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

Status: auto-obsoleted due to no activity on 2026/05/25 05:10
Reported-by: syzbot+29fbd7df98211abb318e@syzkaller.appspotmail.com
First crash: 183d, last: 152d
▶ ▼ 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:upstream -1 syz error 168 136d 756d 0/2 premoderation: reported syz repro on 2024/06/30 02:15
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 1713d 1713d 0/2 closed as invalid on 2021/11/16 09:11
linux-5.15 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 10 398d 629d 0/3 auto-obsoleted due to no activity on 2025/09/30 19:38
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 112 256d 401d 0/1 auto-obsoleted due to no activity on 2026/01/01 11:58
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (4) -1 75 429d 542d 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 194d 293d 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 11 46d 288d 0/3 upstream: reported syz repro on 2025/10/11 00:29
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (3) -1 3 757d 761d 0/2 auto-obsoleted due to no activity on 2024/09/27 11:34
android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 7 1569d 1728d 0/2 auto-closed as invalid on 2022/07/07 13:54
android-6-1 SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:downstream -1 syz error 146 35m 748d 0/2 premoderation: reported syz repro on 2024/07/07 21:01
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 3 1573d 1591d 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 error 30 153d 490d 0/3 upstream: reported syz repro on 2025/03/23 07:07
android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 syz 1161 12d 761d 0/2 premoderation: reported syz repro on 2024/06/25 10:31
linux-6.1 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 594d 594d 0/3 auto-obsoleted due to no activity on 2025/03/18 21:55

Sample crash report:
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 22: Invalid argument)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=2 req=2649 state=3 status=67 (errno 9: Bad file descriptor)

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/24 05:08 android16-6.12 569fa7be00d7 41d2fa6a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/02/18 18:48 android16-6.12 77472d8cff1f 77d4d919 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/02/17 13:17 android16-6.12 f2758f0da7bc e439b951 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/02/10 04:58 android16-6.12 3b54985e1263 4ab09a02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/24 08:54 android16-6.12 211c75c00cd3 4f25b9b4 .config console log report info ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
2026/01/23 14:06 android16-6.12 e75f33468e02 e2b1b6e6 .config console log report info ci2-android-6-12-rust SYZFAIL: tun: ioctl(TUNSETIFF) failed
* Struck through repros no longer work on HEAD.