BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 485 Comm: kworker/u4:6 Not tainted 6.6.0-rc6-syzkaller-g78124b0c1d10 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: btrfs-endio-write btrfs_work_helper
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline]
 validate_chain kernel/locking/lockdep.c:3836 [inline]
 __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753
 __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+0x70/0xd44 fs/btrfs/block-group.c:3678
 find_free_extent+0x27c4/0x4eac fs/btrfs/extent-tree.c:4389
 btrfs_reserve_extent+0x35c/0x674 fs/btrfs/extent-tree.c:4516
 btrfs_alloc_tree_block+0x1b0/0x1444 fs/btrfs/extent-tree.c:4931
 __btrfs_cow_block+0x3f4/0x1924 fs/btrfs/ctree.c:546
 btrfs_cow_block+0x314/0xa0c fs/btrfs/ctree.c:724
 push_leaf_left+0x2bc/0x4ec fs/btrfs/ctree.c:3609
 split_leaf+0x394/0x119c fs/btrfs/ctree.c:3805
 setup_leaf_for_split+0x420/0x5bc fs/btrfs/ctree.c:4004
 btrfs_duplicate_item+0xfc/0x358 fs/btrfs/ctree.c:4461
 btrfs_drop_extents+0xd84/0x2c8c fs/btrfs/file.c:349
 insert_reserved_file_extent+0x2bc/0xa7c fs/btrfs/inode.c:2895
 insert_ordered_extent_file_extent fs/btrfs/inode.c:3002 [inline]
 btrfs_finish_one_ordered+0xd78/0x16f8 fs/btrfs/inode.c:3106
 btrfs_finish_ordered_io+0xf8/0x10c fs/btrfs/inode.c:3229
 finish_ordered_fn+0x20/0xa8 fs/btrfs/ordered-data.c:303
 btrfs_work_helper+0x340/0x1504 fs/btrfs/async-thread.c:314
 process_one_work+0x694/0x1204 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:2784
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857