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: 4799 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 assign_lock_key+0x1ec/0x200 kernel/locking/lockdep.c:937 register_lock_class+0x21d/0x890 kernel/locking/lockdep.c:1250 __lock_acquire+0x16f/0x7d10 kernel/locking/lockdep.c:4891 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5623 __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+0x45d/0x8a0 fs/ocfs2/super.c:1926 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+0x42d/0x4e0 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:181 exit_to_user_mode_prepare+0xee/0x180 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: 0033:0x7f4a774bce57 Code: a2 c7 05 1c b7 19 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:00007ffcd70a5438 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f4a7753e952 RCX: 00007f4a774bce57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcd70a54f0 RBP: 00007ffcd70a54f0 R08: 00007ffcd70a64f0 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcd70a6570 R13: 00007f4a7753e952 R14: 000000000001aa13 R15: 00007ffcd70a65b0 ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local) ocfs2: Unmounting device (7,0) on (node local)