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SYZFAIL: tun: ioctl(TUNSETIFF) failed

Status: auto-closed as invalid on 2022/07/07 13:54
Reported-by: syzbot+0c0513766f9fe7f9d51f@syzkaller.appspotmail.com
First crash: 1563d, last: 1405d
▶ ▼ 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 157 2d20h 591d 0/2 premoderation: reported syz repro on 2024/06/30 02:15
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 1548d 1548d 0/2 closed as invalid on 2021/11/16 09:11
linux-5.15 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 10 233d 464d 0/3 auto-obsoleted due to no activity on 2025/09/30 19:38
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 112 91d 236d 0/1 auto-obsoleted due to no activity on 2026/01/01 11:58
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (4) -1 75 264d 377d 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 29d 128d 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 10 6d11h 123d 0/3 upstream: reported syz repro on 2025/10/11 00:29
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (3) -1 3 592d 596d 0/2 auto-obsoleted due to no activity on 2024/09/27 11:34
android-6-1 SYZFAIL: tun: ioctl(TUNSETIFF) failed origin:downstream -1 syz 127 4d07h 583d 0/2 premoderation: reported syz repro on 2024/07/07 21:01
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 3 1408d 1426d 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 27 8d08h 325d 0/3 upstream: reported syz repro on 2025/03/23 07:07
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 3 1d10h 19d 0/1 premoderation: reported on 2026/01/23 14:07
android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 syz 1101 1h42m 596d 0/2 premoderation: reported syz repro on 2024/06/25 10:31
linux-6.1 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 429d 429d 0/3 auto-obsoleted due to no activity on 2025/03/18 21:55

Sample crash report:
vmsplice(r2, &(0x7f0000000140)=[{&(0x7f0000000440)='\x00', 0x1}], 0x1, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000300)={&(0x7f0000000280)='fscache_wake_cookie\x00', r2}, 0x10)
getxattr(0x0, 0x0, 0x0, 0x0)
2022/04/08 13:45:11 executor 0 failed 11 times:
executor 0: exit status 67
SYZFAIL: tun: ioctl(TUNSETIFF) failed
 (errno 25: Inappropriate ioctl for device)
loop exited with status 67

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/08 13:45 android12-5.10-lts 414e6c8e941c c6ff3e05 .config console log report info ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2022/03/31 13:06 android12-5.10-lts 414e6c8e941c c4c32d8c .config console log report info ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2022/03/22 21:08 android12-5.10-lts 9a559b886861 d88ef0c5 .config console log report info ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2022/03/10 09:38 android12-5.10-lts e1b86e7f5cbb 9e8eaa75 .config console log report info ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2022/03/02 01:53 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config console log report info ci2-android-5-10-perf SYZFAIL: tun: ioctl(TUNSETIFF) failed
2022/01/01 22:22 android12-5.10-lts 9b28b48fb343 e1768e9c .config console log report info ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
2021/10/31 23:28 android12-5.10-lts 4944ec82ebb9 098b5d53 .config console log report info ci2-android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed
* Struck through repros no longer work on HEAD.