============================================
WARNING: possible recursive locking detected
6.10.0-rc7-syzkaller-gc912bf709078 #0 Not tainted
--------------------------------------------
kworker/u9:1/11852 is trying to acquire lock:
ffff0000dad33948 ((wq_completion)hci1){+.+.}-{0:0}, at: touch_wq_lockdep_map+0x70/0x118 kernel/workqueue.c:3895

but task is already holding lock:
ffff0000dad33948 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3222

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock((wq_completion)hci1
);
  lock((wq_completion)hci1
);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by kworker/u9:1/11852:
 #0: 
ffff0000dad33948
 (
(wq_completion)hci1
){+.+.}-{0:0}
, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3222
 #1: 
ffff80009a287c20
 (
(work_completion)(&hdev->error_reset)
){+.+.}-{0:0}
, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3222

stack backtrace:
CPU: 1 PID: 11852 Comm: kworker/u9:1 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci1 hci_error_reset
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 print_deadlock_bug+0x4e4/0x660 kernel/locking/lockdep.c:3012
 check_deadlock kernel/locking/lockdep.c:3062 [inline]
 validate_chain kernel/locking/lockdep.c:3856 [inline]
 __lock_acquire+0x5fe4/0x763c kernel/locking/lockdep.c:5137
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754
 touch_wq_lockdep_map+0x98/0x118 kernel/workqueue.c:3895
 __flush_workqueue+0x118/0x1174 kernel/workqueue.c:3937
 drain_workqueue+0xb8/0x32c kernel/workqueue.c:4101
 destroy_workqueue+0xb8/0xdc0 kernel/workqueue.c:5817
 hci_release_dev+0x118/0x1194 net/bluetooth/hci_core.c:2763
 bt_host_release+0x70/0x88 net/bluetooth/hci_sysfs.c:94
 device_release+0x8c/0x1ac
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x2a8/0x41c lib/kobject.c:737
 put_device+0x28/0x40 drivers/base/core.c:3787
 hci_dev_put include/net/bluetooth/hci_core.h:1591 [inline]
 hci_error_reset+0x160/0x35c net/bluetooth/hci_core.c:1054
 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248
 process_scheduled_works kernel/workqueue.c:3329 [inline]
 worker_thread+0x938/0xecc kernel/workqueue.c:3409
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860