* [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2)
@ 2024-03-30 11:02 ` syzbot
0 siblings, 0 replies; 8+ messages in thread
From: syzbot @ 2024-03-30 11:02 UTC (permalink / raw)
To: davem, edumazet, krzysztof.kozlowski, kuba, linux-kernel, netdev,
pabeni, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 707081b61156 Merge branch 'for-next/core', remote-tracking..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12ae3185180000
kernel config: https://syzkaller.appspot.com/x/.config?x=caeac3f3565b057a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6cad68bf7532/disk-707081b6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1a27e5400778/vmlinux-707081b6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/67dfc53755d0/Image-707081b6.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: ffff0000d7f664f4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2283
hardirqs last enabled at (2283): [<ffff800080297cac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline]
hardirqs last enabled at (2283): [<ffff800080297cac>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5154
hardirqs last disabled at (2282): [<ffff80008ae46784>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last enabled at (546): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (544): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address dfff800000000018
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Tainted: G W 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: 00000000000000c4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000018 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 34000ee8 aa1f03e8 91031113 d343fe68 (38ec6908)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 34000ee8 cbz w8, 0x1dc
4: aa1f03e8 mov x8, xzr
8: 91031113 add x19, x8, #0xc4
c: d343fe68 lsr x8, x19, #3
* 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 8+ messages in thread
* [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2)
@ 2024-03-30 11:02 ` syzbot
0 siblings, 0 replies; 8+ messages in thread
From: syzbot @ 2024-03-30 11:02 UTC (permalink / raw)
To: davem, edumazet, krzysztof.kozlowski, kuba, linux-kernel, netdev,
pabeni, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 707081b61156 Merge branch 'for-next/core', remote-tracking..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12ae3185180000
kernel config: https://syzkaller.appspot.com/x/.config?x=caeac3f3565b057a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6cad68bf7532/disk-707081b6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1a27e5400778/vmlinux-707081b6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/67dfc53755d0/Image-707081b6.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: ffff0000d7f664f4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2283
hardirqs last enabled at (2283): [<ffff800080297cac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline]
hardirqs last enabled at (2283): [<ffff800080297cac>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5154
hardirqs last disabled at (2282): [<ffff80008ae46784>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last enabled at (546): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (544): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address dfff800000000018
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Tainted: G W 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: 00000000000000c4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000018 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 34000ee8 aa1f03e8 91031113 d343fe68 (38ec6908)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 34000ee8 cbz w8, 0x1dc
4: aa1f03e8 mov x8, xzr
8: 91031113 add x19, x8, #0xc4
c: d343fe68 lsr x8, x19, #3
* 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
X-sender: <netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org>
X-Receiver: <steffen.klassert@secunet.com> ORCPT=rfc822;steffen.klassert@secunet.com NOTIFY=NEVER; X-ExtendedProps=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
X-CreatedBy: MSExchange15
X-HeloDomain: b.mx.secunet.com
X-ExtendedProps: BQBjAAoAD9Pp8x1Q3AgFAGEACAABAAAABQA3AAIAAA8APAAAAE1pY3Jvc29mdC5FeGNoYW5nZS5UcmFuc3BvcnQuTWFpbFJlY2lwaWVudC5Pcmdhbml6YXRpb25TY29wZREAAAAAAAAAAAAAAAAAAAAAAAUASQACAAEFAGIACgAYAAAAmYoAAAUABAAUIAEAAAAcAAAAc3RlZmZlbi5rbGFzc2VydEBzZWN1bmV0LmNvbQUABgACAAEFACkAAgABDwAJAAAAQ0lBdWRpdGVkAgABBQACAAcAAQAAAAUAAwAHAAAAAAAFAAUAAgABBQBkAA8AAwAAAEh1Yg==
X-Source: SMTP:Default MBX-DRESDEN-01
X-SourceIPAddress: 62.96.220.37
X-EndOfInjectedXHeaders: 24740
Received: from cas-essen-02.secunet.de (10.53.40.202) by
mbx-dresden-01.secunet.de (10.53.40.199) with Microsoft SMTP Server
(version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
15.1.2507.37; Sat, 30 Mar 2024 12:02:38 +0100
Received: from b.mx.secunet.com (62.96.220.37) by cas-essen-02.secunet.de
(10.53.40.202) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend
Transport; Sat, 30 Mar 2024 12:02:38 +0100
Received: from localhost (localhost [127.0.0.1])
by b.mx.secunet.com (Postfix) with ESMTP id 45C052025D
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 12:02:38 +0100 (CET)
X-Virus-Scanned: by secunet
X-Spam-Flag: NO
X-Spam-Score: -2.446
X-Spam-Level:
X-Spam-Status: No, score=-2.446 tagged_above=-999 required=2.1
tests=[BAYES_00=-1.9, FROM_LOCAL_HEX=0.006,
HEADER_FROM_DIFFERENT_DOMAINS=0.249, MAILING_LIST_MULTI=-1,
