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: 5663 Comm: syz-executor Not tainted 6.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__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+0x292/0x9a0 kernel/locking/lockdep.c:1295
__lock_acquire+0x19c/0x8080 kernel/locking/lockdep.c:5077
lock_acquire+0x1ed/0x540 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+0xc4/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/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+0x167/0x360 kernel/entry/common.c:218
do_syscall_64+0x8e/0x160 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f1ce897f327
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:00007ffe1351c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1ce897f327
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1351c8c0
RBP: 00007ffe1351c8c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1351d940
R13: 00007f1ce89f0134 R14: 00000000000175d6 R15: 00007ffe1351d980
ocfs2: Unmounting device (7,0) on (node local)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 5663 Comm: syz-executor Not tainted 6.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4640 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 1f c5 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 fe c4 71 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000332f320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff52000665e78 RCX: ffff88801bf39e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000332fa70 R08: ffffffff8387a30e R09: 1ffff1100e576616
R10: dffffc0000000000 R11: ffffed100e576617 R12: 0000000000000008
R13: 1ffff1100e576644 R14: dffffc0000000000 R15: ffff888072bb3338
FS: 000055558a2a9500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d7e6777000 CR3: 000000003077e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
evict+0x4e8/0x9a0 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+0xc4/0x120 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
task_work_run+0x24f/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+0x167/0x360 kernel/entry/common.c:218
do_syscall_64+0x8e/0x160 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f1ce897f327
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:00007ffe1351c808 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1ce897f327
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1351c8c0
RBP: 00007ffe1351c8c0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1351d940
R13: 00007f1ce89f0134 R14: 00000000000175d6 R15: 00007ffe1351d980
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1208 [inline]
RIP: 0010:ocfs2_evict_inode+0xdd3/0x4640 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 1f c5 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 fe c4 71 fe 49 8b 3c 24 49 81 c7
RSP: 0018:ffffc9000332f320 EFLAGS: 00010202
RAX: 0000000000000001 RBX: fffff52000665e78 RCX: ffff88801bf39e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000332fa70 R08: ffffffff8387a30e R09: 1ffff1100e576616
R10: dffffc0000000000 R11: ffffed100e576617 R12: 0000000000000008
R13: 1ffff1100e576644 R14: dffffc0000000000 R15: ffff888072bb3338
FS: 000055558a2a9500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d7e6777000 CR3: 000000003077e000 CR4: 00000000003526f0
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 1f c5 71 fe call 0xfe71c537
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 fe c4 71 fe call 0xfe71c537
39: 49 8b 3c 24 mov (%r12),%rdi
3d: 49 rex.WB
3e: 81 .byte 0x81
3f: c7 .byte 0xc7