INFO: task dhcpcd:5551 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:21024 pid:5551  tgid:5551  ppid:5550   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x1585/0x5340
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 rtnl_dumpit+0x92/0x200
 netlink_dump+0x722/0xe80
 netlink_recvmsg+0x690/0xa50
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1e6/0x4a0
 ___sys_recvmsg+0x215/0x590
 __x64_sys_recvmsg+0x1ba/0x2a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd1690c91e
RSP: 002b:00007ffd1ad53518 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007ffd1ad54640 RCX: 00007fcd1690c91e
RDX: 0000000000000000 RSI: 00007ffd1ad54560 RDI: 000000000000000c
RBP: 00007ffd1ad545d0 R08: 0000000000000000 R09: 0000000000200000
R10: 00000000000000cf R11: 0000000000000246 R12: 0000000000000bdc
R13: 00007ffd1ad54544 R14: 00007ffd1ad54560 R15: 00007ffd1ad54550
 </TASK>
INFO: task kworker/u8:3:5866 blocked for more than 149 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:3    state:D stack:24360 pid:5866  tgid:5866  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 __schedule+0x1585/0x5340
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 addrconf_verify_work+0x19/0x30
 process_scheduled_works+0xb02/0x1830