RCVD_IN_DNSWL_MED=-2.3, SORTED_RECIPS=2.499, SPF_HELO_NONE=0.001,
SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from b.mx.secunet.com ([127.0.0.1])
by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024)
with ESMTP id U_HQH-_t2Beg for <steffen.klassert@secunet.com>;
Sat, 30 Mar 2024 12:02:37 +0100 (CET)
Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=139.178.88.99; helo=sv.mirrors.kernel.org; envelope-from=netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org; receiver=steffen.klassert@secunet.com
DKIM-Filter: OpenDKIM Filter v2.11.0 b.mx.secunet.com A9F0D20322
Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [139.178.88.99])
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
(No client certificate requested)
by b.mx.secunet.com (Postfix) with ESMTPS id A9F0D20322
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 12:02:36 +0100 (CET)
Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140])
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
(No client certificate requested)
by sv.mirrors.kernel.org (Postfix) with ESMTPS id B88E52832B5
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 11:02:34 +0000 (UTC)
Received: from localhost.localdomain (localhost.localdomain [127.0.0.1])
by smtp.subspace.kernel.org (Postfix) with ESMTP id 88C3A2BAF6;
Sat, 30 Mar 2024 11:02:28 +0000 (UTC)
X-Original-To: netdev@vger.kernel.org
Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200])
(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
(No client certificate requested)
by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D0C217745
for <netdev@vger.kernel.org>; Sat, 30 Mar 2024 11:02:26 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200
ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
t=1711796548; cv=none; b=PosxYqb1zAY/YDAhdASyjwR3d02h4pA4RJzdPR+plZUs9RfH5g8OtO2sBS2TnFf98Yce0jYp5FEJEnmSSnp3KZ9sxciz2ioegNK09cd1ej9m3RbtAYYwQtRYnT1F9Ky3qPpFAh/LSW+6jZrDm7xL/XdWDYJOLr3zo4Dv18vK3yw=
ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org;
s=arc-20240116; t=1711796548; c=relaxed/simple;
bh=yPcfTvipI2/+vcDGEXJhfS40amnwmytukAZNlZ00LQs=;
h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=qExrOcNVU+859vmsVDqF7BLLwYxKZvZLmhoT5Y0laDAa2J2Qoqzq78Zfk4THLzVX2U/bVN3peeWOLWmacwbOfwVSJnao0hUTzj7M5P6/PMHiPae567nKqCCXvLko87onfk5ZXpnPV4Ij1btQLoTlM8k6FKrOu+nho0M+nol+jVQ=
ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200
Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com
Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com
Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-36854f4e9b3so25783045ab.2
for <netdev@vger.kernel.org>; Sat, 30 Mar 2024 04:02:26 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20230601; t=1711796545; x=1712401345;
h=to:from:subject:message-id:date:mime-version:x-gm-message-state
:from:to:cc:subject:date:message-id:reply-to;
bh=53tpjewSWu0Vresc93uaKcyJznO8Iz9abIky6N2xuK8=;
b=Lemjv6aYFA/ePK7C2eMHpA3UmYM2ypJnPjfwM478q1hTiEXhT6RDJ1EonEMBjWLavM
gKCvS9crJbn2WxMn6E9+xnzWhBbRxNQ34VluwhgRjQPr8sjckRnwvgkuju6ZxRZ0O+2L
NeG/VgZyzjiIv7e3eCn8xLNYlpZhGPk4HEfHtu+OBXU5cLBCI/i3P7IFn2xjm9u4ai8O
y+tGs2BbALLn9GEKvUmaTxaGU0J7/3Bu0atXrxyKY2OWzFXk5ux/++8X90FNkM+RleQB
S7XCRlRPtZ0GGSPOK9Gw4Ik02d5Atbm4VlH09mzd0xkpEsEusleFBKlWtB11EsyEUQDT
fgFg==
X-Forwarded-Encrypted: i=1; AJvYcCV/6QrjSwqi4gGxUzVso4hdZRNXb19ibQKeEqVeXP7Vn/YecPpcxyILHoESrkx9g+WincGJTOSMpdG9Hocm4nat1ibCplm0
X-Gm-Message-State: AOJu0YxX8znVuVSNHyk4q7Qg/juCPMbuw6f4ConwHSvpxphntVCtBzky
zJ9fQcBUj+PNO0N195aTQOE3w8s5t/AtYx9/UFenDRIVdEfHi8jE3CJuH1D9G0b+m/8SCFSQwdt
+AjmnSadxsSAK8axoefcYjIHJrRr5MR1uiBEZRFiQSojfmiP5LaHNtTQ=
X-Google-Smtp-Source: AGHT+IHv69JzOfvTT29TShFoM/iodtSW6dmhPzDpDQg2zztHr8hSEYTmewIQpE/qHaWyeJ9BmGXrYmPL7FCNH6qlTCEmh8lPzblN
Precedence: bulk
X-Mailing-List: netdev@vger.kernel.org
List-Id: <netdev.vger.kernel.org>
List-Subscribe: <mailto:netdev+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:netdev+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-Received: by 2002:a05:6e02:1985:b0:368:8135:4559 with SMTP id
g5-20020a056e02198500b0036881354559mr352355ilf.6.1711796545698; Sat, 30 Mar
2024 04:02:25 -0700 (PDT)
Date: Sat, 30 Mar 2024 04:02:25 -0700
X-Google-Appengine-App-Id: s~syzkaller
X-Google-Appengine-App-Id-Alias: syzkaller
Message-ID: <00000000000008cd6e0614deb1db@google.com>
Subject: [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2)
From: syzbot <syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com>
To: <davem@davemloft.net>, <edumazet@google.com>,
<krzysztof.kozlowski@linaro.org>, <kuba@kernel.org>,
<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<pabeni@redhat.com>, <syzkaller-bugs@googlegroups.com>
Content-Type: text/plain; charset="UTF-8"
Return-Path: netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org
X-MS-Exchange-Organization-OriginalArrivalTime: 30 Mar 2024 11:02:38.3244
(UTC)
X-MS-Exchange-Organization-Network-Message-Id: 0f717a41-2bff-429e-aa5c-08dc50a8e993
X-MS-Exchange-Organization-OriginalClientIPAddress: 62.96.220.37
X-MS-Exchange-Organization-OriginalServerIPAddress: 10.53.40.202
X-MS-Exchange-Organization-Cross-Premises-Headers-Processed: cas-essen-02.secunet.de
X-MS-Exchange-Organization-OrderedPrecisionLatencyInProgress: LSRV=mbx-dresden-01.secunet.de:TOTAL-HUB=0.399|SMR=0.341(SMRDE=0.035|SMRC=0.305(SMRCL=0.102|X-SMRCR=0.306))|CAT=0.057(CATOS=0.012
(CATSM=0.011(CATSM-Malware
