BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 2765 Comm: kworker/u8:12 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: events_unbound btrfs_async_reclaim_metadata_space
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868
 __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]
 xa_store+0x30/0x68 lib/xarray.c:1733
 add_delayed_ref_head+0x344/0x854 fs/btrfs/delayed-ref.c:879
 add_delayed_ref+0x6dc/0x1a30 fs/btrfs/delayed-ref.c:1059
 btrfs_add_delayed_tree_ref+0x94/0x148 fs/btrfs/delayed-ref.c:1117
 btrfs_alloc_tree_block+0x9c4/0xe38 fs/btrfs/extent-tree.c:5208
 btrfs_force_cow_block+0x404/0x2058 fs/btrfs/ctree.c:517
 btrfs_cow_block+0x328/0x940 fs/btrfs/ctree.c:708
 btrfs_search_slot+0x96c/0x2228 fs/btrfs/ctree.c:2130
 btrfs_insert_empty_items fs/btrfs/ctree.c:4315 [inline]
 btrfs_insert_empty_item fs/btrfs/ctree.h:665 [inline]
 btrfs_insert_item+0x100/0x290 fs/btrfs/ctree.c:4344
 insert_block_group_item fs/btrfs/block-group.c:2673 [inline]
 btrfs_create_pending_block_groups+0x344/0x1514 fs/btrfs/block-group.c:2788
 __btrfs_end_transaction+0x134/0x5f4 fs/btrfs/transaction.c:1078
 btrfs_end_transaction+0x24/0x34 fs/btrfs/transaction.c:1117
 flush_space+0x30c/0xb64 fs/btrfs/space-info.c:898
 do_async_reclaim_metadata_space+0x108/0x324 fs/btrfs/space-info.c:1185
 btrfs_async_reclaim_metadata_space+0x90/0xd8 fs/btrfs/space-info.c:1252
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844