INFO: task kworker/1:0:23 blocked for more than 142 seconds.
      Not tainted 6.8.0-rc6-syzkaller-00011-g45ec2f5f6ed3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:24784 pid:23    tgid:23    ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c60 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x280 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6874
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5bd/0x9d0 kernel/locking/mutex.c:752
 addrconf_dad_work+0xcf/0x14c0 net/ipv6/addrconf.c:4144
 process_one_work+0x889/0x15e0 kernel/workqueue.c:2633