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: 4173 Comm: syz-executor Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 assign_lock_key+0x1e0/0x1f0 kernel/locking/lockdep.c:937
 register_lock_class+0x20e/0x880 kernel/locking/lockdep.c:1250
 __lock_acquire+0x160/0x7c60 kernel/locking/lockdep.c:4891
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xa4/0xf0 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x122/0x570 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+0x43f/0x880 fs/ocfs2/super.c:1923
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1143
 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:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa603fa2c97
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:00007ffe888e2e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa60402389d RCX: 00007fa603fa2c97
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe888e2ee0
RBP: 00007ffe888e2ee0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe888e3f70
R13: 00007fa60402389d R14: 0000000000020084 R15: 00007ffe888e3fb0
 </TASK>
ocfs2: Unmounting device (7,4) on (node local)