syzbot


SYZFAIL: tun: ioctl(TUNSETIFF) failed (2)

Status: premoderation: reported syz repro on 2024/06/25 10:31
Reported-by: syzbot+5f2c4c1a9e17025257af@syzkaller.appspotmail.com
First crash: 585d, last: 2h50m
Similar bugs (14)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:lts -1 syz 153 12h35m 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-6.6 SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:lts-only -1 syz error 8 18d 118d 0/2 upstream: reported syz repro on 2025/10/06 05:00
linux-5.15 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) origin:lts-only -1 syz error 7 7d01h 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 1d01h 573d 0/2 premoderation: reported syz repro on 2024/07/07 21:01
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 3 1398d 1416d 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 5d09h 315d 0/3 upstream: reported syz repro on 2025/03/23 07:07
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 2 7d22h 8d17h 0/1 premoderation: reported on 2026/01/23 14:07
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

Sample crash report:
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=2 req=617 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (1060):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/22 16:29 android13-5.10-lts e625d26dbfea 4fb8ef37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/02/01 04:49 android13-5.10-lts 186f761c519d 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/31 20:29 android13-5.10-lts 186f761c519d afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/31 15:06 android13-5.10-lts 186f761c519d afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/31 13:12 android13-5.10-lts 186f761c519d afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/31 12:00 android13-5.10-lts 186f761c519d c75a2f6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/30 21:15 android13-5.10-lts 186f761c519d ae7dc18c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/30 10:08 android13-5.10-lts 186f761c519d bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/30 02:57 android13-5.10-lts 186f761c519d bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/29 20:34 android13-5.10-lts 186f761c519d aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/29 16:04 android13-5.10-lts 186f761c519d aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/29 03:53 android13-5.10-lts 186f761c519d 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/28 14:37 android13-5.10-lts 186f761c519d 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/28 07:48 android13-5.10-lts 186f761c519d 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/28 06:25 android13-5.10-lts 186f761c519d 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/28 05:02 android13-5.10-lts 186f761c519d 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/27 19:07 android13-5.10-lts 186f761c519d 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/27 18:56 android13-5.10-lts 186f761c519d 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/27 07:08 android13-5.10-lts da202673e11a efb3e894 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/26 14:36 android13-5.10-lts 5601baec60aa a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/26 13:29 android13-5.10-lts 5601baec60aa a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/26 06:28 android13-5.10-lts 5601baec60aa 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/26 03:03 android13-5.10-lts 5601baec60aa 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/26 01:34 android13-5.10-lts 5601baec60aa 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/25 19:01 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/25 17:36 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/25 12:57 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/25 10:03 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/24 18:17 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/24 12:39 android13-5.10-lts 5601baec60aa 40acda8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/24 04:54 android13-5.10-lts 5601baec60aa 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/24 01:00 android13-5.10-lts 5601baec60aa 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/23 16:53 android13-5.10-lts 5601baec60aa e2b1b6e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/23 06:27 android13-5.10-lts 5601baec60aa 82c9c083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/23 04:58 android13-5.10-lts 5601baec60aa 82c9c083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/23 02:34 android13-5.10-lts 5601baec60aa 82c9c083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/22 02:16 android13-5.10-lts c74681d01ab2 8fc37797 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/21 23:14 android13-5.10-lts c74681d01ab2 8fc37797 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/20 02:32 android13-5.10-lts e253c52bbdfc 572effc1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/19 01:05 android13-5.10-lts e253c52bbdfc 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/18 15:44 android13-5.10-lts e253c52bbdfc 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/18 13:47 android13-5.10-lts e253c52bbdfc 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/18 07:54 android13-5.10-lts e253c52bbdfc 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/15 16:46 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/12 07:46 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/10 12:51 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/10 05:09 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/08 10:57 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/06 02:59 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/05 20:54 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/05 12:26 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/04 21:12 android13-5.10-lts e253c52bbdfc d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
* Struck through repros no longer work on HEAD.