BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4406 Comm: kworker/u4:7 Not tainted 6.1.64-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: events_unbound btrfs_async_reclaim_data_space
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:3771 [inline]
 validate_chain kernel/locking/lockdep.c:3792 [inline]
 __lock_acquire+0x1b8c/0x764c kernel/locking/lockdep.c:5048
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5661
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 get_partial_node+0x44/0x3cc mm/slub.c:2210
 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
 kmem_cache_zalloc include/linux/slab.h:679 [inline]
 __alloc_extent_buffer+0x40/0x1d4 fs/btrfs/extent_io.c:4277
 alloc_extent_buffer+0x154/0x114c fs/btrfs/extent_io.c:4597
 btrfs_find_create_tree_block+0x3c/0x50 fs/btrfs/disk-io.c:924
 btrfs_init_new_buffer fs/btrfs/extent-tree.c:4877 [inline]
 btrfs_alloc_tree_block+0x21c/0x1478 fs/btrfs/extent-tree.c:4996
 __btrfs_cow_block+0x3f4/0x1824 fs/btrfs/ctree.c:433
 btrfs_cow_block+0x314/0xaa4 fs/btrfs/ctree.c:605
 push_leaf_right+0x26c/0x690 fs/btrfs/ctree.c:3154
 split_leaf+0x310/0x1134 fs/btrfs/ctree.c:3572
 search_leaf fs/btrfs/ctree.c:1918 [inline]
 btrfs_search_slot+0x21fc/0x2948 fs/btrfs/ctree.c:2103
 btrfs_insert_empty_items+0xa4/0x178 fs/btrfs/ctree.c:4165
 btrfs_insert_empty_item fs/btrfs/ctree.h:3131 [inline]
 alloc_reserved_tree_block fs/btrfs/extent-tree.c:4765 [inline]
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1675 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1704 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1953 [inline]
 __btrfs_run_delayed_refs+0x1040/0x3a90 fs/btrfs/extent-tree.c:2016
 btrfs_run_delayed_refs+0x13c/0x4c0 fs/btrfs/extent-tree.c:2147
 btrfs_commit_transaction+0x308/0x2cd4 fs/btrfs/transaction.c:2170
 flush_space+0x870/0xdb8 fs/btrfs/space-info.c:807
 btrfs_async_reclaim_data_space+0x210/0x410 fs/btrfs/space-info.c:1312
 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:864