Agent=0.011))|CATRESL=0.022(CATRESLP2R=0.001)|CATORES=0.021
(CATRS=0.021(CATRS-Index Routing Agent=0.020)));2024-03-30T11:02:38.758Z
X-MS-Exchange-Forest-ArrivalHubServer: mbx-dresden-01.secunet.de
X-MS-Exchange-Organization-AuthSource: cas-essen-02.secunet.de
X-MS-Exchange-Organization-AuthAs: Anonymous
X-MS-Exchange-Organization-FromEntityHeader: Internet
X-MS-Exchange-Organization-OriginalSize: 15532
X-MS-Exchange-Organization-HygienePolicy: Standard
X-MS-Exchange-Organization-MessageLatency: SRV=cas-essen-02.secunet.de:TOTAL-FE=0.035|SMR=0.024(SMRPI=0.022(SMRPI-FrontendProxyAgent=0.022))|SMS=0.010
X-MS-Exchange-Organization-AVStamp-Enterprise: 1.0
X-MS-Exchange-Organization-Recipient-Limit-Verified: True
X-MS-Exchange-Organization-TotalRecipientCount: 1
X-MS-Exchange-Organization-Rules-Execution-History: 0b0cf904-14ac-4724-8bdf-482ee6223cf2%%%fd34672d-751c-45ae-a963-ed177fcabe23%%%d8080257-b0c3-47b4-b0db-23bc0c8ddb3c%%%95e591a2-5d7d-4afa-b1d0-7573d6c0a5d9%%%f7d0f6bc-4dcc-4876-8c5d-b3d6ddbb3d55%%%16355082-c50b-4214-9c7d-d39575f9f79b
X-MS-Exchange-Forest-RulesExecuted: mbx-dresden-01
X-MS-Exchange-Organization-RulesExecuted: mbx-dresden-01
X-MS-Exchange-Forest-IndexAgent-0: AQ0CZW4AAd4OAAAPAAADH4sIAAAAAAAEAO1Z+XPbRpYGSfGU6HgcJ1
u1u1XTVa6p2BuRBEACPCqeGVlWHO3EssqSJ7vrcrFAoElhBQIMAOrw
nzp/zX6vGwTBw0fi/WlXKIkEur93v37dj/jH4U/c84L9eq1ei27fj4
KYjYO577D4guMOU9euP2FuFM05C/wB4X46OnjO7GA6deMBw9VVu2pP
G5maZpjsJQ8nnI1Cy7cv2HfjIGz4/CZu2UHIv9tnIZ8GMW/EoWVfgm
+zWa9N3JjFIeeCFS48D1otfDYveehzrxmEk9ZsPmpF9rTluf78piUn
CNOywqnZkcNN4kQC5bTt1mt24EeBB8Xn8WwOZS/ieBaBOyy9tDyPh0
1rNotmQdyEOa2blhdMmvFN/Jebp5pu8bbWM7SeiqtekzxhtT92J1D1
U5yaEglOtsUtuz1uG6YxUo2uVa85VnQxCqzQYdD78lNajeaTv8CDrv
OU631bVzsjR+ftvmqOudm3ycbpzAXRwn/P+ci1fGZ7FuJ2xcPIDXym
GU21ae6zFydvmOewx/T9DE6LXS8inyVUT5je7MDaeQS6mWVzZoX2xY
AJL1Po3/gAx3Pfirl3u8+OmRP438XswroC1L9FfGdh4MxtHgqu8YUb
Jblzy+MmcXgeXPteYDnWCHGxoojHEZLKcaNL5k6tCc+4Iw5CDDQnQT
DxuDVzI+EPmaUNSdoybcsxe6Nx12jrLeLSWGRjM7Sumzfv67WrqUiP
38hYs/QuNzqq2u32WgmLJW/im6TE79K664xto901DEdtHRODJevJe8
G9Xjt+efrq9fnByfmAuWN2G8zZ2L0R61J4dJ/NwD+CE5311Rpb+A/E
YLJM67XXfIbIcacxuh0wqc332xLqrxtZOLVcj2wgnRqZ6y2z5wg9Dz
l7lx1HjI+evXkx/PnV4d/Ohr8cvD4Zvjp5rD2p1+j++OTFgB2evhkw
lZ0ePx8wTe2hbFgxS1a1F4jSIL4dPmvaA72tM/uC25fDa8uNh1hZMR
bEh/GdbrfN3ro+YsbffZHU4ZCeh5b969wN+ffqTbdnt/Bptu0PExpq
r1uvvcQy8Hgkljh3mEulc1OBQ4RHhKPBbzjcGYRNjZ2gCMeWCysdZj
Z7TbUR2t1GGpfGZKXgPsJ6/QnF5NpCIHxrilx8IXJv8QUZKH6cHfkT
OKS1dXSfPTt+dbagUPWW3m/pqo41P4tiLPYBM1WsBdU22GP/vw6vmG
Md/8i+Pz04YY03B69Y4/wQH8+Pz1nj7OzZGXt2/p+nR08bDQR9ZrPB
l4RP0H9BILwQ9BeCHDUxij4e8aVcQfcFegv6LXqrn6l3NAP9GBftQP
3+yOrqVJpv9P7asKGq7EbvyVHarZzu2DQsMdpdHTU7Y8HCRP5hmGNY
s8bctvscYGMdbPQw2kHKrl4asWhvDLcB1tdGba2LUS2jsa63zY4ttF
A3WEBlrb+hcgejvaXGbbOLu74JFlp3KwtzKa+H7WGk9m2MGlsN0TpZ
zmK31wHeNI8YwzwnYby4iIW2Au4k4FXzdN1uO+ymj6BaY3vMR/rIdP
rjviVY9Ng2ed3NUY3dmFtGwcJYSxdz1Eb4OpnRHnd6UAOM29lR1RhZ
WltEZKs8bTmqLXVTt2iMCocKxeh0x1HuvmT1fMmKZ2uUeltQah8j7B
odIXTszaOL4XUQXv4653Oi1jpErWl2Z0GezoKwrXWQiMy3XVSXIOJD
h1+5tqSjlW6Mesznccsf2y2AxDmY5JndhAr4oYMzESgkQWcb3mz3CT
+2U3yKShCaqWXdR9BwfOl63hAnjuGITE2N0R11g7xLArZRCLe3u7ag
kIAFUVvYnhCNg9nwOnRjst3AmQkeb3e2ECHVDFBdjaMU3rbJchuRHU
etkFuOnCE/9XrAXka3S7BmCBPMTbDZaYsYOsEwJdgEGcZqmiFmH0Pr
q2hxEh5m9emSOn11G6mgcP2r4FLIsGlx0IE66VqSdEpmhD+zwlYJIa
lPTtWRUB/j0SGHcU8dRlf2kE5/AaUWnN4SC+GjtFqbHAj3JfSUkyTT
+LhITVi6pDE6tGDMbUTcj8PbhlQLlF0toYyHwqu+PbywfAeHHLDpEZ
vxNo3XuVDxWuFCFvfJYq3f+RB982xg9OEsN/yV8SsMMZx0prMB0/Ue
3HCBIxWmcICzopgx7lPD4tCJ8TEBngzY2x+WJVTvd23L/vM7hqZjGM
1cfxj+Opz7ohCRgIXPUBEd+dm8gLv73UzAf6fEseu7KFlCVHTtxvYF
rB+JmsU7q4IXxUejYrcqDq3Tijh9VZzFO2a314E4LBjihbMtVVYhR+
+MtgsyTR1LPQrG8QfsMjrmmllqWzMNMgv2WN5wdDGUeIooBRRLxPVt
b+7w5LcA9DFxMEXaeGO4tK2vy1sxzOh0tsjTe1l5CcFnCtT6oil6C7
McufFt7uPvRFP0RthBfZlM8cRjbGZNqGcLObYU6As1r1y02JZHjV3I
cWBdPXJoyNm/HZwdnAyYP/e8xiwOGw6asDH0RPr5E87eqjerKthqY2
Ooi5R7yafMGqEvBO04oC2bHZ29Zk/ZEt03xZch5g7FFB0Unx88O2eP
7XkY0so5+vnJPjv+GbM4Qo/cOCL02dE5wffZj/7f6UZwOJBDZ9rp+S
+LwR/PJF8VfD0sRY9p5Eo/8qyYfrwYW3MvRldpxda6tsdnf5cMj8/O
smobYkRfsYTwhy8l/Bf/tbw5958nN9bkwLbJ3YlWLw7P5MyrKx561q
18eI7Y3D5zY/n0Hwn67XqI3qXBG/H4mnOf0U8qDIFfhH0xLyIGfx3j
fBT6iDoPwyAcsFfBLFqesBZRYG8fae/Y6eujo5en5+zs5ekXNZrnss
lEw5j8dsR+Yel113lu7zwNs3fXef5f7TzXauT/y85T6911nr9zxd91
nned513nedd5fl7neRg4ON60qWpzDp0tbay2cdPX0JVoWps57U57zG
HO43aP22Zf7T353G6jsXZJaaIbiiI+HXm37PGI+o0Juo7oiThMM5Xe
Iab6JJc9ei++r3v7OExrji2gHYKmGifXNLgS3zeA3rwPBbBHwNSi5K
JXVgKo9fcF+hEWYUfgbcKnhieXF4VLxkTzCOnyb0yTCie+ScFOGI0S
hd9KCv0d+6HRII/NZuJ1th/F4dym7oLeagl31Wvn9LYyFO/JGO4m3O
ehRS9hRrfMYuj7muw4ZlO0ArSn4Owsz+pRs1474zx9AzgJgubEa+Fh
evTv4jXoFPVH9CzhVHY06GLmcfIWrpm+eOfiQMzDiNmWj8YBuljUTl
NPmJ7B/ypfLE7CYD4TrxabmVf316h22Cv4TCTHJQvGmVewTQYtEeit
ej6iw/Zcvgu+CK6pTaUsn/uuDReAcXyx1Bfdyli8XVw6y/KoBN0u2h
ru7KOVW5jILn2wHInXw94tBYD4QZVHmKe3mgPGbyw7bsi3lY3YjT2e
iKH3ntcWekxoFKATk9VSCv4uYtF8hHIQ82m0L7mvsI5IhRSBhplfN9
Lneu0xhY3s8FysBDgrnRPtTMQQKpq+5iOWvrR/st1+5sxnnnQWGFl+
gPkQDPg2vYBdmAyR/83xHYwbCVFDct1i/9x3AubwhSRk0jbmQM1nRK
0oRaVWUspFpVRQdqpKDTd5pbyjFEvK7p5Sx2NJqRRySkXZweCOUi7l
lK+UckXZK9DIHqaeClowwaf8E1RleSM5A7an7FSUWlmpgGExp/SUSl
U8Yjan5CUhbu4p90FbUqrADFYwBYwDcF95gMEdcM4pP2QAUtxD5duK
4ID7cq6SV5R8DsKVXC5Pn0oBsLwAV5QqqZ2r7CgKuCU8lWpd+QpSQA
57Aagpu8LSojCkAp9AN/FYhgInSgXSJUaoXQYAs5I5BJWFIS+3wTAC
WF6MfIQb5ApYIU9K7uaFCQt7y6nbob+QWBC01UpO2ZXMc4qhlB8q3w
CwS1H7RpjzEOK+FtGBtomLhLaFXFHc53FTpPRAPpDny0I3uLGgKCQ6
pzwQtCKgy1npTCjwuaxyO/eUvOQj02aTmxSRRzg2GGI2Sa1cNZmCFb
nKMuJJ3EGi/IvwUj33lcyECsVxKTFzUxH5XwZlDX/k+YJAIl41sQqQ
CcX0TyQD4lL8pE/yueInjZV8dkVoNtxeJCb/e4KwlAr0+YfM5+pIDp
