BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 209 Comm: kworker/u8:4 Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: btrfs-endio-write btrfs_work_helper
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 lookup_chain_cache_add kernel/locking/lockdep.c:3853 [inline]
 validate_chain kernel/locking/lockdep.c:3874 [inline]
 __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5228
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 btrfs_add_reserved_bytes+0x74/0x82c fs/btrfs/block-group.c:3761
 find_free_extent+0x3584/0x4c88 fs/btrfs/extent-tree.c:4545
 btrfs_reserve_extent+0x35c/0x674 fs/btrfs/extent-tree.c:4672
 btrfs_alloc_tree_block+0x1ac/0x10c8 fs/btrfs/extent-tree.c:5125
 btrfs_force_cow_block+0x428/0x1c80 fs/btrfs/ctree.c:506
 btrfs_cow_block+0x2ec/0x7cc fs/btrfs/ctree.c:688
 btrfs_search_slot+0xa74/0x272c fs/btrfs/ctree.c:2088
 btrfs_lookup_file_extent+0x124/0x1bc fs/btrfs/file-item.c:265
 btrfs_drop_extents+0x374/0x2860 fs/btrfs/file.c:188
 insert_reserved_file_extent+0x2bc/0xa74 fs/btrfs/inode.c:2949
 insert_ordered_extent_file_extent fs/btrfs/inode.c:3053 [inline]
 btrfs_finish_one_ordered+0xa10/0x1a2c fs/btrfs/inode.c:3171
 btrfs_finish_ordered_io+0x120/0x134 fs/btrfs/inode.c:3313
 finish_ordered_fn+0x20/0x30 fs/btrfs/ordered-data.c:331
 btrfs_work_helper+0x384/0xd60 fs/btrfs/async-thread.c:314
 process_one_work+0x810/0x1638 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x97c/0xeec kernel/workqueue.c:3400
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862