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/u5:8:325 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-next-20220614 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u5:8 state:D stack:27320 pid: 325 ppid: 2 flags:0x00004000
Workqueue: hci6 hci_power_on
Call Trace:
__schedule+0x893/0x2470
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.6:189147 blocked for more than 143 seconds.
Not tainted 5.19.0-rc2-next-20220614 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.6 state:D stack:28040 pid:189147 ppid: 1 flags:0x00000000
Call Trace:
__schedule+0x893/0x2470
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: 0033:0x7f64598e38d7
RSP: 002b:00007ffee0b9d6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffee0b9dd68 RCX: 00007f64598e38d7
RDX: 0000000000000006 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f645765a700 R09: 00007f645765a700
R10: 00007f645765a9d0 R11: 0000000000000246 R12: 00007f64599f7bf0
R13: 00007ffee0b9d800 R14: 0000000000000000 R15: 00000000000000f8
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff85203cd0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10
2 locks held by pr/ttyS0/14:
1 lock held by khungtaskd/27:
#0: ffffffff852047a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
2 locks held by in:imklog/195:
4 locks held by rs:main Q:Reg/197:
#0: ffff88806ce37cd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470
#1: ffff88800fad6438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x127/0x250
#2: ffff88801ac997e0 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: ext4_buffered_write_iter+0xb0/0x330
#3: ffffffff852047a0 (rcu_read_lock){....}-{1:2}, at: percpu_ref_put_many.constprop.0+0x0/0x270
3 locks held by kworker/u5:8/325:
#0: ffff88801ea2c938 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x915/0x16a0
#1: ffff888016c7fdb0 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x949/0x16a0
#2: ffff88803e0f9048 (&hdev->req_lock){+.+.}-{3:3}, at: hci_power_on+0x1ca/0x630
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