8KDSY3q8jPGUw5rDxuB0uV8ovBjZsH+SXs02ARl+onfJWrfcpR5R1K
sASwFhQC5Mp/EOVCFk/JAfcpORLv/qIkLuuh+IPcRWSTNC4kZbYoi8
/HYRuzSI8aAA8X1ViKSyVm+ZRIq3VMSVT+z8Sk1lUzAFoptGSoWqZ8
0pEPYnIlREHWrg8wKcpIfRIjYyEx0o1bxd1X8jKOsrDLe8zSfkE21m
D7vQxgGwzlCJidQlLAS5swaX5e1JDCanA3YeBWXmCyrIoUcbrJ+vNh
rih0KMjUXWO7lWQvQ7KmbdaHSbhzZblAZJGEiHxuR4xU7ytfQ9VvhZ
6ynmc9kK1CW2lLtB7lAaOcVSCTVFIo7aEZwm/wmK6vbfhEkLCiAkFF
OqgkO450TrLGqbomOSzDnRWXJb8vyFP3foC8KnbDkqg5/yT2qYJUUs
ZXcigTzwdFUUzuLZyMKYw8yCl/Ur5+IPZlYRcYlh4o3+bFRpPYRXt0
Gj6cx0rJYSa5oVk5UpR7H4koiTOSBOSx9RcXDicRKQelVFP2sJBryr
2UyQb/QjW3l7BdjJRztWQbze3KmwX5DiyVJssale6qIoLwgPBV7uuE
Dx3eir9pi8fRAlUnJ+Xe7fJ3u/zdLn+3y9/t8r9ll5ebJipqRVHoRq
mha85sZE9AtSs62eKi8gsAdiJgamsjhaThKgpuNFigiEBKdRVWkjCh
IRS4X5RbGzmETgu7yrdJTcaOo9TwKRq6oswHsbTlbqt8I1r+9PghtN
0TZlblwpSzcv+FEv+s1NBKF0RxSH248BI40I8J/5rhmbbVeNyl/ZF+
D1k012XJubro02X6iY1G/hCRlG7h86qkkpgq+blaE6ouwDs18StKnb
atvTR/JFgquWjw72UVgGeki+QGmmFI0v+YHBsKwmm1rA74rCtfpfji
/wAptyhd3zMAAAEKjgI8P3htbCB2ZXJzaW9uPSIxLjAiIGVuY29kaW
5nPSJ1dGYtMTYiPz4NCjxFbWFpbFNldD4NCiAgPFZlcnNpb24+MTUu
MC4wLjA8L1ZlcnNpb24+DQogIDxFbWFpbHM+DQogICAgPEVtYWlsIF
N0YXJ0SW5kZXg9IjEwMTIiIFBvc2l0aW9uPSJPdGhlciI+DQogICAg
ICA8RW1haWxTdHJpbmc+c3l6Ym90K2UyOWMyMDRiZDJlMzkwNmZlNj
ljQHN5emthbGxlci5hcHBzcG90bWFpbC5jb208L0VtYWlsU3RyaW5n
Pg0KICAgIDwvRW1haWw+DQogIDwvRW1haWxzPg0KPC9FbWFpbFNldD
4BC9kIPD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTE2
Ij8+DQo8VXJsU2V0Pg0KICA8VmVyc2lvbj4xNS4wLjAuMDwvVmVyc2
lvbj4NCiAgPFVybHM+DQogICAgPFVybCBTdGFydEluZGV4PSIyMzYi
IFBvc2l0aW9uPSJPdGhlciIgVHlwZT0iVXJsIj4NCiAgICAgIDxVcm
xTdHJpbmc+aHR0cHM6Ly9zeXprYWxsZXIuYXBwc3BvdC5jb20veC9s
b2cudHh0P3g9MTJhZTMxODUxODAwMDA8L1VybFN0cmluZz4NCiAgIC
A8L1VybD4NCiAgICA8VXJsIFN0YXJ0SW5kZXg9IjMxMCIgUG9zaXRp
b249Ik90aGVyIiBUeXBlPSJVcmwiPg0KICAgICAgPFVybFN0cmluZz
5odHRwczovL3N5emthbGxlci5hcHBzcG90LmNvbS94Ly5jb25maWc/
eD1jYWVhYzNmMzU2NWIwNTdhPC9VcmxTdHJpbmc+DQogICAgPC9Vcm
w+DQogICAgPFVybCBTdGFydEluZGV4PSIzODYiIFBvc2l0aW9uPSJP
dGhlciIgVHlwZT0iVXJsIj4NCiAgICAgIDxVcmxTdHJpbmc+aHR0cH
M6Ly9zeXprYWxsZXIuYXBwc3BvdC5jb20vYnVnP2V4dGlkPWUyOWMy
MDRiZDJlMzkwNmZlNjljPC9VcmxTdHJpbmc+DQogICAgPC9Vcmw+DQ
ogICAgPFVybCBTdGFydEluZGV4PSI2NTciIFBvc2l0aW9uPSJPdGhl
ciIgVHlwZT0iVXJsIj4NCiAgICAgIDxVcmxTdHJpbmc+aHR0cHM6Ly
9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3N5emJvdC1hc3NldHMvNmNh
ZDY4YmY3NTMyL2Rpc2stNzA3MDgxYjYucmF3Lnh6PC9VcmxTdHJpbm
c+DQogICAgPC9Vcmw+DQogICAgPFVybCBTdGFydEluZGV4PSI3NDYi
IFBvc2l0aW9uPSJPdGhlciIgVHlwZT0iVXJsIj4NCiAgICAgIDxVcm
xTdHJpbmc+aHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3N5
emJvdC1hc3NldHMvMWEyN2U1NDAwNzc4L3ZtbGludXgtNzA3MDgxYj
YueHo8L1VybFN0cmluZz4NCiAgICA8L1VybD4NCiAgICA8VXJsIFN0
YXJ0SW5kZXg9IjgzOSIgUG9zaXRpb249Ik90aGVyIiBUeXBlPSJVcm
wiPg0KICAgICAgPFVybFN0cmluZz5odHRwczovL3N0b3JhZ2UuZ29v
Z2xlYXBpcy5jb20vc3l6Ym90LWFzc2V0cy82N2RmYzUzNzU1ZDAvSW
1hZ2UtNzA3MDgxYjYuZ3oueHo8L1VybFN0cmluZz4NCiAgICA8L1Vy
bD4NCiAgPC9VcmxzPg0KPC9VcmxTZXQ+AQ7OAVJldHJpZXZlck9wZX
JhdG9yLDEwLDE7UmV0cmlldmVyT3BlcmF0b3IsMTEsMTtQb3N0RG9j
UGFyc2VyT3BlcmF0b3IsMTAsMDtQb3N0RG9jUGFyc2VyT3BlcmF0b3
IsMTEsMDtQb3N0V29yZEJyZWFrZXJEaWFnbm9zdGljT3BlcmF0b3Is
MTAsNDtQb3N0V29yZEJyZWFrZXJEaWFnbm9zdGljT3BlcmF0b3IsMT
EsMDtUcmFuc3BvcnRXcml0ZXJQcm9kdWNlciwyMCw2
X-MS-Exchange-Forest-IndexAgent: 1 5418
X-MS-Exchange-Forest-EmailMessageHash: 58B4AA6D
X-MS-Exchange-Forest-Language: en
X-MS-Exchange-Organization-Processed-By-Journaling: Journal Agent
Hello,
syzbot found the following issue on:
HEAD commit: 707081b61156 Merge branch 'for-next/core', remote-tracking..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12ae3185180000
kernel config: https://syzkaller.appspot.com/x/.config?x=caeac3f3565b057a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6cad68bf7532/disk-707081b6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1a27e5400778/vmlinux-707081b6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/67dfc53755d0/Image-707081b6.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: ffff0000d7f664f4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2283
hardirqs last enabled at (2283): [<ffff800080297cac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline]
hardirqs last enabled at (2283): [<ffff800080297cac>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5154
hardirqs last disabled at (2282): [<ffff80008ae46784>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last enabled at (546): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (544): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address dfff800000000018
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Tainted: G W 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: 00000000000000c4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000018 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 34000ee8 aa1f03e8 91031113 d343fe68 (38ec6908)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 34000ee8 cbz w8, 0x1dc
4: aa1f03e8 mov x8, xzr
8: 91031113 add x19, x8, #0xc4
c: d343fe68 lsr x8, x19, #3
* 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 8+ messages in thread
* [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2)
@ 2024-03-30 11:02 ` syzbot
0 siblings, 0 replies; 8+ messages in thread
From: syzbot @ 2024-03-30 11:02 UTC (permalink / raw)
To: davem, edumazet, krzysztof.kozlowski, kuba, linux-kernel, netdev,
pabeni, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 707081b61156 Merge branch 'for-next/core', remote-tracking..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12ae3185180000
