get the space
- * reservation then we use 0 instead, and avoid the bmap
- * btree insert(s) in the directory code by, if the bmap
- * insert tries to happen, instead trimming the LAST
- * block from the directory.
+ * We try to get the real space reservation first, allowing for
+ * directory btree deletion(s) implying possible bmap insert(s). If we
+ * can't get the space reservation then we use 0 instead, and avoid the
+ * bmap btree insert(s) in the directory code by, if the bmap insert
+ * tries to happen, instead trimming the LAST block from the directory.
+ *
+ * Ignore EDQUOT and ENOSPC being returned via nospace_error because
+ * the directory code can handle a reservationless update and we don't
+ * want to prevent a user from trying to free space by deleting things.
*/
resblks = XFS_REMOVE_SPACE_RES(mp);
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, resblks, 0, 0, &tp);
- if (error == -ENOSPC) {
- resblks = 0;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_remove, 0, 0, 0,
- &tp);
- }
+ error = xfs_trans_alloc_dir(dp, &M_RES(mp)->tr_remove, ip, &resblks,
+ &tp, &dontcare);
if (error) {
ASSERT(error != -ENOSPC);
goto std_return;
}
- xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL);
-
- xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
- xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-
/*
* If we're removing a directory perform some additional validation.
*/
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -1201,3 +1201,89 @@ out_cancel:
xfs_trans_cancel(tp);
return error;
}
+
+/*
+ * Allocate an transaction, lock and join the directory and child inodes to it,
+ * and reserve quota for a directory update. If there isn't sufficient space,
+ * @dblocks will be set to zero for a reservationless directory update and
+ * @nospace_error will be set to a negative errno describing the space
+ * constraint we hit.
+ *
+ * The caller must ensure that the on-disk dquots attached to this inode have
+ * already been allocated and initialized. The ILOCKs will be dropped when the
+ * transaction is committed or cancelled.
+ */
+int
+xfs_trans_alloc_dir(
+ struct xfs_inode *dp,
+ struct xfs_trans_res *resv,
+ struct xfs_inode *ip,
+ unsigned int *dblocks,
+ struct xfs_trans **tpp,
+ int *nospace_error)
+{
+ struct xfs_trans *tp;
+ struct xfs_mount *mp = ip->i_mount;
+ unsigned int resblks;
+ bool retried = false;
+ int error;
+
+retry:
+ *nospace_error = 0;
+ resblks = *dblocks;
+ error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp);
+ if (error == -ENOSPC) {
+ *nospace_error = error;
+ resblks = 0;
+ error = xfs_trans_alloc(mp, resv, resblks, 0, 0, &tp);
+ }
+ if (error)
+ return error;
+
+ xfs_lock_two_inodes(dp, XFS_ILOCK_EXCL, ip, XFS_ILOCK_EXCL);
+
+ xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
+ xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+
+ error = xfs_qm_dqattach_locked(dp, false);
+ if (error) {
+ /* Caller should have allocated the dquots! */
+ ASSERT(error != -ENOENT);
+ goto out_cancel;
+ }
+
+ error = xfs_qm_dqattach_locked(ip, false);
+ if (error) {
+ /* Caller should have allocated the dquots! */
+ ASSERT(error != -ENOENT);
+ goto out_cancel;
+ }
+
+ if (resblks == 0)
+ goto done;
+
+ error = xfs_trans_reserve_quota_nblks(tp, dp, resblks, 0, false);
+ if (error == -EDQUOT || error == -ENOSPC) {
+ if (!retried) {
+ xfs_trans_cancel(tp);
+ xfs_blockgc_free_quota(dp, 0);
+ retried = true;
+ goto retry;
+ }
+
+ *nospace_error = error;
+ resblks = 0;
+ error = 0;
+ }
+ if (error)
+ goto out_cancel;
+
+done:
+ *tpp = tp;
+ *dblocks = resblks;
+ return 0;
+
+out_cancel:
+ xfs_trans_cancel(tp);
+ return error;
+}
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -265,6 +265,9 @@ int xfs_trans_alloc_icreate(struct xfs_m
int xfs_trans_alloc_ichange(struct xfs_inode *ip, struct xfs_dquot *udqp,
struct xfs_dquot *gdqp, struct xfs_dquot *pdqp, bool force,
struct xfs_trans **tpp);
+int xfs_trans_alloc_dir(struct xfs_inode *dp, struct xfs_trans_res *resv,
+ struct xfs_inode *ip, unsigned int *dblocks,
+ struct xfs_trans **tpp, int *nospace_error);
static inline void
xfs_trans_set_context(
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 238/244] xfs: reserve quota for target dir expansion when renaming files
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (236 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 237/244] xfs: reserve quota for dir expansion when linking/unlinking files Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 239/244] xfs: remove infinite loop when reserving free block pool Greg Kroah-Hartman
` (7 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Darrick J. Wong, Dave Chinner, Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 41667260bc84db4dfe566e3f6ab6da5293d60d8d ]
XFS does not reserve quota for directory expansion when renaming
children into a directory. This means that we don't reject the
expansion with EDQUOT when we're at or near a hard limit, which means
that unprivileged userspace can use rename() to exceed quota.
