INFO: task hung in unregister_nexthop

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in unregister_nexthop_notifier (3) net	1	7	523d	577d	0/29	auto-obsoleted due to no activity on 2025/02/17 23:47
upstream	INFO: task hung in unregister_nexthop_notifier (5) net	1	1	169d	169d	0/29	auto-obsoleted due to no activity on 2026/01/08 04:28
upstream	INFO: task hung in unregister_nexthop_notifier (2) net	1	15	651d	706d	0/29	auto-obsoleted due to no activity on 2024/09/07 21:36
upstream	INFO: task hung in unregister_nexthop_notifier (4) net	1	1	427d	427d	0/29	auto-obsoleted due to no activity on 2025/05/25 05:10
upstream	INFO: task hung in unregister_nexthop_notifier net	1	1	1028d	1028d	0/29	auto-obsoleted due to no activity on 2023/10/02 08:35

INFO: task kworker/u4:0:9 blocked for more than 143 seconds. Not tainted 5.15.160-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:0 state:D stack:23104 pid: 9 ppid: 2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: <TASK> context_switch kernel/sched/core.c:5030 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518 __mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 unregister_nexthop_notifier+0x78/0x210 net/ipv4/nexthop.c:3622

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/05/31 17:19	linux-5.15.y	c61bd26ae81a	0c378259	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	INFO: task hung in unregister_nexthop_notifier

Crashes (1):