kernel config: https://syzkaller.appspot.com/x/.config?x=caeac3f3565b057a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6cad68bf7532/disk-707081b6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1a27e5400778/vmlinux-707081b6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/67dfc53755d0/Image-707081b6.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: ffff0000d7f664f4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2283
hardirqs last enabled at (2283): [<ffff800080297cac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline]
hardirqs last enabled at (2283): [<ffff800080297cac>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5154
hardirqs last disabled at (2282): [<ffff80008ae46784>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last enabled at (546): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (544): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address dfff800000000018
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Tainted: G W 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: 00000000000000c4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000018 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 34000ee8 aa1f03e8 91031113 d343fe68 (38ec6908)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 34000ee8 cbz w8, 0x1dc
4: aa1f03e8 mov x8, xzr
8: 91031113 add x19, x8, #0xc4
c: d343fe68 lsr x8, x19, #3
* 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
X-sender: <netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org>
X-Receiver: <steffen.klassert@secunet.com> ORCPT=rfc822;steffen.klassert@secunet.com
X-CreatedBy: MSExchange15
X-HeloDomain: mbx-dresden-01.secunet.de
X-ExtendedProps: BQBjAAoAnoqmlidQ3AgFADcAAgAADwA8AAAATWljcm9zb2Z0LkV4Y2hhbmdlLlRyYW5zcG9ydC5NYWlsUmVjaXBpZW50Lk9yZ2FuaXphdGlvblNjb3BlEQAAAAAAAAAAAAAAAAAAAAAADwA/AAAATWljcm9zb2Z0LkV4Y2hhbmdlLlRyYW5zcG9ydC5EaXJlY3RvcnlEYXRhLk1haWxEZWxpdmVyeVByaW9yaXR5DwADAAAATG93
X-Source: SMTP:Default MBX-ESSEN-02
X-SourceIPAddress: 10.53.40.199
X-EndOfInjectedXHeaders: 16081
Received: from mbx-dresden-01.secunet.de (10.53.40.199) by
mbx-essen-02.secunet.de (10.53.40.198) with Microsoft SMTP Server
(version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id
15.1.2507.37; Sat, 30 Mar 2024 12:02:38 +0100
Received: from b.mx.secunet.com (62.96.220.37) by cas-essen-02.secunet.de
(10.53.40.202) with Microsoft SMTP Server (version=TLS1_2,
cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35 via Frontend
Transport; Sat, 30 Mar 2024 12:02:38 +0100
Received: from localhost (localhost [127.0.0.1])
by b.mx.secunet.com (Postfix) with ESMTP id 45C052025D
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 12:02:38 +0100 (CET)
X-Virus-Scanned: by secunet
X-Spam-Flag: NO
X-Spam-Score: -2.446
X-Spam-Level:
X-Spam-Status: No, score=-2.446 tagged_above=-999 required=2.1
tests=[BAYES_00=-1.9, FROM_LOCAL_HEX=0.006,
HEADER_FROM_DIFFERENT_DOMAINS=0.249, MAILING_LIST_MULTI=-1,
RCVD_IN_DNSWL_MED=-2.3, SORTED_RECIPS=2.499, SPF_HELO_NONE=0.001,
SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from b.mx.secunet.com ([127.0.0.1])
by localhost (a.mx.secunet.com [127.0.0.1]) (amavisd-new, port 10024)
with ESMTP id U_HQH-_t2Beg for <steffen.klassert@secunet.com>;
Sat, 30 Mar 2024 12:02:37 +0100 (CET)
Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=139.178.88.99; helo=sv.mirrors.kernel.org; envelope-from=netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org; receiver=steffen.klassert@secunet.com
DKIM-Filter: OpenDKIM Filter v2.11.0 b.mx.secunet.com A9F0D20322
Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org [139.178.88.99])
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
(No client certificate requested)
by b.mx.secunet.com (Postfix) with ESMTPS id A9F0D20322
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 12:02:36 +0100 (CET)
Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140])
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
(No client certificate requested)
by sv.mirrors.kernel.org (Postfix) with ESMTPS id B88E52832B5
for <steffen.klassert@secunet.com>; Sat, 30 Mar 2024 11:02:34 +0000 (UTC)
Received: from localhost.localdomain (localhost.localdomain [127.0.0.1])
by smtp.subspace.kernel.org (Postfix) with ESMTP id 88C3A2BAF6;
Sat, 30 Mar 2024 11:02:28 +0000 (UTC)
X-Original-To: netdev@vger.kernel.org
Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200])
(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
(No client certificate requested)
by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D0C217745
for <netdev@vger.kernel.org>; Sat, 30 Mar 2024 11:02:26 +0000 (UTC)
Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200
ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;
t=1711796548; cv=none; b=PosxYqb1zAY/YDAhdASyjwR3d02h4pA4RJzdPR+plZUs9RfH5g8OtO2sBS2TnFf98Yce0jYp5FEJEnmSSnp3KZ9sxciz2ioegNK09cd1ej9m3RbtAYYwQtRYnT1F9Ky3qPpFAh/LSW+6jZrDm7xL/XdWDYJOLr3zo4Dv18vK3yw=
ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org;
s=arc-20240116; t=1711796548; c=relaxed/simple;
bh=yPcfTvipI2/+vcDGEXJhfS40amnwmytukAZNlZ00LQs=;
h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=qExrOcNVU+859vmsVDqF7BLLwYxKZvZLmhoT5Y0laDAa2J2Qoqzq78Zfk4THLzVX2U/bVN3peeWOLWmacwbOfwVSJnao0hUTzj7M5P6/PMHiPae567nKqCCXvLko87onfk5ZXpnPV4Ij1btQLoTlM8k6FKrOu+nho0M+nol+jVQ=
ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200
Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com
Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com
Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-36854f4e9b3so25783045ab.2
for <netdev@vger.kernel.org>; Sat, 30 Mar 2024 04:02:26 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20230601; t=1711796545; x=1712401345;
h=to:from:subject:message-id:date:mime-version:x-gm-message-state
:from:to:cc:subject:date:message-id:reply-to;
bh=53tpjewSWu0Vresc93uaKcyJznO8Iz9abIky6N2xuK8=;
b=Lemjv6aYFA/ePK7C2eMHpA3UmYM2ypJnPjfwM478q1hTiEXhT6RDJ1EonEMBjWLavM
gKCvS9crJbn2WxMn6E9+xnzWhBbRxNQ34VluwhgRjQPr8sjckRnwvgkuju6ZxRZ0O+2L
NeG/VgZyzjiIv7e3eCn8xLNYlpZhGPk4HEfHtu+OBXU5cLBCI/i3P7IFn2xjm9u4ai8O
y+tGs2BbALLn9GEKvUmaTxaGU0J7/3Bu0atXrxyKY2OWzFXk5ux/++8X90FNkM+RleQB
S7XCRlRPtZ0GGSPOK9Gw4Ik02d5Atbm4VlH09mzd0xkpEsEusleFBKlWtB11EsyEUQDT
fgFg==
X-Forwarded-Encrypted: i=1; AJvYcCV/6QrjSwqi4gGxUzVso4hdZRNXb19ibQKeEqVeXP7Vn/YecPpcxyILHoESrkx9g+WincGJTOSMpdG9Hocm4nat1ibCplm0
X-Gm-Message-State: AOJu0YxX8znVuVSNHyk4q7Qg/juCPMbuw6f4ConwHSvpxphntVCtBzky
zJ9fQcBUj+PNO0N195aTQOE3w8s5t/AtYx9/UFenDRIVdEfHi8jE3CJuH1D9G0b+m/8SCFSQwdt
+AjmnSadxsSAK8axoefcYjIHJrRr5MR1uiBEZRFiQSojfmiP5LaHNtTQ=
X-Google-Smtp-Source: AGHT+IHv69JzOfvTT29TShFoM/iodtSW6dmhPzDpDQg2zztHr8hSEYTmewIQpE/qHaWyeJ9BmGXrYmPL7FCNH6qlTCEmh8lPzblN
Precedence: bulk
X-Mailing-List: netdev@vger.kernel.org
List-Id: <netdev.vger.kernel.org>
List-Subscribe: <mailto:netdev+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:netdev+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-Received: by 2002:a05:6e02:1985:b0:368:8135:4559 with SMTP id
g5-20020a056e02198500b0036881354559mr352355ilf.6.1711796545698; Sat, 30 Mar
2024 04:02:25 -0700 (PDT)
Date: Sat, 30 Mar 2024 04:02:25 -0700
X-Google-Appengine-App-Id: s~syzkaller
X-Google-Appengine-App-Id-Alias: syzkaller
Message-ID: <00000000000008cd6e0614deb1db@google.com>
Subject: [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2)
From: syzbot <syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com>
To: davem@davemloft.net, edumazet@google.com, krzysztof.kozlowski@linaro.org,
kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
pabeni@redhat.com, syzkaller-bugs@googlegroups.com
Content-Type: text/plain; charset="UTF-8"
Return-Path: netdev+bounces-83500-steffen.klassert=secunet.com@vger.kernel.org
X-MS-Exchange-Organization-OriginalArrivalTime: 30 Mar 2024 11:02:38.3244
(UTC)
X-MS-Exchange-Organization-Network-Message-Id: 0f717a41-2bff-429e-aa5c-08dc50a8e993
X-MS-Exchange-Organization-OriginalClientIPAddress: 62.96.220.37
X-MS-Exchange-Organization-OriginalServerIPAddress: 10.53.40.202
X-MS-Exchange-Organization-Cross-Premises-Headers-Processed: cas-essen-02.secunet.de
X-MS-Exchange-Organization-OrderedPrecisionLatencyInProgress: LSRV=cas-essen-02.secunet.de:TOTAL-FE=0.025|SMR=0.024(SMRPI=0.022(SMRPI-FrontendProxyAgent=0.022));2024-03-30T11:02:38.349Z
X-MS-Exchange-Forest-ArrivalHubServer: mbx-essen-02.secunet.de
X-MS-Exchange-Organization-AuthSource: cas-essen-02.secunet.de
X-MS-Exchange-Organization-AuthAs: Anonymous
X-MS-Exchange-Organization-OriginalSize: 15532
X-MS-Exchange-Organization-Transport-Properties: DeliveryPriority=Low
X-MS-Exchange-Organization-Prioritization: 2:ShadowRedundancy
X-MS-Exchange-Organization-IncludeInSla: False:ShadowRedundancy
Hello,
syzbot found the following issue on:
HEAD commit: 707081b61156 Merge branch 'for-next/core', remote-tracking..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=12ae3185180000
kernel config: https://syzkaller.appspot.com/x/.config?x=caeac3f3565b057a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: arm64
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6cad68bf7532/disk-707081b6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/1a27e5400778/vmlinux-707081b6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/67dfc53755d0/Image-707081b6.gz.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 0 PID: 10856 at kernel/locking/lockdep.c:232 __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: ffff0000d7f664f4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x78c/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2283
hardirqs last enabled at (2283): [<ffff800080297cac>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline]
hardirqs last enabled at (2283): [<ffff800080297cac>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5154
hardirqs last disabled at (2282): [<ffff80008ae46784>] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625
softirqs last enabled at (546): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (544): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
Unable to handle kernel paging request at virtual address dfff800000000018
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000018] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 10856 Comm: syz-executor.1 Tainted: G W 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_wait_context kernel/locking/lockdep.c:4773 [inline]
pc : __lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lr : hlock_class kernel/locking/lockdep.c:232 [inline]
lr : check_wait_context kernel/locking/lockdep.c:4773 [inline]
lr : __lock_acquire+0x780/0x763c kernel/locking/lockdep.c:5087
sp : ffff800099ba7240
x29: ffff800099ba7500 x28: ffff0000d7f65a00 x27: ffff0000d7f664f0
