syzbot

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: 47 Comm: kworker/u5:0 Not tainted 5.18.0-rc3-syzkaller-00235-g22da5264abf4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci6 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:949 [inline]
 register_lock_class+0xf04/0x11b0 kernel/locking/lockdep.c:1262
 __lock_acquire+0x10a/0x56c0 kernel/locking/lockdep.c:4908
 lock_acquire kernel/locking/lockdep.c:5641 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606
 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+0x225/0x410 net/bluetooth/hci_core.c:2943
 hci_cmd_work+0x207/0x3c0 net/bluetooth/hci_core.c:3862
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>