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SYZFAIL: tun: can't open /dev/net/tun

Status: upstream: reported syz repro on 2021/08/23 10:35
Reported-by: syzbot+26b0b820a310f9f0a5ff@syzkaller.appspotmail.com
First crash: 1186d, last: 11d
▶ ▼ Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 SYZFAIL: tun: can't open /dev/net/tun 1 1110d 1110d 0/2 auto-closed as invalid on 2022/02/05 06:28
android-5-15 SYZFAIL: tun: can't open /dev/net/tun origin:upstream syz 10 12d 377d 0/2 premoderation: reported syz repro on 2023/11/10 07:03
android-5-10 SYZFAIL: tun: can't open /dev/net/tun (2) syz error error 25 13d 998d 0/2 premoderation: reported syz repro on 2022/02/27 16:56
linux-4.19 SYZFAIL: tun: can't open /dev/net/tun syz error 3 997d 1139d 0/1 upstream: reported syz repro on 2021/10/09 05:44
android-6-1 SYZFAIL: tun: can't open /dev/net/tun origin:upstream syz error 14 28d 377d 0/2 premoderation: reported syz repro on 2023/11/09 20:06
upstream SYZFAIL: tun: can't open /dev/net/tun 1 1293d 1293d 0/28 auto-closed as invalid on 2021/08/06 17:44
linux-6.1 SYZFAIL: tun: can't open /dev/net/tun origin:upstream syz done 1 52d 357d 3/3 fixed on 2024/11/01 17:06
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/11/10 15:57 12m retest repro android12-5.4 report log
2024/10/26 10:37 7m retest repro android12-5.4 report log
2024/09/14 18:38 17m retest repro android12-5.4 report log
2024/08/31 17:19 14m retest repro android12-5.4 report log
2024/08/16 14:52 6m retest repro android12-5.4 report log
2024/07/06 18:01 8m retest repro android12-5.4 report log
2024/06/22 16:58 9m retest repro android12-5.4 report log
2024/06/07 14:31 9m retest repro android12-5.4 report log
2024/04/27 02:44 16m retest repro android12-5.4 report log
2024/04/12 20:04 5m retest repro android12-5.4 report log

Sample crash report:
2022/03/25 22:04:25 executor failed 11 times: executor 0: exit status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67

SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/03/25 22:39 android12-5.4 ed043095f483 89bc8608 .config console log report syz ci2-android-5-4-kasan SYZFAIL: tun: can't open /dev/net/tun
2022/02/27 16:30 android12-5.4 961dd91cc692 45a13a73 .config console log report syz ci2-android-5-4-perf-kasan SYZFAIL: tun: can't open /dev/net/tun
2021/10/09 05:46 android12-5.4 23c18f1ad0fc efe0f24d .config console log report syz ci2-android-5-4-kasan SYZFAIL: tun: can't open /dev/net/tun
2022/03/23 10:45 android12-5.4 ed3df0226fbf 5ff41e94 .config console log report info ci2-android-5-4-perf-kasan SYZFAIL: tun: can't open /dev/net/tun
2022/02/27 15:58 android12-5.4 961dd91cc692 45a13a73 .config console log report info ci2-android-5-4-perf-kasan SYZFAIL: tun: can't open /dev/net/tun
2021/10/19 21:34 android12-5.4 5970ec26e0c8 466b7db1 .config console log report info ci2-android-5-4-kasan SYZFAIL: tun: can't open /dev/net/tun
2021/08/23 10:34 android12-5.4 3ce13296e72d b599f2fc .config console log report info ci2-android-5-4-kasan SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.