From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Tyrel Datwyler <tyreld@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4 031/111] scsi: ibmvscsi: Fix WARN_ON during event pool release
Date: Tue, 26 May 2020 20:52:49 +0200 [thread overview]
Message-ID: <20200526183935.754585837@linuxfoundation.org> (raw)
In-Reply-To: <20200526183932.245016380@linuxfoundation.org>
From: Tyrel Datwyler <tyreld@linux.ibm.com>
[ Upstream commit b36522150e5b85045f868768d46fbaaa034174b2 ]
While removing an ibmvscsi client adapter a WARN_ON like the following is
seen in the kernel log:
drmgr: drmgr: -r -c slot -s U9080.M9S.783AEC8-V11-C11 -w 5 -d 1
WARNING: CPU: 9 PID: 24062 at ../kernel/dma/mapping.c:311 dma_free_attrs+0x78/0x110
Supported: No, Unreleased kernel
CPU: 9 PID: 24062 Comm: drmgr Kdump: loaded Tainted: G X 5.3.18-12-default
NIP: c0000000001fa758 LR: c0000000001fa744 CTR: c0000000001fa6e0
REGS: c0000002173375d0 TRAP: 0700 Tainted: G X (5.3.18-12-default)
MSR: 8000000000029033 <SF,EE,ME,IR,DR,RI,LE> CR: 28088282 XER: 20000000
CFAR: c0000000001fbf0c IRQMASK: 1
GPR00: c0000000001fa744 c000000217337860 c00000000161ab00 0000000000000000
GPR04: 0000000000000000 c000011e12250000 0000000018010000 0000000000000000
GPR08: 0000000000000000 0000000000000001 0000000000000001 c0080000190f4fa8
GPR12: c0000000001fa6e0 c000000007fc2a00 0000000000000000 0000000000000000
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
GPR24: 000000011420e310 0000000000000000 0000000000000000 0000000018010000
GPR28: c00000000159de50 c000011e12250000 0000000000006600 c000011e5c994848
NIP [c0000000001fa758] dma_free_attrs+0x78/0x110
LR [c0000000001fa744] dma_free_attrs+0x64/0x110
Call Trace:
[c000000217337860] [000000011420e310] 0x11420e310 (unreliable)
[c0000002173378b0] [c0080000190f0280] release_event_pool+0xd8/0x120 [ibmvscsi]
[c000000217337930] [c0080000190f3f74] ibmvscsi_remove+0x6c/0x160 [ibmvscsi]
[c000000217337960] [c0000000000f3cac] vio_bus_remove+0x5c/0x100
[c0000002173379a0] [c00000000087a0a4] device_release_driver_internal+0x154/0x280
[c0000002173379e0] [c0000000008777cc] bus_remove_device+0x11c/0x220
[c000000217337a60] [c000000000870fc4] device_del+0x1c4/0x470
[c000000217337b10] [c0000000008712a0] device_unregister+0x30/0xa0
[c000000217337b80] [c0000000000f39ec] vio_unregister_device+0x2c/0x60
[c000000217337bb0] [c00800001a1d0964] dlpar_remove_slot+0x14c/0x250 [rpadlpar_io]
[c000000217337c50] [c00800001a1d0bcc] remove_slot_store+0xa4/0x110 [rpadlpar_io]
[c000000217337cd0] [c000000000c091a0] kobj_attr_store+0x30/0x50
[c000000217337cf0] [c00000000057c934] sysfs_kf_write+0x64/0x90
[c000000217337d10] [c00000000057be10] kernfs_fop_write+0x1b0/0x290
[c000000217337d60] [c000000000488c4c] __vfs_write+0x3c/0x70
[c000000217337d80] [c00000000048c648] vfs_write+0xd8/0x260
[c000000217337dd0] [c00000000048ca8c] ksys_write+0xdc/0x130
[c000000217337e20] [c00000000000b488] system_call+0x5c/0x70
Instruction dump:
7c840074 f8010010 f821ffb1 20840040 eb830218 7c8407b4 48002019 60000000
2fa30000 409e003c 892d0988 792907e0 <0b090000> 2fbd0000 419e0028 2fbc0000
---[ end trace 5955b3c0cc079942 ]---
rpadlpar_io: slot U9080.M9S.783AEC8-V11-C11 removed
This is tripped as a result of irqs being disabled during the call to
dma_free_coherent() by release_event_pool(). At this point in the code path
we have quiesced the adapter and it is overly paranoid to be holding the
host lock.
