BUG: MAX_LOCKDEP_KEYS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: btrfs-endio-meta simple_end_io_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 register_lock_class+0x310/0x348 kernel/locking/lockdep.c:1332 __lock_acquire+0xbc/0x30a4 kernel/locking/lockdep.c:5112 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868 process_one_work+0x69c/0x1558 kernel/workqueue.c:3232 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3421 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844