Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9
Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4
Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3
Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2
INFO: task kworker/u5:0:306 blocked for more than 143 seconds.
Not tainted 5.18.0-next-20220527 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:0 state:D stack:26888 pid: 306 ppid: 2 flags:0x00004000
Workqueue: hci6 hci_power_on
Call Trace:
__schedule+0x88d/0x2460
schedule+0xd2/0x1f0
schedule_timeout+0x1c5/0x280
__wait_for_common+0x36f/0x4b0
__flush_work+0x53f/0xae0
__cancel_work_timer+0x398/0x4d0
hci_dev_close_sync+0x82/0xf20
hci_power_on+0x1d2/0x630
process_one_work+0xa1c/0x16a0
worker_thread+0x637/0x1250
kthread+0x2f2/0x3b0
ret_from_fork+0x22/0x30
INFO: task syz-executor.5:13300 blocked for more than 143 seconds.
Not tainted 5.18.0-next-20220527 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28848 pid:13300 ppid: 1 flags:0x00000000
Call Trace:
__schedule+0x88d/0x2460
schedule+0xd2/0x1f0
schedule_timeout+0x1c5/0x280
__wait_for_common+0x36f/0x4b0
__flush_workqueue+0x360/0x1110
hci_dev_open+0x180/0x360
hci_sock_ioctl+0x2f1/0x910
sock_do_ioctl+0xd2/0x230
sock_ioctl+0x41c/0x670
__x64_sys_ioctl+0x196/0x210
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f8fb93558d7
RSP: 002b:00007ffecd1b2728 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffecd1b2de8 RCX: 00007f8fb93558d7
RDX: 0000000000000006 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f8fb70cc700 R09: 00007f8fb70cc700
R10: 00007f8fb70cc9d0 R11: 0000000000000246 R12: 00007f8fb9469bf0
R13: 00007ffecd1b2880 R14: 0000000000000000 R15: 00000000000000f8
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff85204a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
1 lock held by in:imklog/193:
#0: ffff88800d848ae8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe3/0x100
3 locks held by kworker/u5:0/306:
#0: ffff88800ca15938 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0
#1: ffff8880214f7db0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0
#2: ffff888044481048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_power_on+0x1ca/0x630
=============================================