syzbot


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

Status: premoderation: reported syz repro on 2023/11/10 07:03
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+18c8c4362ab4d787f710@syzkaller.appspotmail.com
First crash: 252d, last: 18d
Bug presence (2)
Date Name Commit Repro Result
2023/11/10 lts (merge base) 12952a23a5da C [report] SYZFAIL: tun: can't open /dev/net/tun
2023/11/10 upstream (ToT) 89cdf9d55601 C [report] SYZFAIL: tun: can't open /dev/net/tun
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 985d 985d 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 error 14 4d12h 872d 0/2 premoderation: reported syz repro on 2022/02/27 16:56
android-54 SYZFAIL: tun: can't open /dev/net/tun syz 7 12d 1061d 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 872d 1014d 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 3 19d 252d 0/2 premoderation: reported syz repro on 2023/11/09 20:06
upstream SYZFAIL: tun: can't open /dev/net/tun 1 1167d 1167d 0/27 auto-closed as invalid on 2021/08/06 17:44
linux-6.1 SYZFAIL: tun: can't open /dev/net/tun origin:upstream syz 1 35d 231d 0/3 upstream: reported syz repro on 2023/11/30 17:11
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/05/29 02:52 5m retest repro android13-5.15-lts report log
Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/03/19 22:37 52m bisect fix android13-5.15-lts OK (0) job log log
2024/01/26 07:10 1h06m bisect fix android13-5.15-lts OK (0) job log log
2023/12/26 03:38 49m bisect fix android13-5.15-lts OK (0) job log log

Sample crash report:
2023/11/10 06:59:31 [FATAL] executor failed 11 times: executor 0: exit status 67 err exit status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
exit status 67

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

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/10 07:02 android13-5.15-lts 61cfd264993d 56230772 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: tun: can't open /dev/net/tun
2024/07/01 09:39 android13-5.15-lts 9044d25b8ff5 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: tun: can't open /dev/net/tun
2024/06/30 21:03 android13-5.15-lts 9044d25b8ff5 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: tun: can't open /dev/net/tun
2024/06/30 08:32 android13-5.15-lts 9044d25b8ff5 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.