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 PID: 9787 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 assign_lock_key+0x205/0x240 kernel/locking/lockdep.c:976
 register_lock_class+0x221/0x8a0 kernel/locking/lockdep.c:1289
 __lock_acquire+0x188/0x7d40 kernel/locking/lockdep.c:5014
 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb4/0x100 kernel/locking/spinlock.c:162
 ocfs2_mark_lockres_freeing+0x15d/0x600 fs/ocfs2/dlmglue.c:3517
 ocfs2_simple_drop_lockres fs/ocfs2/dlmglue.c:3573 [inline]
 ocfs2_drop_osb_locks fs/ocfs2/dlmglue.c:3581 [inline]
 ocfs2_dlm_shutdown+0x3a/0x240 fs/ocfs2/dlmglue.c:3391
 ocfs2_dismount_volume+0x461/0x8a0 fs/ocfs2/super.c:1922
 generic_shutdown_super+0x134/0x2b0 fs/super.c:693
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 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:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6d69b9bf17
Code: a2 c7 05 7c 96 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:00007ffeac74e008 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6d69c0471f RCX: 00007f6d69b9bf17
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeac74e0c0
RBP: 00007ffeac74e0c0 R08: 00007ffeac74f0c0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeac74f150
R13: 00007f6d69c0471f R14: 000000000012e5b8 R15: 00007ffeac74f190
 </TASK>
ocfs2: Unmounting device (7,7) on (node local)