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: 1725d, last: 1567d
▶ ▼ 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 133d 753d 0/2 premoderation: reported syz repro on 2024/06/30 02:15
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 1710d 1710d 0/2 closed as invalid on 2021/11/16 09:11
linux-5.15 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 10 395d 626d 0/3 auto-obsoleted due to no activity on 2025/09/30 19:38
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 112 253d 398d 0/1 auto-obsoleted due to no activity on 2026/01/01 11:58
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (4) -1 75 426d 539d 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 191d 290d 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 43d 285d 0/3 upstream: reported syz repro on 2025/10/11 00:29
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (3) -1 3 754d 758d 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 error 145 119d 745d 0/2 premoderation: reported syz repro on 2024/07/07 21:01
android-54 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 3 1570d 1588d 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 150d 487d 0/3 upstream: reported syz repro on 2025/03/23 07:07
android-6-12 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 6 149d 181d 0/1 auto-obsoleted due to no activity on 2026/05/25 05:10
android-5-10 SYZFAIL: tun: ioctl(TUNSETIFF) failed (2) -1 syz 1161 9d11h 758d 0/2 premoderation: reported syz repro on 2024/06/25 10:31
linux-6.1 SYZFAIL: tun: ioctl(TUNSETIFF) failed -1 1 591d 591d 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.