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: 4189 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 assign_lock_key+0x1ec/0x200 kernel/locking/lockdep.c:967
 register_lock_class+0x21d/0x880 kernel/locking/lockdep.c:1280
 __lock_acquire+0x265/0x7d40 kernel/locking/lockdep.c:4997
 lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737
 __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+0x14a/0x5a0 fs/ocfs2/dlmglue.c:3532
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3588 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3596 [inline]
 ocfs2_dlm_shutdown+0x33/0x230 fs/ocfs2/dlmglue.c:3406
 ocfs2_dismount_volume+0x457/0x890 fs/ocfs2/super.c:1926
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_block_super+0x7c/0xe0 fs/super.c:1438
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x426/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:184
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1694daa397
Code: a2 c7 05 5c 43 25 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:00007ffc2cc66a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f1694e3f4bb RCX: 00007f1694daa397
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc2cc66ad0
RBP: 00007ffc2cc66ad0 R08: 00007ffc2cc67ad0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2cc67b60
R13: 00007f1694e3f4bb R14: 0000000000042a83 R15: 00007ffc2cc67ba0
 </TASK>
ocfs2: Unmounting device (7,0) on (node local)