BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 1601 Comm: kworker/u4:5 Not tainted 6.1.43-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: btrfs-endio-write btrfs_work_helper
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3779 [inline]
 validate_chain kernel/locking/lockdep.c:3800 [inline]
 __lock_acquire+0x1b8c/0x764c kernel/locking/lockdep.c:5056
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 put_cpu_partial+0x68/0x1fc mm/slub.c:2634
 get_partial_node+0x154/0x3cc mm/slub.c:2234
 get_partial mm/slub.c:2325 [inline]
 ___slab_alloc+0x684/0xee0 mm/slub.c:3175
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x2cc/0x37c mm/slub.c:3422
 btrfs_add_delayed_tree_ref+0x1c8/0xe58 fs/btrfs/delayed-ref.c:937
 btrfs_alloc_tree_block+0xd60/0x1478 fs/btrfs/extent-tree.c:5019
 __btrfs_cow_block+0x3f4/0x1824 fs/btrfs/ctree.c:433
 btrfs_cow_block+0x354/0x7dc fs/btrfs/ctree.c:593
 push_leaf_left+0x2c0/0x4ec fs/btrfs/ctree.c:3358
 split_leaf+0x394/0x1134 fs/btrfs/ctree.c:3554
 search_leaf fs/btrfs/ctree.c:1892 [inline]
 btrfs_search_slot+0x21fc/0x2948 fs/btrfs/ctree.c:2077
 btrfs_insert_empty_items+0xa4/0x178 fs/btrfs/ctree.c:4139
 btrfs_insert_empty_item fs/btrfs/ctree.h:3130 [inline]
 btrfs_csum_file_blocks+0xbcc/0x1554 fs/btrfs/file-item.c:1176
 add_pending_csums fs/btrfs/inode.c:2784 [inline]
 btrfs_finish_ordered_io+0xc44/0x1788 fs/btrfs/inode.c:3317
 finish_ordered_fn+0x20/0x30 fs/btrfs/ordered-data.c:280
 btrfs_work_helper+0x31c/0xd98 fs/btrfs/async-thread.c:280
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860