BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 7598 Comm: kworker/u4:7 Not tainted 6.1.62-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: events_unbound btrfs_async_reclaim_metadata_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
 __stack_depot_save+0x220/0x4dc lib/stackdepot.c:479
 kasan_save_stack+0x58/0x70 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
 call_rcu+0xfc/0xa40 kernel/rcu/tree.c:2799
 radix_tree_node_free lib/radix-tree.c:308 [inline]
 delete_node+0x1ac/0x6ac lib/radix-tree.c:571
 __radix_tree_delete+0x258/0x324 lib/radix-tree.c:1377
 radix_tree_delete_item+0x30c/0x38c lib/radix-tree.c:1428
 radix_tree_delete+0x2c/0x3c lib/radix-tree.c:1445
 release_extent_buffer+0x1e0/0x2e8 fs/btrfs/extent_io.c:4745
 free_extent_buffer_stale+0xd4/0x240 fs/btrfs/extent_io.c:4810
 __btrfs_cow_block+0xd04/0x1824 fs/btrfs/ctree.c:515
 btrfs_cow_block+0x314/0xaa4 fs/btrfs/ctree.c:605
 btrfs_search_slot+0xb7c/0x2948
 lookup_inline_extent_backref+0x30c/0x10dc fs/btrfs/extent-tree.c:832
 lookup_extent_backref fs/btrfs/extent-tree.c:1059 [inline]
 __btrfs_free_extent+0x254/0x28c8 fs/btrfs/extent-tree.c:2967
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1680 [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+0xe14/0x3a90 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_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1080
 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