INFO: task dhcpcd:5576 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:21240 pid:5576  tgid:5576  ppid:5575   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 __schedule+0x14ef/0x4fb0
 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+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa319bcc91e
RSP: 002b:00007ffda49414c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007ffda49425f0 RCX: 00007fa319bcc91e
RDX: 0000000000000000 RSI: 00007ffda4942510 RDI: 0000000000000010
RBP: 00007ffda4942580 R08: 0000000000000000 R09: 0000000000010000
R10: 00000000000000fb R11: 0000000000000246 R12: 0000000000000ea8
R13: 00007ffda49424f4 R14: 00007ffda4942510 R15: 00007ffda4942500
 </TASK>
INFO: task kworker/u8:9:15695 blocked for more than 151 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:9    state:D stack:24064 pid:15695 tgid:15695 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 __schedule+0x14ef/0x4fb0
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7fe/0x1300
 addrconf_verify_work+0x19/0x30
 process_scheduled_works+0xaec/0x17a0
