syzbot


SYZFAIL: tun: can't open /dev/net/tun (2)

Status: premoderation: reported syz repro on 2022/02/27 16:56
Reported-by: syzbot+c020be0a91accb096850@syzkaller.appspotmail.com
First crash: 341d, last: 98d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
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 454d 454d 0/2 auto-closed as invalid on 2022/02/05 06:28
android-54 SYZFAIL: tun: can't open /dev/net/tun syz 7 161d 529d 0/2 upstream: reported syz repro on 2021/08/23 10:35
linux-4.19 SYZFAIL: tun: can't open /dev/net/tun syz error 3 340d 483d 0/1 upstream: reported syz repro on 2021/10/09 05:44
upstream SYZFAIL: tun: can't open /dev/net/tun 1 636d 636d 0/24 auto-closed as invalid on 2021/08/06 17:44

Sample crash report:
2022/03/25 21:15:51 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 (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci2-android-5-10 2022/03/25 21:16 android12-5.10-lts ab2d1d40a128 89bc8608 .config console log report syz SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-10-perf 2022/02/27 16:55 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config console log report syz SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-10-perf 2022/04/10 05:46 android12-5.10-lts 414e6c8e941c e22c3da3 .config console log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-10-perf 2022/04/06 17:34 android12-5.10-lts 414e6c8e941c 97582466 .config console log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-10 2022/03/25 20:29 android12-5.10-lts ab2d1d40a128 89bc8608 .config console log report info SYZFAIL: tun: can't open /dev/net/tun
ci2-android-5-10 2022/03/17 08:49 android12-5.10-lts 9e96a3d6ae39 dfa9a8ed .config console log report info SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.