BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 7221 Comm: kworker/u5:1 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci1722 hci_power_on
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:3082 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3181 [inline]
 validate_chain kernel/locking/lockdep.c:3202 [inline]
 __lock_acquire.cold+0x11/0x3f8 kernel/locking/lockdep.c:4355
 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4934
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xbf kernel/locking/spinlock.c:159
 try_to_wake_up+0x9f/0x1780 kernel/sched/core.c:2539
 wake_up_worker kernel/workqueue.c:836 [inline]
 insert_work+0x2ad/0x3a0 kernel/workqueue.c:1339
 __queue_work+0x50d/0x1280 kernel/workqueue.c:1490
 queue_work_on+0x18b/0x200 kernel/workqueue.c:1517
 queue_work include/linux/workqueue.h:507 [inline]
 req_run+0x2e0/0x500 net/bluetooth/hci_request.c:90
 hci_req_run_skb net/bluetooth/hci_request.c:102 [inline]
 __hci_req_sync+0x1dd/0x830 net/bluetooth/hci_request.c:215
 __hci_init net/bluetooth/hci_core.c:898 [inline]
 hci_dev_do_open+0xfa5/0x18b0 net/bluetooth/hci_core.c:1556
 hci_power_on+0x11d/0x610 net/bluetooth/hci_core.c:2230
 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352