[mkp: fixed build warning reported by sfr]
Link: https://lore.kernel.org/r/1588027793-17952-1-git-send-email-tyreld@linux.ibm.com
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/ibmvscsi/ibmvscsi.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 7f66a7783209..59f0f1030c54 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -2320,16 +2320,12 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
static int ibmvscsi_remove(struct vio_dev *vdev)
{
struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
- unsigned long flags;
srp_remove_host(hostdata->host);
scsi_remove_host(hostdata->host);
purge_requests(hostdata, DID_ERROR);
-
- spin_lock_irqsave(hostdata->host->host_lock, flags);
release_event_pool(&hostdata->pool, hostdata);
- spin_unlock_irqrestore(hostdata->host->host_lock, flags);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
max_events);
--
2.25.1
next prev parent reply other threads:[~2020-05-26 19:08 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 18:52 [PATCH 5.4 000/111] 5.4.43-rc1 review Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 001/111] i2c: dev: Fix the race between the release of i2c_dev and cdev Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 002/111] KVM: SVM: Fix potential memory leak in svm_cpu_init() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 003/111] ima: Set file->f_mode instead of file->f_flags in ima_calc_file_hash() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 004/111] evm: Check also if *tfm is an error pointer in init_desc() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 005/111] ima: Fix return value of ima_write_policy() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 006/111] ubifs: fix wrong use of crypto_shash_descsize() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 007/111] ACPI: EC: PM: Avoid flushing EC work when EC GPE is inactive Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 008/111] mtd: spinand: Propagate ECC information to the MTD structure Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 009/111] fix multiplication overflow in copy_fdtable() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 010/111] ubifs: remove broken lazytime support Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 011/111] i2c: fix missing pm_runtime_put_sync in i2c_device_probe Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 012/111] iommu/amd: Fix over-read of ACPI UID from IVRS table Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 013/111] evm: Fix a small race in init_desc() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 014/111] i2c: mux: demux-pinctrl: Fix an error handling path in i2c_demux_pinctrl_probe() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 015/111] ubi: Fix seq_file usage in detailed_erase_block_info debugfs file Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 016/111] afs: Dont unlock fetched data pages until the op completes successfully Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 017/111] mtd: Fix mtd not registered due to nvmem name collision Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 018/111] kbuild: avoid concurrency issue in parallel building dtbs and dtbs_check Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 019/111] net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 020/111] gcc-common.h: Update for GCC 10 Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 021/111] HID: multitouch: add eGalaxTouch P80H84 support Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 022/111] HID: alps: Add AUI1657 device ID Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 023/111] HID: alps: ALPS_1657 is too specific; use U1_UNICORN_LEGACY instead Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 024/111] scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 025/111] scsi: qla2xxx: Delete all sessions before unregister local nvme port Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 026/111] configfs: fix config_item refcnt leak in configfs_rmdir() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 027/111] vhost/vsock: fix packet delivery order to monitoring devices Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 028/111] aquantia: Fix the media type of AQC100 ethernet controller in the driver Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 029/111] component: Silence bind error on -EPROBE_DEFER Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 030/111] net/ena: Fix build warning in ena_xdp_set() Greg Kroah-Hartman
2020-05-26 18:52 ` Greg Kroah-Hartman [this message]
2020-05-26 18:52 ` [PATCH 5.4 032/111] HID: i2c-hid: reset Synaptics SYNA2393 on resume Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 033/111] x86/mm/cpa: Flush direct map alias during cpa Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 034/111] ibmvnic: Skip fatal error reset after passive init Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 035/111] ftrace/selftest: make unresolved cases cause failure if --fail-unresolved set Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 036/111] x86/apic: Move TSC deadline timer debug printk Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 037/111] gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 038/111] HID: quirks: Add HID_QUIRK_NO_INIT_REPORTS quirk for Dell K12A keyboard-dock Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 039/111] ceph: fix double unlock in handle_cap_export() Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 040/111] stmmac: fix pointer check after utilization in stmmac_interrupt Greg Kroah-Hartman
2020-05-26 18:52 ` [PATCH 5.4 041/111] USB: core: Fix misleading driver bug report Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 042/111] platform/x86: asus-nb-wmi: Do not load on Asus T100TA and T200TA Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 043/111] iommu/amd: Call domain_flush_complete() in update_domain() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 044/111] drm/amd/display: Prevent dpcd reads with passive dongles Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 045/111] KVM: selftests: Fix build for evmcs.h Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 046/111] ARM: futex: Address build warning Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 047/111] scripts/gdb: repair rb_first() and rb_last() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 048/111] ALSA: hda - constify and cleanup static NodeID tables Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 049/111] ALSA: hda: patch_realtek: fix empty macro usage in if block Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 050/111] ALSA: hda: Manage concurrent reg access more properly Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 051/111] ALSA: hda/realtek - Add supported new mute Led for HP Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 052/111] ALSA: hda/realtek - Add HP new mute led supported for ALC236 Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 053/111] ALSA: hda/realtek: Add quirk