INFO: task hung in ip6mr_net_exit

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision	Error
a2f2218c-ec9e-4b96-a172-3b417afda279	repro		💥	INFO: task hung in ip6mr_net_exit_batch (4)	2026/03/10 13:49	2026/03/11 19:52	2026/03/12 12:17	86914af9098a80da53c3c5d46be980c572ee29f8	doRequest: error sending request: Post "https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-preview:generateContent": http2: server sent GOAWAY and closed the connection; LastStreamID=1, ErrCode=NO_ERROR, debug="server_shutting_down"

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in ip6mr_net_exit_batch (2) net	1	8	568d	716d	0/29	auto-obsoleted due to no activity on 2025/01/20 02:05
upstream	INFO: task hung in ip6mr_net_exit_batch net	1	1	1038d	1038d	0/29	closed as invalid on 2023/09/07 14:36
upstream	INFO: task hung in ip6mr_net_exit_batch (3) net	1	3	419d	455d	0/29	auto-obsoleted due to no activity on 2025/06/18 09:05

Rank 🛈

upstream

568d

716d

0/29

auto-obsoleted due to no activity on 2025/01/20 02:05

upstream

1038d

0/29

closed as invalid on 2023/09/07 14:36

upstream

419d

455d

0/29

auto-obsoleted due to no activity on 2025/06/18 09:05

INFO: task syz-executor:25198 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23768 pid:25198 tgid:25198 ppid:1 task_flags:0x400140 flags:0x00080003 Call Trace: <TASK> context_switch kernel/sched/core.c:5260 [inline] __schedule+0x14ea/0x5050 kernel/sched/core.c:6867 __schedule_loop kernel/sched/core.c:6949 [inline] schedule+0x164/0x360 kernel/sched/core.c:6964 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021 __mutex_lock_common kernel/locking/mutex.c:692 [inline] __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776 ip6mr_net_exit_batch+0x20/0x90 net/ipv6/ip6mr.c:1376 ops_exit_list net/core/net_namespace.c:205 [inline] ops_undo_list+0x52b/0x940 net/core/net_namespace.c:252 setup_net+0x2f0/0x340 net/core/net_namespace.c:462 copy_net_ns+0x50e/0x730 net/core/net_namespace.c:581 create_new_namespaces+0x3e7/0x6a0 kernel/nsproxy.c:130 unshare_nsproxy_namespaces+0x11a/0x160 kernel/nsproxy.c:226 ksys_unshare+0x4f4/0x900 kernel/fork.c:3171 __do_sys_unshare kernel/fork.c:3242 [inline] __se_sys_unshare kernel/fork.c:3240 [inline] __x64_sys_unshare+0x38/0x50 kernel/fork.c:3240 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff142b9c1a7 RSP: 002b:00007ffdcabe3808 EFLAGS: 00000206 ORIG_RAX: 0000000000000110

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/02/08 08:38	net-next	57be33f85e36	4c131dc4	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-net-kasan-gce	INFO: task hung in ip6mr_net_exit_batch
2026/01/11 18:57	net-next	60d8484c4cec	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-net-kasan-gce	INFO: task hung in ip6mr_net_exit_batch

Crashes (2):