BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 4300 Comm: kworker/u5:2 Not tainted 6.1.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: hci3 hci_rx_work 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:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] rq_lock kernel/sched/sched.h:1645 [inline] ttwu_queue kernel/sched/core.c:3899 [inline] try_to_wake_up+0x4c8/0xe60 kernel/sched/core.c:4224 wake_up_process+0x18/0x24 kernel/sched/core.c:4358 wake_up_worker kernel/workqueue.c:859 [inline] insert_work+0x2ac/0x384 kernel/workqueue.c:1369 __queue_work+0xd48/0x136c kernel/workqueue.c:1520 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] hci_cmd_sync_submit+0x200/0x230 net/bluetooth/hci_sync.c:734 hci_cmd_sync_queue net/bluetooth/hci_sync.c:755 [inline] hci_update_scan+0x74/0x84 net/bluetooth/hci_sync.c:3007 hci_conn_complete_evt+0x9c8/0x10d0 net/bluetooth/hci_event.c:3269 hci_event_func net/bluetooth/hci_event.c:7373 [inline] hci_event_packet+0x744/0x109c net/bluetooth/hci_event.c:7425 hci_rx_work+0x318/0xa68 net/bluetooth/hci_core.c:4085 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