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 PID: 4272 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 assign_lock_key+0x201/0x230 kernel/locking/lockdep.c:974
 register_lock_class+0x21d/0x870 kernel/locking/lockdep.c:1287
 __lock_acquire+0x16f/0x7d10 kernel/locking/lockdep.c:4928
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x159/0x600 fs/ocfs2/dlmglue.c:3515
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3571 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3579 [inline]
 ocfs2_dlm_shutdown+0x36/0x240 fs/ocfs2/dlmglue.c:3389
 ocfs2_dismount_volume+0x47f/0x940 fs/ocfs2/super.c:1923
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x42c/0x4b0 fs/namespace.c:1191
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f78b139d1d7
Code: a2 c7 05 bc e3 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffd1a493508 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f78b1431c3b RCX: 00007f78b139d1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd1a4935c0
RBP: 00007ffd1a4935c0 R08: 00007ffd1a4945c0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1a494650
R13: 00007f78b1431c3b R14: 00000000001260b3 R15: 00007ffd1a494690
 </TASK>
ocfs2: Unmounting device (7,3) on (node local)