INFO: task kworker/1:0:23 blocked for more than 145 seconds.
      Not tainted 6.6.0-rc2-next-20230918-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:25536 pid:23    ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5365 [inline]
 __schedule+0xee1/0x5a00 kernel/sched/core.c:6677
 schedule+0xe7/0x1b0 kernel/sched/core.c:6753
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6812
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:747
 addrconf_dad_work+0xcf/0x13e0 net/ipv6/addrconf.c:4125