INFO: task hung in sit_exit_batch

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
linux-6.1	INFO: task hung in sit_exit_batch_net (2)	1	1	50d	50d	0/3	upstream: reported on 2025/11/28 13:18
upstream	INFO: task hung in sit_exit_batch_net net	1	2	2326d	2335d	0/29	closed as invalid on 2019/10/23 07:54
upstream	INFO: task hung in sit_exit_batch_net (3) net	1	1	1299d	1299d	0/29	auto-closed as invalid on 2022/09/26 13:51
upstream	INFO: task hung in sit_exit_batch_net (2) net	1	1	1875d	1875d	0/29	auto-closed as invalid on 2021/02/27 16:17
linux-4.19	INFO: task hung in sit_exit_batch_net	1	2	1475d	1511d	0/1	auto-closed as invalid on 2022/05/03 11:37
upstream	INFO: task hung in sit_exit_batch_net (4) net	1	2	1152d	1159d	0/29	auto-obsoleted due to no activity on 2023/02/12 17:49

INFO: task kworker/u4:2:41 blocked for more than 143 seconds. Not tainted 6.1.94-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:2 state:D stack:22336 pid:41 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: <TASK> context_switch kernel/sched/core.c:5245 [inline] __schedule+0x142d/0x4550 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747 sit_exit_batch_net+0xc0/0x480 net/ipv6/sit.c:1883 ops_exit_list net/core/net_namespace.c:177 [inline] cleanup_net+0x763/0xb60 net/core/net_namespace.c:604 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/06/17 01:30	linux-6.1.y	eb44d83053d6	f429ab00	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	INFO: task hung in sit_exit_batch_net

Crashes (1):