* [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown
@ 2024-09-17 13:24 syzbot
2024-10-19 6:17 ` syzbot
2024-11-08 22:52 ` syzbot
0 siblings, 2 replies; 3+ messages in thread
From: syzbot @ 2024-09-17 13:24 UTC (permalink / raw)
To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: a430d95c5efa Merge tag 'lsm-pr-20240911' of git://git.kern..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11a8dfc7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=1653f803fffa3848
dashboard link: https://syzkaller.appspot.com/bug?extid=d7935821694d430624ea
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/d3504d54974f/disk-a430d95c.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c6ac1db8c146/vmlinux-a430d95c.xz
kernel image: https://storage.googleapis.com/syzbot-assets/938026534cb3/bzImage-a430d95c.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d7935821694d430624ea@syzkaller.appspotmail.com
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 7384 Comm: syz-executor Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
assign_lock_key+0x238/0x270 kernel/locking/lockdep.c:975
register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1288
__lock_acquire+0xf0/0x2040 kernel/locking/lockdep.c:5019
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
ocfs2_mark_lockres_freeing+0x15e/0x690 fs/ocfs2/dlmglue.c:3516
ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3572 [inline]
ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3580 [inline]
ocfs2_dlm_shutdown+0x3a/0x240 fs/ocfs2/dlmglue.c:3390
ocfs2_dismount_volume+0x487/0x8f0 fs/ocfs2/super.c:1920
generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1696
deactivate_locked_super+0xc6/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x251/0x310 kernel/task_work.c:228
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0e037f227
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff70c741b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff0e037f227
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff70c74270
RBP: 00007fff70c74270 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff70c752f0
R13: 00007ff0e03f0a14 R14: 0000000000061ea2 R15: 00007fff70c75330
</TASK>
ocfs2: Unmounting device (7,4) on (node local)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 7384 Comm: syz-executor Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4680 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 cf 3f 73 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 ae 3f 73 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000cd37320 EFLAGS: 00010212
RAX: 0000000000000001 RBX: fffff520019a6e78 RCX: ffff88802ef63c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000cd37a70 R08: ffffffff8387ab2e R09: 1ffff1100cabf0be
R10: dffffc0000000000 R11: ffffed100cabf0bf R12: 0000000000000008
R13: 1ffff1100cabf0ec R14: dffffc0000000000 R15: ffff8880655f8878
FS: 000055558db0c500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4628955f98 CR3: 0000000069526000 CR4: 0000000000350ef0
Call Trace:
<TASK>
evict+0x4ea/0x9b0 fs/inode.c:731
__ocfs2_free_slot_info fs/ocfs2/slot_map.c:307 [inline]
ocfs2_free_slot_info+0x94/0x270 fs/ocfs2/slot_map.c:443
ocfs2_delete_osb+0x58/0x180 fs/ocfs2/super.c:2499
ocfs2_dismount_volume+0x594/0x8f0 fs/ocfs2/super.c:1938
generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1696
deactivate_locked_super+0xc6/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x251/0x310 kernel/task_work.c:228
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0e037f227
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff70c741b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff0e037f227
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff70c74270
RBP: 00007fff70c74270 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff70c752f0
R13: 00007ff0e03f0a14 R14: 0000000000061ea2 R15: 00007fff70c75330
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4680 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 cf 3f 73 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 ae 3f 73 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000cd37320 EFLAGS: 00010212
RAX: 0000000000000001 RBX: fffff520019a6e78 RCX: ffff88802ef63c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000cd37a70 R08: ffffffff8387ab2e R09: 1ffff1100cabf0be
R10: dffffc0000000000 R11: ffffed100cabf0bf R12: 0000000000000008
R13: 1ffff1100cabf0ec R14: dffffc0000000000 R15: ffff8880655f8878
FS: 000055558db0c500(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cb1707ab8 CR3: 0000000069526000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 4c 89 e0 mov %r12,%rax
5: 48 c1 e8 03 shr $0x3,%rax
9: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
e: 74 08 je 0x18
10: 4c 89 e7 mov %r12,%rdi
13: e8 cf 3f 73 fe call 0xfe733fe7
18: 4c 01 f3 add %r14,%rbx
1b: 4d 8b 24 24 mov (%r12),%r12
1f: 49 83 c4 08 add $0x8,%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 ae 3f 73 fe call 0xfe733fe7
39: 49 8b 3c 24 mov (%r12),%rdi
3d: 49 rex.WB
3e: 81 .byte 0x81
3f: c7 .byte 0xc7
---
This report is generated by a bot. It may contain errors.
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syzbot will keep track of this issue. See:
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If the report is already addressed, let syzbot know by replying with:
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If you want to overwrite report's subsystems, reply with:
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If the report is a duplicate of another one, reply with:
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If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown
2024-09-17 13:24 [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown syzbot
@ 2024-10-19 6:17 ` syzbot
2024-11-08 22:52 ` syzbot
1 sibling, 0 replies; 3+ messages in thread
From: syzbot @ 2024-10-19 6:17 UTC (permalink / raw)
To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs
syzbot has found a reproducer for the following issue on:
HEAD commit: b04ae0f45168 Merge tag 'v6.12-rc3-smb3-client-fixes' of gi..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=179fb487980000
kernel config: https://syzkaller.appspot.com/x/.config?x=cfbd94c114a3d407
dashboard link: https://syzkaller.appspot.com/bug?extid=d7935821694d430624ea
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=11635240580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10227c5f980000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-b04ae0f4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3e40a4ec7885/vmlinux-b04ae0f4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/9312d8ec05d3/bzImage-b04ae0f4.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/f8241812bcfe/mount_2.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d7935821694d430624ea@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,0) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,0) on (node local, slot 65535) with ordered data mode.
