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: 24451 Comm: kworker/u5:2 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: hci11 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:979 [inline]
 register_lock_class+0xf30/0x1130 kernel/locking/lockdep.c:1292
 __lock_acquire+0x10a/0x5660 kernel/locking/lockdep.c:4932
 lock_acquire kernel/locking/lockdep.c:5666 [inline]
 lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631
 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:2944
 hci_cmd_work+0x207/0x3c0 net/bluetooth/hci_core.c:3863
 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:306
 </TASK>