BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 541 Comm: kworker/u8:6 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: btree_update btree_interior_update_work Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (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:3856 [inline] validate_chain kernel/locking/lockdep.c:3877 [inline] __lock_acquire+0xf50/0x3058 kernel/locking/lockdep.c:5235 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5866 _raw_spin_lock_nested+0x50/0x6c kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:605 [inline] raw_spin_rq_lock kernel/sched/sched.h:1513 [inline] rq_lock kernel/sched/sched.h:1837 [inline] ttwu_queue kernel/sched/core.c:3998 [inline] try_to_wake_up+0x434/0xdf0 kernel/sched/core.c:4328 wake_up_process kernel/sched/core.c:4461 [inline] wake_up_q+0x70/0x9c kernel/sched/core.c:1080 raw_spin_unlock_irqrestore_wake include/linux/sched/wake_q.h:96 [inline] __mutex_unlock_slowpath+0x378/0x618 kernel/locking/mutex.c:949 mutex_unlock+0x18/0x24 kernel/locking/mutex.c:539 bch2_mark_replicas_slowpath+0x3c0/0x48c fs/bcachefs/replicas.c:348 bch2_mark_replicas+0x54/0x58 fs/bcachefs/replicas.c:362 bch2_accounting_update_sb_one fs/bcachefs/disk_accounting.c:292 [inline] bch2_accounting_update_sb+0x3b8/0xa80 fs/bcachefs/disk_accounting.c:306 bch2_trans_commit_error+0x194/0x114c fs/bcachefs/btree_trans_commit.c:910 __bch2_trans_commit+0x5100/0x62d0 fs/bcachefs/btree_trans_commit.c:1069 bch2_trans_commit fs/bcachefs/btree_update.h:195 [inline] btree_update_nodes_written fs/bcachefs/btree_update_interior.c:705 [inline] btree_interior_update_work+0xb80/0x1cfc fs/bcachefs/btree_update_interior.c:843 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847