BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 16914 Comm: kworker/u4:20 Not tainted 6.1.69-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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/0x5c lib/dump_stack.c:113
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 __stack_depot_save+0x220/0x4dc lib/stackdepot.c:479
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x64/0x80 mm/kasan/common.c:52
 kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:516
 ____kasan_slab_free+0x144/0x1c0 mm/kasan/common.c:236
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:244
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x2f0/0x588 mm/slub.c:3683
 free_extent_state+0x1b0/0x468 fs/btrfs/extent-io-tree.c:174
 merge_state+0x1dc/0x3fc fs/btrfs/extent-io-tree.c:355
 insert_state+0x2a0/0x360 fs/btrfs/extent-io-tree.c:427
 __set_extent_bit+0xe70/0x1650 fs/btrfs/extent-io-tree.c:1115
 set_extent_bit+0x58/0x70 fs/btrfs/extent-io-tree.c:1171
 btrfs_alloc_tree_block+0x9ec/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+0x2c0/0x4c0 fs/btrfs/extent-tree.c:2147
 commit_cowonly_roots+0x574/0x740 fs/btrfs/transaction.c:1326
 btrfs_commit_transaction+0x1228/0x2cd4 fs/btrfs/transaction.c:2423
 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