x26: 1fffe0001afecc9e x25: ffff0000d7f66458 x24: 0000000000000001
x23: 0000000000000003 x22: 0000000000000c17 x21: ffff8000922364c0
x20: 0000000000000000 x19: 00000000000000c4 x18: 1fffe000367fff96
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: dfff800000000000
x11: 0000000000040000 x10: 0000000000022c3d x9 : afcfeb2b6d9f9a00
x8 : 0000000000000018 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800099ba6b38 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
check_wait_context kernel/locking/lockdep.c:4773 [inline]
__lock_acquire+0x568/0x763c kernel/locking/lockdep.c:5087
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
nci_close_device+0x140/0x5b8 net/nfc/nci/core.c:567
nci_dev_down+0x40/0x54 net/nfc/nci/core.c:639
nfc_dev_down net/nfc/core.c:161 [inline]
nfc_rfkill_set_block+0x14c/0x2d0 net/nfc/core.c:179
rfkill_set_block+0x18c/0x37c net/rfkill/core.c:346
rfkill_fop_write+0x578/0x734 net/rfkill/core.c:1305
vfs_write+0x3c0/0xc3c fs/read_write.c:588
ksys_write+0x15c/0x26c fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__arm64_sys_write+0x7c/0x90 fs/read_write.c:652
__invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: 34000ee8 aa1f03e8 91031113 d343fe68 (38ec6908)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 34000ee8 cbz w8, 0x1dc
4: aa1f03e8 mov x8, xzr
8: 91031113 add x19, x8, #0xc4
c: d343fe68 lsr x8, x19, #3
* 10: 38ec6908 ldrsb w8, [x8, x12] <-- trapping instruction
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [syzbot] [net?] [nfc?] WARNING: locking bug in nci_close_device (2)
2024-03-30 11:02 ` syzbot
(?)
(?)
@ 2024-04-03 19:49 ` syzbot
2024-04-04 0:00 ` Hillf Danton
2024-04-04 10:58 ` Hillf Danton
-1 siblings, 2 replies; 8+ messages in thread
From: syzbot @ 2024-04-03 19:49 UTC (permalink / raw)
To: davem, edumazet, krzysztof.kozlowski, kuba, linux-kernel, netdev,
pabeni, syzkaller-bugs
syzbot has found a reproducer for the following issue on:
HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree: upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=14337af9180000
kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1601053d180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1201b6d3180000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f6c04726a2ae/disk-fe46a7dd.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/09c26ce901ea/vmlinux-fe46a7dd.xz
kernel image: https://storage.googleapis.com/syzbot-assets/134acf7f5322/bzImage-fe46a7dd.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 5095 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 1 PID: 5095 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4773 [inline]
WARNING: CPU: 1 PID: 5095 at kernel/locking/lockdep.c:232 __lock_acquire+0x573/0x1fd0 kernel/locking/lockdep.c:5087
Modules linked in:
CPU: 1 PID: 5095 Comm: syz-executor108 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4773 [inline]
RIP: 0010:__lock_acquire+0x573/0x1fd0 kernel/locking/lockdep.c:5087
Code: 00 00 83 3d ce 9c 14 0e 00 75 23 90 48 c7 c7 80 c0 aa 8b 48 c7 c6 20 c3 aa 8b e8 38 24 e6 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffc9000442ef50 EFLAGS: 00010046
RAX: de5230b6c68f0a00 RBX: 000000000000066c RCX: ffff888023db3c00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000014 R08: ffffffff8157cb22 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: 0000000000000001
R13: ffff888023db3c00 R14: 0000000000000014 R15: ffff888023db4798
FS: 00007f4496c8a6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4496d2ce90 CR3: 000000007824c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
touch_wq_lockdep_map kernel/workqueue.c:3901 [inline]
__flush_workqueue+0x1c9/0x1710 kernel/workqueue.c:3943
nci_close_device+0x301/0x610 net/nfc/nci/core.c:567
nci_dev_down+0x3b/0x50 net/nfc/nci/core.c:639
nfc_dev_down+0x184/0x280 net/nfc/core.c:161
nfc_genl_dev_down+0x84/0xd0 net/nfc/netlink.c:791
genl_family_rcv_msg_doit net/netlink/genetlink.c:1113 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1208
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1217
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f4496cf1a89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 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 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4496c8a208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f4496d7b378 RCX: 00007f4496cf1a89
RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005
RBP: 00007f4496d7b370 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4496d7b37c
R13: 00007f4496d4819c R14: 00007ffc71898120 R15: 00007ffc71898208
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [syzbot] [net?] [nfc?] WARNING: locking bug in nci_close_device (2)
2024-04-03 19:49 ` [syzbot] [net?] [nfc?] " syzbot
@ 2024-04-04 0:00 ` Hillf Danton
2024-04-04 10:15 ` syzbot
2024-04-04 10:58 ` Hillf Danton
1 sibling, 1 reply; 8+ messages in thread
From: Hillf Danton @ 2024-04-04 0:00 UTC (permalink / raw)
To: syzbot; +Cc: linux-kernel, syzkaller-bugs
On Wed, 03 Apr 2024 12:49:25 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1201b6d3180000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fe46a7dd189e
--- x/net/nfc/nci/core.c
+++ y/net/nfc/nci/core.c
@@ -560,7 +560,8 @@ static int nci_close_device(struct nci_d
*/
mutex_lock(&ndev->req_lock);
- if (!test_and_clear_bit(NCI_UP, &ndev->flags)) {
+ if (!test_and_clear_bit(NCI_UP, &ndev->flags) &&
