INFO: task kworker/1:4:5091 blocked for more than 143 seconds.
      Not tainted 6.6.0-rc6-next-20231019-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:25312 pid:5091  tgid:5091  ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xee3/0x5a10 kernel/sched/core.c:6680
 __schedule_loop kernel/sched/core.c:6757 [inline]
 schedule+0xe5/0x270 kernel/sched/core.c:6772
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6829
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x960/0x1330 kernel/locking/mutex.c:747
 addrconf_dad_work+0xcf/0x14b0 net/ipv6/addrconf.c:4128