SYZFAIL: tun: ioctl(TUNSETIFF) failed

Date	Name	Commit	Repro	Result
2026/01/13	linux-6.6.y (ToT)	c596736dadab	syz	[report] SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/13	upstream (ToT)	b71e635feefc	syz	Didn't crash

Date

Name

Commit

Repro

Result

2026/01/13

linux-6.6.y (ToT)

c596736dadab

syz

[report] SYZFAIL: tun: ioctl(TUNSETIFF) failed

2026/01/13

upstream (ToT)

b71e635feefc

syz

Didn't crash

Kernel	Title	Rank 🛈	Repro	Fix bisect	Count	Last	Reported	Patched	Status
android-5-15	SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:lts	-1	syz		153	9h15m	581d	0/2	premoderation: reported syz repro on 2024/06/30 02:15
android-54	SYZFAIL: tun: ioctl(TUNSETIFF) failed	-1			1	1538d	1538d	0/2	closed as invalid on 2021/11/16 09:11
linux-5.15	SYZFAIL: tun: ioctl(TUNSETIFF) failed	-1			10	223d	454d	0/3	auto-obsoleted due to no activity on 2025/09/30 19:38
android-6-12	SYZFAIL: tun: ioctl(TUNSETIFF) failed	-1			112	80d	226d	0/1	auto-obsoleted due to no activity on 2026/01/01 11:58
android-54	SYZFAIL: tun: ioctl(TUNSETIFF) failed (4)	-1			75	254d	367d	0/2	auto-obsoleted due to no activity on 2025/07/11 21:09
linux-5.15	SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) origin:lts-only	-1	syz	error	7	6d22h	113d	0/3	upstream: reported syz repro on 2025/10/11 00:29
android-54	SYZFAIL: tun: ioctl(TUNSETIFF) failed (3)	-1			3	581d	586d	0/2	auto-obsoleted due to no activity on 2024/09/27 11:34
android-5-10	SYZFAIL: tun: ioctl(TUNSETIFF) failed	-1			7	1394d	1553d	0/2	auto-closed as invalid on 2022/07/07 13:54
android-6-1	SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:downstream	-1	syz		124	22h37m	573d	0/2	premoderation: reported syz repro on 2024/07/07 21:01
android-54	SYZFAIL: tun: ioctl(TUNSETIFF) failed (2)	-1			3	1397d	1415d	0/2	auto-closed as invalid on 2022/08/03 05:52
linux-6.1	SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) origin:upstream	-1	syz		24	5d06h	314d	0/3	upstream: reported syz repro on 2025/03/23 07:07
android-6-12	SYZFAIL: tun: ioctl(TUNSETIFF) failed (2)	-1			2	7d19h	8d14h	0/1	premoderation: reported on 2026/01/23 14:07
android-5-10	SYZFAIL: tun: ioctl(TUNSETIFF) failed (2)	-1	syz		1059	7h50m	585d	0/2	premoderation: reported syz repro on 2024/06/25 10:31
linux-6.1	SYZFAIL: tun: ioctl(TUNSETIFF) failed	-1			1	419d	419d	0/3	auto-obsoleted due to no activity on 2025/03/18 21:55

Created	Duration	User	Patch	Repo	Result
2026/01/23 03:21	8m	fix candidate		upstream	error job log

Created

Duration

User

Patch

Repo

Result

2026/01/23 03:21

fix candidate

upstream

error job log

SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: tun: ioctl(TUNSETIFF) failed (errno 25: Inappropriate ioctl for device) loop exited with status 67 SYZFAIL: repeatedly failed to execute the program proc=3 req=2434 state=3 status=67 (errno 32: Broken pipe) connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:36943->127.0.0.1:50702: read: connection reset by peer

Crashes (8):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	VM info	Assets (help?)	Manager	Title
2026/01/12 10:30	linux-6.6.y	c596736dadab	d6526ea3	.config	console log	report	syz / log		[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/13 10:27	linux-6.6.y	c596736dadab	d6526ea3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/04 03:33	linux-6.6.y	5fa4793a2d2d	d6526ea3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2025/12/25 02:24	linux-6.6.y	5fa4793a2d2d	d6526ea3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2025/12/24 16:10	linux-6.6.y	5fa4793a2d2d	d6526ea3	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2025/11/23 20:22	linux-6.6.y	0a805b6ea8cd	4fb8ef37	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan-perf	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2025/10/10 21:51	linux-6.6.y	e617101e5626	ff1712fe	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	SYZFAIL: tun: ioctl(TUNSETIFF) failed
2025/10/06 04:59	linux-6.6.y	f34f16e5c632	49379ee0	.config	console log	report		info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-6-kasan	SYZFAIL: tun: ioctl(TUNSETIFF) failed

Crashes (8):

Assets (help?)