+ !test_bit(NCI_UNREG +1, &ndev->flags)) {
/* Need to flush the cmd wq in case
* there is a queued/running cmd_work
*/
@@ -601,6 +602,7 @@ static int nci_close_device(struct nci_d
/* Clear flags except NCI_UNREG */
ndev->flags &= BIT(NCI_UNREG);
+ set_bit(NCI_UNREG +1, &ndev->flags);
mutex_unlock(&ndev->req_lock);
--
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [syzbot] [net?] [nfc?] WARNING: locking bug in nci_close_device (2)
2024-04-04 0:00 ` Hillf Danton
@ 2024-04-04 10:15 ` syzbot
0 siblings, 0 replies; 8+ messages in thread
From: syzbot @ 2024-04-04 10:15 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING in nci_send_cmd
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5484 at kernel/workqueue.c:2322 __queue_work+0xc6a/0xec0 kernel/workqueue.c:2321
Modules linked in:
CPU: 0 PID: 5484 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__queue_work+0xc6a/0xec0 kernel/workqueue.c:2321
Code: ff e8 1a e5 35 00 eb 21 e8 13 e5 35 00 eb 1a e8 0c e5 35 00 eb 13 e8 05 e5 35 00 90 0f 0b 90 e9 74 fd ff ff e8 f7 e4 35 00 90 <0f> 0b 90 48 83 c4 68 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc9000511f180 EFLAGS: 00010093
RAX: ffffffff815f0f3d RBX: ffff888028141e00 RCX: ffff888028141e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff815f0413 R09: 1ffff1100e91481f
R10: dffffc0000000000 R11: ffffed100e914820 R12: dffffc0000000000
R13: ffff888029ccf1c0 R14: ffff888029ccf000 R15: 0000000000000008
FS: 00007f9177b796c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d7c2a04000 CR3: 000000002c63c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
queue_work_on+0x14f/0x250 kernel/workqueue.c:2435
queue_work include/linux/workqueue.h:605 [inline]
nci_send_cmd+0x1f8/0x320 net/nfc/nci/core.c:1388
nci_reset_req net/nfc/nci/core.c:167 [inline]
__nci_request net/nfc/nci/core.c:108 [inline]
nci_close_device+0x321/0x680 net/nfc/nci/core.c:588
nci_dev_down+0x3b/0x50 net/nfc/nci/core.c:641
nfc_dev_down+0x184/0x280 net/nfc/core.c:161
nfc_genl_dev_down+0x84/0xd0 net/nfc/netlink.c:791
genl_family_rcv_msg_doit net/netlink/genetlink.c:1113 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline]
genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1208
netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2559
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1217
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x221/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
___sys_sendmsg net/socket.c:2638 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f9176e7dde9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9177b790c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9176fabf80 RCX: 00007f9176e7dde9
RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005
RBP: 00007f9176eca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9176fabf80 R15: 00007ffe23b02ca8
</TASK>
Tested on:
commit: fe46a7dd Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=108db6d3180000
kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=14bceed3180000
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [syzbot] [net?] [nfc?] WARNING: locking bug in nci_close_device (2)
2024-04-03 19:49 ` [syzbot] [net?] [nfc?] " syzbot
2024-04-04 0:00 ` Hillf Danton
@ 2024-04-04 10:58 ` Hillf Danton
2024-04-04 20:23 ` syzbot
1 sibling, 1 reply; 8+ messages in thread
From: Hillf Danton @ 2024-04-04 10:58 UTC (permalink / raw)
To: syzbot; +Cc: linux-kernel, syzkaller-bugs
On Wed, 03 Apr 2024 12:49:25 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
> git tree: upstream
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1201b6d3180000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git fe46a7dd189e
--- x/net/nfc/nci/core.c
+++ y/net/nfc/nci/core.c
@@ -560,6 +560,10 @@ static int nci_close_device(struct nci_d
*/
mutex_lock(&ndev->req_lock);
+ if (test_and_set_bit(NCI_UNREG +1, &ndev->flags)) {
+ mutex_unlock(&ndev->req_lock);
+ return 0;
+ }
if (!test_and_clear_bit(NCI_UP, &ndev->flags)) {
/* Need to flush the cmd wq in case
* there is a queued/running cmd_work
@@ -601,6 +605,7 @@ static int nci_close_device(struct nci_d
/* Clear flags except NCI_UNREG */
ndev->flags &= BIT(NCI_UNREG);
+ set_bit(NCI_UNREG +1, &ndev->flags);
mutex_unlock(&ndev->req_lock);
--
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [syzbot] [net?] [nfc?] WARNING: locking bug in nci_close_device (2)
2024-04-04 10:58 ` Hillf Danton
@ 2024-04-04 20:23 ` syzbot
0 siblings, 0 replies; 8+ messages in thread
From: syzbot @ 2024-04-04 20:23 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-and-tested-by: syzbot+e29c204bd2e3906fe69c@syzkaller.appspotmail.com
Tested on:
commit: fe46a7dd Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15616223180000
kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a
dashboard link: https://syzkaller.appspot.com/bug?extid=e29c204bd2e3906fe69c
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1110ad29180000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2024-04-04 20:23 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-03-30 11:02 [syzbot] [nfc?] [net?] WARNING: locking bug in nci_close_device (2) syzbot
2024-03-30 11:02 ` syzbot
2024-03-30 11:02 ` syzbot
2024-04-03 19:49 ` [syzbot] [net?] [nfc?] " syzbot
2024-04-04 0:00 ` Hillf Danton
2024-04-04 10:15 ` syzbot
2024-04-04 10:58 ` Hillf Danton
2024-04-04 20:23 ` syzbot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.