BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 6588 Comm: kworker/u9:7 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: hci5 hci_power_on
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_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162
 lock_timer_base kernel/time/timer.c:1004 [inline]
 __mod_timer+0x19c/0xd00 kernel/time/timer.c:1085
 add_timer+0x6c/0x8c kernel/time/timer.c:1249
 schedule_timeout+0x124/0x270 kernel/time/sleep_timeout.c:98
 __hci_cmd_sync_sk+0x4f4/0xa80 net/bluetooth/hci_sync.c:176
 __hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:263 [inline]
 __hci_cmd_sync_status net/bluetooth/hci_sync.c:287 [inline]
 hci_reset_sync+0x5c/0x16c net/bluetooth/hci_sync.c:3664
 hci_init1_sync net/bluetooth/hci_sync.c:3750 [inline]
 hci_init_sync net/bluetooth/hci_sync.c:4885 [inline]
 hci_dev_init_sync net/bluetooth/hci_sync.c:5077 [inline]
 hci_dev_open_sync+0x9d4/0x2e3c net/bluetooth/hci_sync.c:5155
 hci_dev_do_open net/bluetooth/hci_core.c:430 [inline]
 hci_power_on+0x14c/0x694 net/bluetooth/hci_core.c:959
 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
Bluetooth: hci5: command tx timeout