[moderation] [xfs?] general protection fault in xfs_pwork_destroy
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syzbot
May 22, 2024, 1:50:30 PMMay 22
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 4b377b4868ef kprobe/ftrace: fix build error due to bad fun..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15002b3f180000
kernel config: https://syzkaller.appspot.com/x/.config?x=11eee78d9c5171fd
dashboard link: https://syzkaller.appspot.com/bug?extid=6bd3f097f192471b13bd
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
CC: [chanda...@oracle.com djw...@kernel.org linux-...@vger.kernel.org linu...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-4b377b48.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b158356f72a3/vmlinux-4b377b48.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3bdecd8d3c89/bzImage-4b377b48.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6bd3f0...@syzkaller.appspotmail.com
XFS (loop1): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791
XFS (loop1): Ending clean mount
XFS (loop1): Quotacheck needed: Please wait.
Oops: general protection fault, probably for non-canonical address 0xe01ffbf11002a963: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x00ffff8880154b18-0x00ffff8880154b1f]
CPU: 2 PID: 9239 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 63 5d 1e 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 cd e1 92 0f 84 98 f2
RSP: 0018:ffffc90003c5f618 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 001ffff11002a963 RSI: ffff88801956c880 RDI: 00ffff8880154b18
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880154b18
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5f33b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c0023ffad5 CR3: 0000000012388000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
put_pwq_unlocked kernel/workqueue.c:1662 [inline]
put_pwq_unlocked kernel/workqueue.c:1655 [inline]
destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851
xfs_pwork_destroy+0x2c/0xa0 fs/xfs/xfs_pwork.c:105
xfs_iwalk_threaded+0x1f4/0x600 fs/xfs/xfs_iwalk.c:685
xfs_qm_quotacheck+0x22f/0x920 fs/xfs/xfs_qm.c:1348
xfs_qm_mount_quotas+0x11a/0x650 fs/xfs/xfs_qm.c:1488
xfs_mountfs+0x1cf9/0x1e20 fs/xfs/xfs_mount.c:963
xfs_fs_fill_super+0x1424/0x1d80 fs/xfs/xfs_super.c:1730
get_tree_bdev+0x36f/0x610 fs/super.c:1614
vfs_get_tree+0x8f/0x380 fs/super.c:1779
do_new_mount fs/namespace.c:3352 [inline]
path_mount+0x6e1/0x1f10 fs/namespace.c:3679
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount fs/namespace.c:3875 [inline]
__ia32_sys_mount+0x295/0x320 fs/namespace.c:3875
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7341579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5f33400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000f5f33460 RCX: 0000000020009640
RDX: 0000000020009600 RSI: 0000000000200880 RDI: 00000000f5f334a0
RBP: 00000000f5f33460 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 63 5d 1e 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 cd e1 92 0f 84 98 f2
RSP: 0018:ffffc90003c5f618 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 001ffff11002a963 RSI: ffff88801956c880 RDI: 00ffff8880154b18
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880154b18
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5f33b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c0023ffad5 CR3: 0000000012388000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 11 00 adc %eax,(%rax)
2: 00 39 add %bh,(%rcx)
4: 05 63 5d 1e 12 add $0x121e5d63,%eax
9: 0f 82 be 05 00 00 jb 0x5cd
f: ba 01 00 00 00 mov $0x1,%edx
14: e9 e4 00 00 00 jmp 0xfd
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 e2 mov %r12,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 82 1f 00 00 jne 0x1fb6
34: 49 81 3c 24 a0 cd e1 cmpq $0xffffffff92e1cda0,(%r12)
3b: 92
3c: 0f .byte 0xf
3d: 84 .byte 0x84
3e: 98 cwtl
3f: f2 repnz
---
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 syzk...@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
syzbot found the following issue on:
HEAD commit: 4b377b4868ef kprobe/ftrace: fix build error due to bad fun..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15002b3f180000
kernel config: https://syzkaller.appspot.com/x/.config?x=11eee78d9c5171fd
dashboard link: https://syzkaller.appspot.com/bug?extid=6bd3f097f192471b13bd
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
CC: [chanda...@oracle.com djw...@kernel.org linux-...@vger.kernel.org linu...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-4b377b48.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b158356f72a3/vmlinux-4b377b48.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3bdecd8d3c89/bzImage-4b377b48.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6bd3f0...@syzkaller.appspotmail.com
XFS (loop1): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791
XFS (loop1): Ending clean mount
XFS (loop1): Quotacheck needed: Please wait.
Oops: general protection fault, probably for non-canonical address 0xe01ffbf11002a963: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x00ffff8880154b18-0x00ffff8880154b1f]
CPU: 2 PID: 9239 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 63 5d 1e 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 cd e1 92 0f 84 98 f2
RSP: 0018:ffffc90003c5f618 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 001ffff11002a963 RSI: ffff88801956c880 RDI: 00ffff8880154b18
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880154b18
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5f33b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c0023ffad5 CR3: 0000000012388000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
lock_acquire kernel/locking/lockdep.c:5754 [inline]
lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
put_pwq_unlocked kernel/workqueue.c:1662 [inline]
put_pwq_unlocked kernel/workqueue.c:1655 [inline]
destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851
xfs_pwork_destroy+0x2c/0xa0 fs/xfs/xfs_pwork.c:105
xfs_iwalk_threaded+0x1f4/0x600 fs/xfs/xfs_iwalk.c:685
xfs_qm_quotacheck+0x22f/0x920 fs/xfs/xfs_qm.c:1348
xfs_qm_mount_quotas+0x11a/0x650 fs/xfs/xfs_qm.c:1488
xfs_mountfs+0x1cf9/0x1e20 fs/xfs/xfs_mount.c:963
xfs_fs_fill_super+0x1424/0x1d80 fs/xfs/xfs_super.c:1730
get_tree_bdev+0x36f/0x610 fs/super.c:1614
vfs_get_tree+0x8f/0x380 fs/super.c:1779
do_new_mount fs/namespace.c:3352 [inline]
path_mount+0x6e1/0x1f10 fs/namespace.c:3679
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount fs/namespace.c:3875 [inline]
__ia32_sys_mount+0x295/0x320 fs/namespace.c:3875
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7341579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5f33400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00000000f5f33460 RCX: 0000000020009640
RDX: 0000000020009600 RSI: 0000000000200880 RDI: 00000000f5f334a0
RBP: 00000000f5f33460 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005
Code: 11 00 00 39 05 63 5d 1e 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 a0 cd e1 92 0f 84 98 f2
RSP: 0018:ffffc90003c5f618 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 001ffff11002a963 RSI: ffff88801956c880 RDI: 00ffff8880154b18
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8fe1fe57 R11: 0000000000000003 R12: 00ffff8880154b18
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5f33b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000c0023ffad5 CR3: 0000000012388000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 11 00 adc %eax,(%rax)
2: 00 39 add %bh,(%rcx)
4: 05 63 5d 1e 12 add $0x121e5d63,%eax
9: 0f 82 be 05 00 00 jb 0x5cd
f: ba 01 00 00 00 mov $0x1,%edx
14: e9 e4 00 00 00 jmp 0xfd
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 4c 89 e2 mov %r12,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 82 1f 00 00 jne 0x1fb6
34: 49 81 3c 24 a0 cd e1 cmpq $0xffffffff92e1cda0,(%r12)
3b: 92
3c: 0f .byte 0xf
3d: 84 .byte 0x84
3e: 98 cwtl
3f: f2 repnz
---
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 syzk...@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
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