INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 3642 Comm: kworker/u5:8 Not tainted 5.17.0-rc3-syzkaller-00247-g83e396641110 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci8 hci_cmd_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 assign_lock_key kernel/locking/lockdep.c:951 [inline]
 register_lock_class+0xd28/0x1030 kernel/locking/lockdep.c:1263
 __lock_acquire+0x106/0x5470 kernel/locking/lockdep.c:4906
 lock_acquire kernel/locking/lockdep.c:5639 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
 percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
 hci_uart_send_frame+0x8c/0x6b0 drivers/bluetooth/hci_ldisc.c:279
 hci_send_frame+0x1c0/0x370 net/bluetooth/hci_core.c:2941
 hci_cmd_work+0x204/0x3c0 net/bluetooth/hci_core.c:3860
 process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
 worker_thread+0x657/0x1110 kernel/workqueue.c:2454
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>