Bluetooth: hci0: link tx timeout
Bluetooth: hci0: killing stalled connection 11:aa:aa:aa:aa:aa
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:580
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 291, name: kworker/u5:7
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by kworker/u5:7/291:
#0: ffff888016714938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff888040b87d90 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b740 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
CPU: 0 PID: 291 Comm: kworker/u5:7 Not tainted 6.5.0-rc1-next-20230712 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci0 hci_tx_work
Call Trace:
<TASK>
dump_stack_lvl+0xc1/0xf0
__might_resched+0x2f9/0x510
__mutex_lock+0x9e/0x1a30
hci_cmd_sync_submit+0x3b/0x2d0
hci_cmd_sync_queue+0x7b/0xb0
hci_disconnect+0x1c2/0x450
__check_timeout+0x2cc/0x480
hci_tx_work+0x7cb/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2f/0x70
ret_from_fork_asm+0x1b/0x30
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
=============================
[ BUG: Invalid wait context ]
6.5.0-rc1-next-20230712 #1 Tainted: G W
-----------------------------
kworker/u5:7/291 is trying to lock:
ffff888017b7c9b0 (&hdev->unregister_lock){+.+.}-{3:3}, at: hci_cmd_sync_submit+0x3b/0x2d0
other info that might help us debug this:
context-{4:4}
3 locks held by kworker/u5:7/291:
#0: ffff888016714938 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff888040b87d90 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b740 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
stack backtrace:
CPU: 0 PID: 291 Comm: kworker/u5:7 Tainted: G W 6.5.0-rc1-next-20230712 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci0 hci_tx_work
Call Trace:
<TASK>
dump_stack_lvl+0x91/0xf0
__lock_acquire+0x1605/0x6340
lock_acquire+0x19a/0x4c0
__mutex_lock+0x12a/0x1a30
hci_cmd_sync_submit+0x3b/0x2d0
hci_cmd_sync_queue+0x7b/0xb0
hci_disconnect+0x1c2/0x450
__check_timeout+0x2cc/0x480
hci_tx_work+0x7cb/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2f/0x70
ret_from_fork_asm+0x1b/0x30
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
Bluetooth: hci0: link tx timeout
Bluetooth: hci0: killing stalled connection 11:aa:aa:aa:aa:aa
Bluetooth: hci5: link tx timeout
Bluetooth: hci5: killing stalled connection 11:aa:aa:aa:aa:aa
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci5: command 0x0406 tx timeout
Bluetooth: hci5: link tx timeout
Bluetooth: hci5: killing stalled connection 11:aa:aa:aa:aa:aa
Bluetooth: hci5: link tx timeout
Bluetooth: hci5: killing stalled connection 11:aa:aa:aa:aa:aa