BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 42 Comm: kworker/u8:3 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: btrfs-endio-write btrfs_work_helper Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain kernel/locking/lockdep.c:3837 [inline] __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608 __mutex_lock kernel/locking/mutex.c:752 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804 btrfs_delayed_update_inode+0x80/0x450 fs/btrfs/delayed-inode.c:1937 btrfs_update_inode+0x11c/0x2b8 fs/btrfs/inode.c:4066 btrfs_update_inode_fallback fs/btrfs/inode.c:4080 [inline] btrfs_finish_one_ordered+0x98c/0x13ec fs/btrfs/inode.c:3180 btrfs_finish_ordered_io+0x124/0x138 fs/btrfs/inode.c:3286 finish_ordered_fn+0x20/0xa8 fs/btrfs/ordered-data.c:302 btrfs_work_helper+0x37c/0xda4 fs/btrfs/async-thread.c:314 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860