INFO: task kworker/u8:1:13 blocked for more than 144 seconds.
      Tainted: G             L       syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1    state:D stack:21544 pid:13    tgid:13    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
 __schedule_loop kernel/sched/core.c:7464 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7479
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7536
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 addrconf_dad_work+0x116/0x15c0 net/ipv6/addrconf.c:4235
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:7:1018 blocked for more than 144 seconds.
      Tainted: G             L       syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D stack:22664 pid:1018  tgid:1018  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
 __schedule_loop kernel/sched/core.c:7464 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7479
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7536
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 wg_destruct+0x25/0x310 drivers/net/wireguard/device.c:246
 netdev_run_todo+0xeb2/0x1090 net/core/dev.c:11985
 default_device_exit_batch+0x6d4/0x760 net/core/dev.c:13480
 ops_exit_list net/core/net_namespace.c:206 [inline]
 ops_undo_list+0x4d7/0x8f0 net/core/net_namespace.c:253
 cleanup_net+0x572/0x810 net/core/net_namespace.c:706
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
 kthread+0x38b/0x480 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task dhcpcd:5268 blocked for more than 144 seconds.
      Tainted: G             L       syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:21416 pid:5268  tgid:5268  ppid:5267   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5584 [inline]
 __schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
 __schedule_loop kernel/sched/core.c:7464 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7479
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7536
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7c4/0x15a0 kernel/locking/mutex.c:821
 rtnl_net_lock include/linux/rtnetlink.h:134 [inline]
 inet_rtm_newroute+0x12b/0x250 net/ipv4/fib_frontend.c:942
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7163
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2576