=====================================
WARNING: bad unlock balance detected!
6.3.0-rc6-next-20230413 #1 Not tainted
-------------------------------------
kworker/u5:0/274 is trying to release lock (&conn->chan_lock) at:
[<ffffffff83e33c83>] l2cap_disconnect_rsp.constprop.0.isra.0+0x3d3/0x450
but there are no more locks to release!

other info that might help us debug this:
2 locks held by kworker/u5:0/274:
 #0: ffff88800f197938 ((wq_completion)hci2#2){+.+.}-{0:0}, at: process_one_work+0x91e/0x1660
 #1: ffff888016d2fdb0 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work+0x952/0x1660

stack backtrace:
CPU: 1 PID: 274 Comm: kworker/u5:0 Not tainted 6.3.0-rc6-next-20230413 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci2 hci_rx_work
Call Trace:
 <TASK>
 dump_stack_lvl+0x91/0xf0
 lock_release+0x4ce/0x680
 __mutex_unlock_slowpath+0x9f/0x5e0
 l2cap_disconnect_rsp.constprop.0.isra.0+0x3d3/0x450
 l2cap_recv_frame+0x7d3/0xa250
 l2cap_recv_acldata+0x935/0xaa0
 hci_rx_work+0x6c2/0x1110
 process_one_work+0xa20/0x1660
 worker_thread+0x64f/0x12a0
 kthread+0x33f/0x440
 ret_from_fork+0x2c/0x50
 </TASK>