for Samsung Notebook Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 054/111] ALSA: hda/realtek - Enable headset mic of ASUS GL503VM with ALC295 Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 055/111] ALSA: hda/realtek - Enable headset mic of ASUS UX550GE " Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 056/111] ALSA: hda/realtek: Enable headset mic of ASUS UX581LV " Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 057/111] KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 058/111] ALSA: iec1712: Initialize STDSP24 properly when using the model=staudio option Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 059/111] ALSA: pcm: fix incorrect hw_base increase Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 060/111] ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Xtreme Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 061/111] ALSA: hda/realtek - Add more fixup entries for Clevo machines Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 062/111] scsi: qla2xxx: Do not log message when reading port speed via sysfs Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 063/111] scsi: target: Put lun_ref at end of tmr processing Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 064/111] arm64: Fix PTRACE_SYSEMU semantics Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 065/111] drm/etnaviv: fix perfmon domain interation Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 066/111] apparmor: Fix use-after-free in aa_audit_rule_init Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 067/111] apparmor: fix potential label refcnt leak in aa_change_profile Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 068/111] apparmor: Fix aa_label refcnt leak in policy_update Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 069/111] dmaengine: tegra210-adma: Fix an error handling path in tegra_adma_probe() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 070/111] drm/etnaviv: Fix a leak in submit_pin_objects() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 071/111] dmaengine: dmatest: Restore default for channel Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 072/111] dmaengine: owl: Use correct lock in owl_dma_get_pchan() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 073/111] vsprintf: dont obfuscate NULL and error pointers Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 074/111] drm/i915/gvt: Init DPLL/DDI vreg for virtual display instead of inheritance Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 075/111] drm/i915: Propagate error from completed fences Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 076/111] powerpc: Remove STRICT_KERNEL_RWX incompatibility with RELOCATABLE Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 077/111] powerpc/64s: Disable STRICT_KERNEL_RWX Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 078/111] bpf: Avoid setting bpf insns pages read-only when prog is jited Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 079/111] kbuild: Remove debug info from kallsyms linking Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 080/111] Revert "gfs2: Dont demote a glock until its revokes are written" Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 081/111] media: fdp1: Fix R-Car M3-N naming in debug message Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 082/111] staging: iio: ad2s1210: Fix SPI reading Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 083/111] staging: kpc2000: fix error return code in kp2000_pcie_probe() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 084/111] staging: greybus: Fix uninitialized scalar variable Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 085/111] iio: sca3000: Remove an erroneous get_device() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 086/111] iio: dac: vf610: Fix an error handling path in vf610_dac_probe() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 087/111] iio: adc: ti-ads8344: Fix channel selection Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 088/111] misc: rtsx: Add short delay after exit from ASPM Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 089/111] tty: serial: add missing spin_lock_init for SiFive serial console Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 090/111] mei: release me_cl object reference Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 091/111] ipack: tpci200: fix error return code in tpci200_register() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 092/111] s390/pci: Fix s390_mmio_read/write with MIO Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 093/111] s390/kaslr: add support for R_390_JMP_SLOT relocation type Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 094/111] device-dax: dont leak kernel memory to user space after unloading kmem Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 095/111] rapidio: fix an error in get_user_pages_fast() error handling Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 096/111] kasan: disable branch tracing for core runtime Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 097/111] rxrpc: Fix the excessive initial retransmission timeout Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 098/111] rxrpc: Fix a memory leak in rxkad_verify_response() Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 099/111] s390/kexec_file: fix initrd location for kdump kernel Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 100/111] flow_dissector: Drop BPF flow dissector prog ref on netns cleanup Greg Kroah-Hartman
2020-05-26 18:53 ` [PATCH 5.4 101/111] x86/unwind/orc: Fix unwind_get_return_address_ptr() for inactive tasks Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 102/111] iio: adc: stm32-adc: Use dma_request_chan() instead dma_request_slave_channel() Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 103/111] iio: adc: stm32-adc: fix device used to request dma Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 104/111] iio: adc: stm32-dfsdm: Use dma_request_chan() instead dma_request_slave_channel() Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 105/111] iio: adc: stm32-dfsdm: fix device used to request dma Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 106/111] rxrpc: Trace discarded ACKs Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 107/111] rxrpc: Fix ack discard Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 108/111] tpm: check event log version before reading final events Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 109/111] sched/fair: Reorder enqueue/dequeue_task_fair path Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 110/111] sched/fair: Fix reordering of enqueue/dequeue_task_fair() Greg Kroah-Hartman
2020-05-26 18:54 ` [PATCH 5.4 111/111] sched/fair: Fix enqueue_task_fair() warning some more Greg Kroah-Hartman
2020-05-27 8:25 ` [PATCH 5.4 000/111] 5.4.43-rc1 review Naresh Kamboju
2020-05-27 8:34 ` Jon Hunter
2020-05-27 13:53 ` Guenter Roeck
2020-05-27 16:34 ` shuah
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