INFO: task kworker/1:0:23 blocked for more than 143 seconds. Not tainted 6.7.0-rc2-next-20231123-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:25376 pid:23 tgid:23 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5399 [inline] __schedule+0xf15/0x5c00 kernel/sched/core.c:6726 __schedule_loop kernel/sched/core.c:6801 [inline] schedule+0xe7/0x270 kernel/sched/core.c:6816 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6873 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x5b4/0x9c0 kernel/locking/mutex.c:747 addrconf_dad_work+0xcf/0x14b0 net/ipv6/addrconf.c:4137 process_one_work+0x8a4/0x15f0 kernel/workqueue.c:2633