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 5091 Comm: syz-executor302 Not tainted 6.12.0-rc3-syzkaller-00319-gb04ae0f45168 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
assign_lock_key+0x241/0x280 kernel/locking/lockdep.c:981
register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1295
__lock_acquire+0xf0/0x2050 kernel/locking/lockdep.c:5077
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
ocfs2_mark_lockres_freeing+0x15e/0x690 fs/ocfs2/dlmglue.c:3513
ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3569 [inline]
ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3577 [inline]
ocfs2_dlm_shutdown+0x3a/0x240 fs/ocfs2/dlmglue.c:3387
ocfs2_dismount_volume+0x487/0x8f0 fs/ocfs2/super.c:1918
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1696
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:939
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3bc9aeed89
Code: Unable to access opcode bytes at 0x7f3bc9aeed5f.
RSP: 002b:00007fffe69f4fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3bc9aeed89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f3bc9b6f390 R08: ffffffffffffffb8 R09: 0000000000004469
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3bc9b6f390
R13: 0000000000000000 R14: 00007f3bc9b70100 R15: 00007f3bc9abd060
</TASK>
ocfs2: Unmounting device (7,0) on (node local)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 5091 Comm: syz-executor302 Not tainted 6.12.0-rc3-syzkaller-00319-gb04ae0f45168 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4680 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 bf 77 71 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 9e 77 71 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000af67180 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff520015ece44 RCX: ffff888000bfc880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000af678d0 R08: ffffffff838d258e R09: 1ffff11008c13616
R10: dffffc0000000000 R11: ffffed1008c13617 R12: 0000000000000008
R13: 1ffff11008c13644 R14: dffffc0000000000 R15: ffff88804609b338
FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3bc9b39378 CR3: 0000000011c58000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
evict+0x4e8/0x9b0 fs/inode.c:725
__ocfs2_free_slot_info fs/ocfs2/slot_map.c:307 [inline]
ocfs2_free_slot_info+0x94/0x270 fs/ocfs2/slot_map.c:443
ocfs2_delete_osb+0x58/0x180 fs/ocfs2/super.c:2497
ocfs2_dismount_volume+0x594/0x8f0 fs/ocfs2/super.c:1936
generic_shutdown_super+0x139/0x2d0 fs/super.c:642
kill_block_super+0x44/0x90 fs/super.c:1696
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/0x310 kernel/task_work.c:228
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0xa2f/0x28e0 kernel/exit.c:939
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3bc9aeed89
Code: Unable to access opcode bytes at 0x7f3bc9aeed5f.
RSP: 002b:00007fffe69f4fd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3bc9aeed89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f3bc9b6f390 R08: ffffffffffffffb8 R09: 0000000000004469
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3bc9b6f390
R13: 0000000000000000 R14: 00007f3bc9b70100 R15: 00007f3bc9abd060
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4680 fs/ocfs2/inode.c:1220
Code: 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 bf 77 71 fe 4c 01 f3 4d 8b 24 24 49 83 c4 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 9e 77 71 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000af67180 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff520015ece44 RCX: ffff888000bfc880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000af678d0 R08: ffffffff838d258e R09: 1ffff11008c13616
R10: dffffc0000000000 R11: ffffed1008c13617 R12: 0000000000000008
R13: 1ffff11008c13644 R14: dffffc0000000000 R15: ffff88804609b338
FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3bc9b39378 CR3: 0000000011c58000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 4c 89 e0 mov %r12,%rax
5: 48 c1 e8 03 shr $0x3,%rax
9: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
e: 74 08 je 0x18
10: 4c 89 e7 mov %r12,%rdi
13: e8 bf 77 71 fe call 0xfe7177d7
18: 4c 01 f3 add %r14,%rbx
1b: 4d 8b 24 24 mov (%r12),%r12
1f: 49 83 c4 08 add $0x8,%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 9e 77 71 fe call 0xfe7177d7
39: 49 8b 3c 24 mov (%r12),%rdi
3d: 49 rex.WB
3e: 81 .byte 0x81
3f: c7 .byte 0xc7
---
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] 3+ messages in thread
* Re: [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown
2024-09-17 13:24 [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown syzbot
2024-10-19 6:17 ` syzbot
@ 2024-11-08 22:52 ` syzbot
1 sibling, 0 replies; 3+ messages in thread
From: syzbot @ 2024-11-08 22:52 UTC (permalink / raw)
To: akpm, jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel,
ocfs2-devel, syzkaller-bugs, torvalds, vvidic
syzbot has bisected this issue to:
commit da5e7c87827e8caa6a1eeec6d95dcf74ab592a01
Author: Valentin Vidic <vvidic@valentin-vidic.from.hr>
Date: Fri Nov 5 20:34:49 2021 +0000
ocfs2: cleanup journal init and shutdown
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=128b2ea7980000
start commit: c88416ba074a Add linux-next specific files for 20241101
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=118b2ea7980000
console output: https://syzkaller.appspot.com/x/log.txt?x=168b2ea7980000
kernel config: https://syzkaller.appspot.com/x/.config?x=704b6be2ac2f205f
dashboard link: https://syzkaller.appspot.com/bug?extid=d7935821694d430624ea
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1445ab40580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1200e987980000
Reported-by: syzbot+d7935821694d430624ea@syzkaller.appspotmail.com
Fixes: da5e7c87827e ("ocfs2: cleanup journal init and shutdown")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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2024-09-17 13:24 [syzbot] [ocfs2?] INFO: trying to register non-static key in ocfs2_dlm_shutdown syzbot
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