Rename operations don't always expand the target directory, and we allow
a rename to proceed with no space reservation if we don't need to add a
block to the target directory to handle the addition. Moreover, the
unlink operation on the source directory generally does not expand the
directory (you'd have to free a block and then cause a btree split) and
it's probably of little consequence to leave the corner case that
renaming a file out of a directory can increase its size.
As with link and unlink, there is a further bug in that we do not
trigger the blockgc workers to try to clear space when we're out of
quota.
Because rename is its own special tricky animal, we'll patch xfs_rename
directly to reserve quota to the rename transaction. We'll leave
cleaning up the rest of xfs_rename for the metadata directory tree
patchset.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_inode.c | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -3103,7 +3103,8 @@ xfs_rename(
bool new_parent = (src_dp != target_dp);
bool src_is_directory = S_ISDIR(VFS_I(src_ip)->i_mode);
int spaceres;
- int error;
+ bool retried = false;
+ int error, nospace_error = 0;
trace_xfs_rename(src_dp, target_dp, src_name, target_name);
@@ -3127,9 +3128,12 @@ xfs_rename(
xfs_sort_for_rename(src_dp, target_dp, src_ip, target_ip, wip,
inodes, &num_inodes);
+retry:
+ nospace_error = 0;
spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len);
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, spaceres, 0, 0, &tp);
if (error == -ENOSPC) {
+ nospace_error = error;
spaceres = 0;
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_rename, 0, 0, 0,
&tp);
@@ -3184,6 +3188,31 @@ xfs_rename(
spaceres);
/*
+ * Try to reserve quota to handle an expansion of the target directory.
+ * We'll allow the rename to continue in reservationless mode if we hit
+ * a space usage constraint. If we trigger reservationless mode, save
+ * the errno if there isn't any free space in the target directory.
+ */
+ if (spaceres != 0) {
+ error = xfs_trans_reserve_quota_nblks(tp, target_dp, spaceres,
+ 0, false);
+ if (error == -EDQUOT || error == -ENOSPC) {
+ if (!retried) {
+ xfs_trans_cancel(tp);
+ xfs_blockgc_free_quota(target_dp, 0);
+ retried = true;
+ goto retry;
+ }
+
+ nospace_error = error;
+ spaceres = 0;
+ error = 0;
+ }
+ if (error)
+ goto out_trans_cancel;
+ }
+
+ /*
* Check for expected errors before we dirty the transaction
* so we can return an error without a transaction abort.
*
@@ -3429,6 +3458,8 @@ out_trans_cancel:
out_release_wip:
if (wip)
xfs_irele(wip);
+ if (error == -ENOSPC && nospace_error)
+ error = nospace_error;
return error;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 239/244] xfs: remove infinite loop when reserving free block pool
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (237 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 238/244] xfs: reserve quota for target dir expansion when renaming files Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 240/244] xfs: always succeed at setting the reserve pool size Greg Kroah-Hartman
` (6 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Brian Foster, Darrick J. Wong, Dave Chinner,
Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 15f04fdc75aaaa1cccb0b8b3af1be290e118a7bc ]
Infinite loops in kernel code are scary. Calls to xfs_reserve_blocks
should be rare (people should just use the defaults!) so we really don't
need to try so hard. Simplify the logic here by removing the infinite
loop.
Cc: Brian Foster <bfoster@redhat.com>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_fsops.c | 50 ++++++++++++++++++++------------------------------
1 file changed, 20 insertions(+), 30 deletions(-)
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -430,46 +430,36 @@ xfs_reserve_blocks(
* If the request is larger than the current reservation, reserve the
* blocks before we update the reserve counters. Sample m_fdblocks and
* perform a partial reservation if the request exceeds free space.
+ *
+ * The code below estimates how many blocks it can request from
+ * fdblocks to stash in the reserve pool. This is a classic TOCTOU
+ * race since fdblocks updates are not always coordinated via
+ * m_sb_lock.
