INFO: task dhcpcd:5346 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:25896 pid:5346  tgid:5346  ppid:1      task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x17b4/0x5680
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 vlan_ioctl_handler+0xf0/0x630
 sock_ioctl+0x668/0x7f0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d6993dd49
RSP: 002b:00007ffc2ca9da28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000055d101300730 RCX: 00007f1d6993dd49
RDX: 00007ffc2ca9da30 RSI: 0000000000008982 RDI: 0000000000000011
RBP: 0000000000000002 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffc2caae0b0 R11: 0000000000000246 R12: 00007ffc2ca9da30
R13: 00007ffc2ca9daf0 R14: 000055d101300730 R15: 000055d101302a40
 </TASK>
INFO: task kworker/u10:6:12103 blocked for more than 148 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:6   state:D stack:22192 pid:12103 tgid:12103 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound linkwatch_event
Call Trace:
 <TASK>
 __schedule+0x17b4/0x5680
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 linkwatch_event+0xe/0x60
 process_scheduled_works+0xb5d/0x1860
 worker_thread+0xa53/0xfc0
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
