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: 3077 Comm: kworker/u5:3 Not tainted 6.0.0-rc2-syzkaller-16455-ga41a877bc12d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: hci7 hci_cmd_work
Call trace:
 dump_backtrace+0x1b0/0x1dc arch/arm64/kernel/stacktrace.c:182
 show_stack+0x2c/0x64 arch/arm64/kernel/stacktrace.c:189
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 assign_lock_key+0x134/0x140 kernel/locking/lockdep.c:979
 register_lock_class+0xc4/0x2f8 kernel/locking/lockdep.c:1292
 __lock_acquire+0xa8/0x30a4 kernel/locking/lockdep.c:4932
 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666
 percpu_down_read+0x74/0x1e0 include/linux/percpu-rwsem.h:51
 hci_uart_send_frame+0x34/0xc8 drivers/bluetooth/hci_ldisc.c:279
 hci_send_frame+0xd4/0x174 net/bluetooth/hci_core.c:2961
 hci_cmd_work+0xec/0x1e4 net/bluetooth/hci_core.c:4055
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20
Unable to handle kernel paging request at virtual address ffff8001f1d10000
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005
  CM = 0, WnR = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c5736000
[ffff8001f1d10000] pgd=100000023ffff003
, p4d=100000023ffff003
, pud=0000000000000000