BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 43 Comm: kworker/u8:3 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 reacquire_held_locks+0x234/0x454 kernel/locking/lockdep.c:5279 __lock_release kernel/locking/lockdep.c:5468 [inline] lock_release+0x334/0x9b8 kernel/locking/lockdep.c:5774 up_write+0x88/0x760 kernel/locking/rwsem.c:1631 btrfs_tree_unlock+0xdc/0x2e0 fs/btrfs/locking.c:216 btrfs_force_cow_block+0xed8/0x1a58 fs/btrfs/ctree.c:655 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:746 btrfs_search_slot+0xba0/0x2a08 btrfs_lookup_file_extent+0x124/0x1bc fs/btrfs/file-item.c:266 btrfs_drop_extents+0x370/0x2ad8 fs/btrfs/file.c:251 insert_reserved_file_extent+0x2b4/0xa6c fs/btrfs/inode.c:2952 insert_ordered_extent_file_extent+0x350/0x510 fs/btrfs/inode.c:3059 btrfs_finish_one_ordered+0x6ac/0x12a0 fs/btrfs/inode.c:3167 btrfs_finish_ordered_io+0x124/0x138 fs/btrfs/inode.c:3309 finish_ordered_fn+0x20/0x30 fs/btrfs/ordered-data.c:308 btrfs_work_helper+0x340/0xd28 fs/btrfs/async-thread.c:314 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248 process_scheduled_works kernel/workqueue.c:3329 [inline] worker_thread+0x938/0xecc kernel/workqueue.c:3409 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860