Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3
Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
INFO: task kworker/u5:4:875 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-next-20220629 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:4 state:D stack:27512 pid: 875 ppid: 2 flags:0x00004000
Workqueue: hci2 hci_power_on
Call Trace:
__schedule+0x893/0x2490
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+0xa17/0x1690
worker_thread+0x637/0x1250
kthread+0x2f2/0x3b0
ret_from_fork+0x22/0x30
INFO: task syz-executor.2:29009 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-next-20220629 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:28040 pid:29009 ppid: 1 flags:0x00000000
Call Trace:
__schedule+0x893/0x2490
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: 0033:0x7f26c5b3b8d7
RSP: 002b:00007fff823ad508 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fff823adbc8 RCX: 00007f26c5b3b8d7
RDX: 0000000000000002 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f26c38b2700 R09: 00007f26c38b2700
R10: 00007f26c38b29d0 R11: 0000000000000246 R12: 00007f26c5c4fbf0
R13: 00007fff823ad660 R14: 0000000000000000 R15: 00000000000000f8
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff85203ed0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10
1 lock held by khungtaskd/25:
#0: ffffffff852049a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
1 lock held by systemd-journal/112:
1 lock held by in:imklog/192:
#0: ffff88800ccb3768 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe3/0x100
3 locks held by kworker/u5:4/875:
#0: ffff88803862d938 ((wq_completion)hci2){+.+.}-{0:0}, at: process_one_work+0x915/0x1690
#1: ffff8880384a7db0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x949/0x1690
#2: ffff88803e391048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_power_on+0x1ca/0x630
=============================================