INFO: task hung in ip_fib_net

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-4.19	INFO: task hung in ip_fib_net_exit			1	888d	888d	0/1	auto-closed as invalid on 2022/05/13 13:18
upstream	INFO: task can't die in ip_fib_net_exit net	syz	error	36	973d	1290d	0/27	closed as invalid on 2021/12/14 20:12
upstream	INFO: task hung in ip_fib_net_exit (2) net			16	1216d	1443d	0/27	auto-closed as invalid on 2021/05/19 23:44
android-44	INFO: task hung in ip_fib_net_exit			2	2226d	2257d	0/2	auto-closed as invalid on 2019/02/22 14:49
upstream	INFO: task hung in ip_fib_net_exit net			2	1977d	2098d	0/27	auto-closed as invalid on 2019/07/19 12:09

INFO: task kworker/u4:1:144 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/u4:1 state:D stack:20544 pid: 144 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 ip_fib_net_exit+0x25/0x370 net/ipv4/fib_frontend.c:1559 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x6ce/0xb60 net/core/net_namespace.c:599 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/06/05 13:39	linux-5.15.y	c61bd26ae81a	5aa1a7c9	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	INFO: task hung in ip_fib_net_exit

Crashes (1):