BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0H Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/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] __journal_res_get+0x414/0x20ec fs/bcachefs/journal.c:613 bch2_journal_res_get_slowpath+0xe8/0x904 fs/bcachefs/journal.c:734 bch2_journal_res_get+0x5ac/0x6a0 fs/bcachefs/journal.h:401 bch2_trans_journal_res_get fs/bcachefs/btree_trans_commit.c:354 [inline] bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:635 [inline] do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:854 [inline] __bch2_trans_commit+0x2a14/0x625c fs/bcachefs/btree_trans_commit.c:1085 bch2_trans_commit fs/bcachefs/btree_update.h:241 [inline] __bch2_btree_node_update_key+0x834/0x15c0 fs/bcachefs/btree_update_interior.c:2530 bch2_btree_node_update_key+0x344/0x4f0 fs/bcachefs/btree_update_interior.c:2598 bch2_btree_node_update_key_get_iter+0x3dc/0x460 fs/bcachefs/btree_update_interior.c:2622 btree_node_write_work+0x58c/0x8b0 fs/bcachefs/btree_io.c:2203 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844