BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 508 Comm: kworker/u4:6 Not tainted 6.8.0-rc6-syzkaller-g9910665503b3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Workqueue: btrfs-endio-write btrfs_work_helper
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
 __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:3816 [inline]
 validate_chain kernel/locking/lockdep.c:3837 [inline]
 __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
 __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]
 alloc_extent_buffer+0x6b8/0x1a7c fs/btrfs/extent_io.c:3708
 btrfs_find_create_tree_block+0x3c/0x50 fs/btrfs/disk-io.c:610
 btrfs_init_new_buffer fs/btrfs/extent-tree.c:5051 [inline]
 btrfs_alloc_tree_block+0x21c/0x1340 fs/btrfs/extent-tree.c:5166
 btrfs_force_cow_block+0x4c0/0x1a58 fs/btrfs/ctree.c:571
 btrfs_cow_block+0x314/0xa0c fs/btrfs/ctree.c:749
 btrfs_search_slot+0xba0/0x2a00
 btrfs_lookup_csum+0x164/0x500 fs/btrfs/file-item.c:222
 btrfs_csum_file_blocks+0x2a4/0x1550 fs/btrfs/file-item.c:1071
 add_pending_csums fs/btrfs/inode.c:2613 [inline]
 btrfs_finish_one_ordered+0x88c/0x12d4 fs/btrfs/inode.c:3137
 btrfs_finish_ordered_io+0x124/0x138 fs/btrfs/inode.c:3261
 finish_ordered_fn+0x20/0xa8 fs/btrfs/ordered-data.c:303
 btrfs_work_helper+0x358/0x14f8 fs/btrfs/async-thread.c:315
 process_one_work+0x694/0x1204 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:2787
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860