INFO: task hung in fib6_rules_net_exit

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
linux-6.1	INFO: task hung in fib6_rules_net_exit_batch	1	2	695d	702d	0/3	auto-obsoleted due to no activity on 2024/09/12 02:11
upstream	INFO: task hung in fib6_rules_net_exit_batch (5) net	1	4	117d	247d	0/29	auto-obsoleted due to no activity on 2026/04/03 06:17
upstream	INFO: task hung in fib6_rules_net_exit_batch (4) net	1	1	356d	356d	0/29	auto-obsoleted due to no activity on 2025/08/07 06:49
upstream	INFO: task hung in fib6_rules_net_exit_batch (2) net	1	10	681d	705d	0/29	auto-obsoleted due to no activity on 2024/08/06 23:39
upstream	INFO: task hung in fib6_rules_net_exit_batch (3) net	1	8	450d	585d	0/29	auto-obsoleted due to no activity on 2025/05/05 09:06

INFO: task kworker/u4:4:56 blocked for more than 143 seconds. Not tainted 6.4.0-rc5-syzkaller-00915-ge7c5433c5aaa #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:4 state:D stack:23320 pid:56 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: <TASK> context_switch kernel/sched/core.c:5343 [inline] __schedule+0xc9a/0x5880 kernel/sched/core.c:6669 schedule+0xde/0x1a0 kernel/sched/core.c:6745 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747 fib6_rules_net_exit_batch+0x15/0xe0 net/ipv6/fib6_rules.c:500