BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0H Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: bcachefs_btree_write_complete btree_node_write_work
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:3858 [inline]
 validate_chain kernel/locking/lockdep.c:3879 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 update_cfs_rq_load_avg kernel/sched/fair.c:4608 [inline]
 update_load_avg+0x19c/0x153c kernel/sched/fair.c:4767
 dequeue_entity+0x3bc/0x1240 kernel/sched/fair.c:5498
 dequeue_entities+0x190/0xf50 kernel/sched/fair.c:7094
 dequeue_task_fair+0x1d0/0x3ec kernel/sched/fair.c:7193
 dequeue_task+0x1f8/0x2bc kernel/sched/core.c:2116
 block_task kernel/sched/core.c:2149 [inline]
 try_to_block_task kernel/sched/core.c:6619 [inline]
 __schedule+0x4f8/0x2a14 kernel/sched/core.c:6735
 __schedule_loop kernel/sched/core.c:6864 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6879
 six_lock_slowpath+0x4d0/0x1424 fs/bcachefs/six.c:500
 six_lock_ip_waiter+0x120/0x174 fs/bcachefs/six.c:553
 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:237 [inline]
 btree_node_lock_nopath+0xc0/0x150 fs/bcachefs/btree_locking.h:253
 btree_node_lock fs/bcachefs/btree_locking.h:301 [inline]
 btree_path_lock_root fs/bcachefs/btree_iter.c:768 [inline]
 bch2_btree_path_traverse_one+0x7d8/0x1f0c fs/bcachefs/btree_iter.c:1203
 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:250 [inline]
 bch2_btree_iter_traverse+0x44c/0x884 fs/bcachefs/btree_iter.c:1898
 get_iter_to_node+0xf0/0x304 fs/bcachefs/btree_update_interior.c:2211
 bch2_btree_node_update_key_get_iter+0xac/0x460 fs/bcachefs/btree_update_interior.c:2615
 btree_node_write_work+0x58c/0x8b0 fs/bcachefs/btree_io.c:2203
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3402
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844