INFO: task hung in nfnetlink_rcv

Kernel	Title	Rank 🛈	Repro	Cause bisect	Count	Last	Reported	Patched	Status
upstream	INFO: task hung in nfnetlink_rcv_msg (4) netfilter	1			2	538d	598d	0/29	auto-obsoleted due to no activity on 2025/08/22 01:09
linux-6.1	INFO: task hung in nfnetlink_rcv_msg	1			1	20d	20d	0/3	upstream: reported on 2026/10/23 22:35
upstream	INFO: task hung in nfnetlink_rcv_msg (5) prio:normal netfilter	1	C		138	1d04h	315d	0/29	upstream: reported C repro on 2026/01/02 02:25
upstream	INFO: task hung in nfnetlink_rcv_msg (3) netfilter	1	syz, C	done	5	1434d	1445d	22/29	fixed on 2023/06/08 14:41
upstream	INFO: task hung in nfnetlink_rcv_msg netfilter	1			30	2193d	2501d	0/29	auto-closed as invalid on 2021/03/11 10:49
upstream	INFO: task hung in nfnetlink_rcv_msg (2) netfilter	1			1	1829d	1829d	0/29	auto-closed as invalid on 2022/02/07 23:39

INFO: task syz.1.5563:25549 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.5563 state:D stack:25096 pid:25549 ppid:24589 flags:0x00004004 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x15ae/0x4660 kernel/sched/core.c:6701 schedule+0xbd/0x170 kernel/sched/core.c:6775 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6834 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x673/0xc80 kernel/locking/mutex.c:747 nfnl_lock net/netfilter/nfnetlink.c:98 [inline] nfnetlink_rcv_msg+0xa5c/0x1290 net/netfilter/nfnetlink.c:295

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/08/04 19:29	linux-6.6.y	aa0e49877a2e	d4abbeac	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	INFO: task hung in nfnetlink_rcv_msg

Crashes (1):