Bluetooth: Wrong link type (-71)
Bluetooth: hci3: link tx timeout
Bluetooth: hci3: killing stalled connection 10: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: 287, name: kworker/u5:3
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
3 locks held by kworker/u5:3/287:
#0: ffff888015bd7138 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88800f77fdb0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b6c0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
CPU: 1 PID: 287 Comm: kworker/u5:3 Not tainted 6.4.0-next-20230704 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci3 hci_tx_work
Call Trace:
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+0x11b1/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
=============================
[ BUG: Invalid wait context ]
6.4.0-next-20230704 #1 Tainted: G W
-----------------------------
kworker/u5:3/287 is trying to lock:
ffff88801ee289b0 (&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/u5:3/287:
#0: ffff888015bd7138 ((wq_completion)hci3#2){+.+.}-{0:0}, at: process_one_work+0x99d/0x1770
#1: ffff88800f77fdb0 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}, at: process_one_work+0x9d0/0x1770
#2: ffffffff8560b6c0 (rcu_read_lock){....}-{1:2}, at: __check_timeout+0x171/0x480
stack backtrace:
CPU: 1 PID: 287 Comm: kworker/u5:3 Tainted: G W 6.4.0-next-20230704 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: hci3 hci_tx_work
Call Trace:
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+0x11b1/0x1a70
process_one_work+0xabf/0x1770
worker_thread+0x64f/0x12a0
kthread+0x33f/0x440
ret_from_fork+0x2c/0x50
Bluetooth: Wrong link type (-71)
Bluetooth: hci3: link tx timeout
Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa
Bluetooth: Wrong link type (-71)
Bluetooth: hci3: link tx timeout
Bluetooth: hci3: killing stalled connection 10:aa:aa:aa:aa:aa
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
Bluetooth: hci3: command 0x0406 tx timeout
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
sit: Src spoofed 0.0.0.156/2002::9c00:0:0:22 -> 172.20.20.170/::
sit: Src spoofed 0.0.0.156/2002::9c00:0:0:22 -> 172.20.20.170/::
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'.
sit: Src spoofed 0.0.0.156/2002::9c00:0:0:22 -> 172.20.20.170/::
sit: Src spoofed 0.0.0.156/2002::9c00:0:0:22 -> 172.20.20.170/::
sit: Src spoofed 0.0.0.156/2002::9c00:0:0:22 -> 172.20.20.170/::
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
9pnet: Could not find request transport: fd5$4+zA^ @W̎"l@qߡGLJB*}
Bluetooth: hci3: command 0x0406 tx timeout
audit: type=1326 audit(2000000107.141:40): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=8071 comm="syz-executor.6" exe="/syz-executor.6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fed45713b19 code=0x0