*/
- error = -ENOSPC;
- do {
- free = percpu_counter_sum(&mp->m_fdblocks) -
+ free = percpu_counter_sum(&mp->m_fdblocks) -
xfs_fdblocks_unavailable(mp);
- if (free <= 0)
- break;
-
- delta = request - mp->m_resblks;
- lcounter = free - delta;
- if (lcounter < 0)
- /* We can't satisfy the request, just get what we can */
- fdblks_delta = free;
- else
- fdblks_delta = delta;
-
+ delta = request - mp->m_resblks;
+ if (delta > 0 && free > 0) {
/*
* We'll either succeed in getting space from the free block
- * count or we'll get an ENOSPC. If we get a ENOSPC, it means
- * things changed while we were calculating fdblks_delta and so
- * we should try again to see if there is anything left to
- * reserve.
- *
- * Don't set the reserved flag here - we don't want to reserve
- * the extra reserve blocks from the reserve.....
+ * count or we'll get an ENOSPC. Don't set the reserved flag
+ * here - we don't want to reserve the extra reserve blocks
+ * from the reserve.
*/
+ fdblks_delta = min(free, delta);
spin_unlock(&mp->m_sb_lock);
error = xfs_mod_fdblocks(mp, -fdblks_delta, 0);
spin_lock(&mp->m_sb_lock);
- } while (error == -ENOSPC);
- /*
- * Update the reserve counters if blocks have been successfully
- * allocated.
- */
- if (!error && fdblks_delta) {
- mp->m_resblks += fdblks_delta;
- mp->m_resblks_avail += fdblks_delta;
+ /*
+ * Update the reserve counters if blocks have been successfully
+ * allocated.
+ */
+ if (!error) {
+ mp->m_resblks += fdblks_delta;
+ mp->m_resblks_avail += fdblks_delta;
+ }
}
-
out:
if (outval) {
outval->resblks = mp->m_resblks;
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 240/244] xfs: always succeed at setting the reserve pool size
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (238 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 239/244] xfs: remove infinite loop when reserving free block pool Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 241/244] xfs: fix overfilling of reserve pool Greg Kroah-Hartman
` (5 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Darrick J. Wong, Dave Chinner, Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 0baa2657dc4d79202148be79a3dc36c35f425060 ]
Nowadays, xfs_mod_fdblocks will always choose to fill the reserve pool
with freed blocks before adding to fdblocks. Therefore, we can change
the behavior of xfs_reserve_blocks slightly -- setting the target size
of the pool should always succeed, since a deficiency will eventually
be made up as blocks get freed.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_fsops.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -434,11 +434,14 @@ xfs_reserve_blocks(
* The code below estimates how many blocks it can request from
* fdblocks to stash in the reserve pool. This is a classic TOCTOU
* race since fdblocks updates are not always coordinated via
- * m_sb_lock.
+ * m_sb_lock. Set the reserve size even if there's not enough free
+ * space to fill it because mod_fdblocks will refill an undersized
+ * reserve when it can.
*/
free = percpu_counter_sum(&mp->m_fdblocks) -
xfs_fdblocks_unavailable(mp);
delta = request - mp->m_resblks;
+ mp->m_resblks = request;
if (delta > 0 && free > 0) {
/*
* We'll either succeed in getting space from the free block
@@ -455,10 +458,8 @@ xfs_reserve_blocks(
* Update the reserve counters if blocks have been successfully
* allocated.
*/
- if (!error) {
- mp->m_resblks += fdblks_delta;
+ if (!error)
mp->m_resblks_avail += fdblks_delta;
- }
}
out:
if (outval) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 241/244] xfs: fix overfilling of reserve pool
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (239 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 240/244] xfs: always succeed at setting the reserve pool size Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 242/244] xfs: fix soft lockup via spinning in filestream ag selection loop Greg Kroah-Hartman
` (4 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Darrick J. Wong, Dave Chinner, Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 82be38bcf8a2e056b4c99ce79a3827fa743df6ec ]
Due to cycling of m_sb_lock, it's possible for multiple callers of
xfs_reserve_blocks to race at changing the pool size, subtracting blocks
from fdblocks, and actually putting it in the pool. The result of all
this is that we can overfill the reserve pool to hilarious levels.
xfs_mod_fdblocks, when called with a positive value, already knows how
to take freed blocks and either fill the reserve until it's full, or put
them in fdblocks. Use that instead of setting m_resblks_avail directly.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_fsops.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -448,18 +448,17 @@ xfs_reserve_blocks(
* count or we'll get an ENOSPC. Don't set the reserved flag
* here - we don't want to reserve the extra reserve blocks
* from the reserve.
