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: 0 PID: 5722 Comm: kworker/u5:8 Not tainted 6.0.0-rc6-syzkaller-00309-g1a61b828566f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: hci6 hci_cmd_work
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 assign_lock_key+0x22a/0x240 kernel/locking/lockdep.c:979
 register_lock_class+0x287/0x9b0 kernel/locking/lockdep.c:1292
 __lock_acquire+0xe4/0x1f60 kernel/locking/lockdep.c:4932
 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5666
 percpu_down_read+0x44/0x190 include/linux/percpu-rwsem.h:51
 hci_uart_send_frame+0x55/0x480 drivers/bluetooth/hci_ldisc.c:279
 hci_send_frame+0x1eb/0x330 net/bluetooth/hci_core.c:2961
 hci_cmd_work+0x1b6/0x3c0 net/bluetooth/hci_core.c:4055
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>