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: 6506 Comm: syz-executor Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 assign_lock_key+0x19c/0x1a8 kernel/locking/lockdep.c:937 register_lock_class+0x1ac/0x694 kernel/locking/lockdep.c:1250 __lock_acquire+0x150/0x651c kernel/locking/lockdep.c:4891 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 ocfs2_mark_lockres_freeing+0x114/0x618 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+0x3c/0x22c fs/ocfs2/dlmglue.c:3389 ocfs2_dismount_volume+0x3d0/0x8ac fs/ocfs2/super.c:1923 ocfs2_put_super+0xec/0x308 fs/ocfs2/super.c:1610 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0xf8/0x118 fs/super.c:366 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x12c/0x1e0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 ocfs2: Unmounting device (7,5) on (node local)