INFO: task hung in reg_check_chans

Date	Name	Commit	Repro	Result
2026/01/23	linux-6.6.y (ToT)	cbb31f77b879	C	[report] INFO: task hung in corrupted
2026/01/23	upstream (ToT)	a66191c590b3	C	Didn't crash

Date

Name

Commit

Repro

Result

2026/01/23

linux-6.6.y (ToT)

cbb31f77b879

[report] INFO: task hung in corrupted

2026/01/23

upstream (ToT)

a66191c590b3

Didn't crash

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-5.15	INFO: task hung in reg_check_chans_work	1				10	449d	733d	0/3	auto-obsoleted due to no activity on 2025/02/14 20:30
linux-6.1	INFO: task hung in reg_check_chans_work (2)	1				1	405d	405d	0/3	auto-obsoleted due to no activity on 2025/03/30 18:04
upstream	INFO: task hung in reg_check_chans_work (6) wireless	1	C	error		129	572d	645d	26/29	fixed on 2024/07/09 19:14
upstream	INFO: task hung in reg_check_chans_work (3) wireless	1				60	1517d	1580d	0/29	auto-closed as invalid on 2022/04/03 20:03
linux-4.14	INFO: task hung in reg_check_chans_work	1				1	1362d	1362d	0/1	auto-obsoleted due to no activity on 2022/09/05 08:58
upstream	INFO: task hung in reg_check_chans_work (7) wireless	1	C	error		842	1d09h	493d	0/29	upstream: reported C repro on 2024/09/23 08:39
upstream	INFO: task hung in reg_check_chans_work (4) wireless	1				4	1309d	1311d	0/29	auto-closed as invalid on 2022/09/28 14:08
linux-6.6	INFO: task hung in reg_check_chans_work	1				5	119d	225d	0/2	auto-obsoleted due to no activity on 2026/01/10 01:05
linux-6.1	INFO: task hung in reg_check_chans_work (4) origin:lts-only	1	syz		error	2	48d	72d	0/3	upstream: reported syz repro on 2025/11/18 03:08
upstream	INFO: task hung in reg_check_chans_work net	1				15	2847d	2906d	0/29	closed as dup on 2018/02/14 15:33
linux-6.1	INFO: task hung in reg_check_chans_work (3)	1				1	298d	298d	0/3	auto-obsoleted due to no activity on 2025/07/15 07:58
android-44	INFO: task hung in reg_check_chans_work	1				18	2819d	2892d	0/2	auto-closed as invalid on 2019/02/22 14:50
android-49	INFO: task hung in reg_check_chans_work	1				18	2818d	2916d	0/3	auto-closed as invalid on 2019/02/22 15:19
linux-6.1	INFO: task hung in reg_check_chans_work	1				3	596d	613d	0/3	auto-obsoleted due to no activity on 2024/09/20 17:51
upstream	INFO: task hung in reg_check_chans_work (5) wireless	1				26	823d	952d	0/29	auto-obsoleted due to no activity on 2024/01/08 12:17
upstream	INFO: task hung in reg_check_chans_work (2) wireless	1				3	1941d	1950d	0/29	auto-closed as invalid on 2021/01/04 12:48

Created	Duration	User	Patch	Repo	Result
2026/01/24 07:01	1m	fix candidate		upstream	error job log

Created

Duration

User

Patch

Repo

Result

2026/01/24 07:01

fix candidate

upstream

error job log

INFO: task kworker/1:0:23 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:22984 pid:23 ppid:2 flags:0x00004000 Workqueue: events_power_efficient reg_check_chans_work Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 schedule+0xbd/0x170 kernel/sched/core.c:6774 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6833 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x6a9/0xcc0 kernel/locking/mutex.c:747 wiphy_lock include/net/cfg80211.h:5777 [inline] reg_leave_invalid_chans net/wireless/reg.c:2451 [inline] reg_check_chans_work+0x10a/0xd90 net/wireless/reg.c:2466 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2026/01/17 13:46	linux-6.6.y	c596736dadab	20d37d28	.config	console log	report	syz / log	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	INFO: task hung in reg_check_chans_work
2026/01/11 01:10	linux-6.6.y	5fa4793a2d2d	d6526ea3	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	INFO: task hung in reg_check_chans_work

Crashes (2):

Assets (help?)