+ *
+ * The desired reserve size can change after we drop the lock.
+ * Use mod_fdblocks to put the space into the reserve or into
+ * fdblocks as appropriate.
*/
fdblks_delta = min(free, delta);
spin_unlock(&mp->m_sb_lock);
error = xfs_mod_fdblocks(mp, -fdblks_delta, 0);
- spin_lock(&mp->m_sb_lock);
-
- /*
- * Update the reserve counters if blocks have been successfully
- * allocated.
- */
if (!error)
- mp->m_resblks_avail += fdblks_delta;
+ xfs_mod_fdblocks(mp, fdblks_delta, 0);
+ spin_lock(&mp->m_sb_lock);
}
out:
if (outval) {
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 242/244] xfs: fix soft lockup via spinning in filestream ag selection loop
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (240 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 241/244] xfs: fix overfilling of reserve pool Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 243/244] xfs: revert "xfs: actually bump warning counts when we send warnings" Greg Kroah-Hartman
` (3 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Brian Foster, Darrick J. Wong,
Christoph Hellwig, Dave Chinner, Leah Rumancik
From: Brian Foster <bfoster@redhat.com>
[ Upstream commit f650df7171b882dca737ddbbeb414100b31f16af ]
The filestream AG selection loop uses pagf data to aid in AG
selection, which depends on pagf initialization. If the in-core
structure is not initialized, the caller invokes the AGF read path
to do so and carries on. If another task enters the loop and finds
a pagf init already in progress, the AGF read returns -EAGAIN and
the task continues the loop. This does not increment the current ag
index, however, which means the task spins on the current AGF buffer
until unlocked.
If the AGF read I/O submitted by the initial task happens to be
delayed for whatever reason, this results in soft lockup warnings
via the spinning task. This is reproduced by xfs/170. To avoid this
problem, fix the AGF trylock failure path to properly iterate to the
next AG. If a task iterates all AGs without making progress, the
trylock behavior is dropped in favor of blocking locks and thus a
soft lockup is no longer possible.
Fixes: f48e2df8a877ca1c ("xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers")
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_filestream.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/fs/xfs/xfs_filestream.c
+++ b/fs/xfs/xfs_filestream.c
@@ -128,11 +128,12 @@ xfs_filestream_pick_ag(
if (!pag->pagf_init) {
err = xfs_alloc_pagf_init(mp, NULL, ag, trylock);
if (err) {
- xfs_perag_put(pag);
- if (err != -EAGAIN)
+ if (err != -EAGAIN) {
+ xfs_perag_put(pag);
return err;
+ }
/* Couldn't lock the AGF, skip this AG. */
- continue;
+ goto next_ag;
}
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 243/244] xfs: revert "xfs: actually bump warning counts when we send warnings"
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (241 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 242/244] xfs: fix soft lockup via spinning in filestream ag selection loop Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 8:26 ` [PATCH 5.15 244/244] xfs: reject crazy array sizes being fed to XFS_IOC_GETBMAP* Greg Kroah-Hartman
` (2 subsequent siblings)
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Eric Sandeen, Darrick J. Wong, Dave Chinner,
Dave Chinner, Leah Rumancik
From: Eric Sandeen <sandeen@redhat.com>
[ Upstream commit bc37e4fb5cac2925b2e286b1f1d4fc2b519f7d92 ]
This reverts commit 4b8628d57b725b32616965e66975fcdebe008fe7.
XFS quota has had the concept of a "quota warning limit" since
the earliest Irix implementation, but a mechanism for incrementing
the warning counter was never implemented, as documented in the
xfs_quota(8) man page. We do know from the historical archive that
it was never incremented at runtime during quota reservation
operations.
With this commit, the warning counter quickly increments for every
allocation attempt after the user has crossed a quote soft
limit threshold, and this in turn transitions the user to hard
quota failures, rendering soft quota thresholds and timers useless.
This was reported as a regression by users.
Because the intended behavior of this warning counter has never been
understood or documented, and the result of this change is a regression
in soft quota functionality, revert this commit to make soft quota
limits and timers operable again.
