syzbot


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: 464d, last: 96d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 SYZFAIL: tun: can't open /dev/net/tun 1 388d 388d 0/2 auto-closed as invalid on 2022/02/05 06:28
android-5-10 SYZFAIL: tun: can't open /dev/net/tun (2) syz error 6 32d 276d 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 275d 417d 0/1 upstream: reported syz repro on 2021/10/09 05:44
upstream SYZFAIL: tun: can't open /dev/net/tun 1 571d 571d 0/24 auto-closed as invalid on 2021/08/06 17:44
Patch testing requests:
Created Duration User Patch Repo Result
2022/08/26 13:27 9m 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):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-4-kasan 2022/03/25 22:39 android12-5.4 ed043095f483 89bc8608 .config log report syz SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-perf-kasan 2022/02/27 16:30 android12-5.4 961dd91cc692 45a13a73 .config log report syz SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-kasan 2021/10/09 05:46 android12-5.4 23c18f1ad0fc efe0f24d .config log report syz SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-perf-kasan 2022/03/23 10:45 android12-5.4 ed3df0226fbf 5ff41e94 .config log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-perf-kasan 2022/02/27 15:58 android12-5.4 961dd91cc692 45a13a73 .config log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-kasan 2021/10/19 21:34 android12-5.4 5970ec26e0c8 466b7db1 .config log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-4-kasan 2021/08/23 10:34 android12-5.4 3ce13296e72d b599f2fc .config log report info SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.