Fixes: 4b8628d57b72 ("xfs: actually bump warning counts when we send warnings)
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_trans_dquot.c | 1 -
1 file changed, 1 deletion(-)
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -603,7 +603,6 @@ xfs_dqresv_check(
return QUOTA_NL_ISOFTLONGWARN;
}
- res->warnings++;
return QUOTA_NL_ISOFTWARN;
}
^ permalink raw reply [flat|nested] 247+ messages in thread* [PATCH 5.15 244/244] xfs: reject crazy array sizes being fed to XFS_IOC_GETBMAP*
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (242 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 243/244] xfs: revert "xfs: actually bump warning counts when we send warnings" Greg Kroah-Hartman
@ 2022-08-23 8:26 ` Greg Kroah-Hartman
2022-08-23 21:19 ` [PATCH 5.15 000/244] 5.15.63-rc1 review Guenter Roeck
2022-08-23 21:46 ` Shuah Khan
245 siblings, 0 replies; 247+ messages in thread
From: Greg Kroah-Hartman @ 2022-08-23 8:26 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Greg Kroah-Hartman, Darrick J. Wong, Allison Henderson,
Catherine Hoang, Leah Rumancik
From: "Darrick J. Wong" <djwong@kernel.org>
[ Upstream commit 29d650f7e3ab55283b89c9f5883d0c256ce478b5 ]
Syzbot tripped over the following complaint from the kernel:
WARNING: CPU: 2 PID: 15402 at mm/util.c:597 kvmalloc_node+0x11e/0x125 mm/util.c:597
While trying to run XFS_IOC_GETBMAP against the following structure:
struct getbmap fubar = {
.bmv_count = 0x22dae649,
};
Obviously, this is a crazy huge value since the next thing that the
ioctl would do is allocate 37GB of memory. This is enough to make
kvmalloc mad, but isn't large enough to trip the validation functions.
In other words, I'm fussing with checks that were **already sufficient**
because that's easier than dealing with 644 internal bug reports. Yes,
that's right, six hundred and forty-four.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Catherine Hoang <catherine.hoang@oracle.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/xfs/xfs_ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1545,7 +1545,7 @@ xfs_ioc_getbmap(
if (bmx.bmv_count < 2)
return -EINVAL;
- if (bmx.bmv_count > ULONG_MAX / recsize)
+ if (bmx.bmv_count >= INT_MAX / recsize)
return -ENOMEM;
buf = kvzalloc(bmx.bmv_count * sizeof(*buf), GFP_KERNEL);
^ permalink raw reply [flat|nested] 247+ messages in thread* Re: [PATCH 5.15 000/244] 5.15.63-rc1 review
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (243 preceding siblings ...)
2022-08-23 8:26 ` [PATCH 5.15 244/244] xfs: reject crazy array sizes being fed to XFS_IOC_GETBMAP* Greg Kroah-Hartman
@ 2022-08-23 21:19 ` Guenter Roeck
2022-08-23 21:46 ` Shuah Khan
245 siblings, 0 replies; 247+ messages in thread
From: Guenter Roeck @ 2022-08-23 21:19 UTC (permalink / raw)
To: Greg Kroah-Hartman
Cc: linux-kernel, stable, torvalds, akpm, shuah, patches,
lkft-triage, pavel, jonathanh, f.fainelli, sudipm.mukherjee,
slade
On Tue, Aug 23, 2022 at 10:22:39AM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.63 release.
> There are 244 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 25 Aug 2022 08:00:15 +0000.
> Anything received after that time might be too late.
>
Build results:
total: 159 pass: 158 fail: 1
Failed builds:
um:defconfig
Qemu test results:
total: 485 pass: 485 fail: 0
arch/um/kernel/um_arch.c:440:6: error: redefinition of 'apply_returns'
Guenter
^ permalink raw reply [flat|nested] 247+ messages in thread* Re: [PATCH 5.15 000/244] 5.15.63-rc1 review
2022-08-23 8:22 [PATCH 5.15 000/244] 5.15.63-rc1 review Greg Kroah-Hartman
` (244 preceding siblings ...)
2022-08-23 21:19 ` [PATCH 5.15 000/244] 5.15.63-rc1 review Guenter Roeck
@ 2022-08-23 21:46 ` Shuah Khan
245 siblings, 0 replies; 247+ messages in thread
From: Shuah Khan @ 2022-08-23 21:46 UTC (permalink / raw)
To: Greg Kroah-Hartman, linux-kernel
Cc: stable, torvalds, akpm, linux, shuah, patches, lkft-triage,
pavel, jonathanh, f.fainelli, sudipm.mukherjee, slade,
Shuah Khan
On 8/23/22 2:22 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.63 release.
> There are 244 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Thu, 25 Aug 2022 08:00:15 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.63-rc1.gz
> or in the git tree and branch at:
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
Compiled and booted on my test system. No dmesg regressions.
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
thanks,
-- Shuah
^ permalink raw reply [flat|nested] 247+ messages in thread