syzbot


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

Status: upstream: reported syz repro on 2023/11/30 17:11
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+d9ddbcc6a2f766478ff7@syzkaller.appspotmail.com
First crash: 201d, last: 5d04h
Bug presence (1)
Date Name Commit Repro Result
2023/11/30 upstream (ToT) 3b47bc037bd4 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 954d 954d 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 1 21d 221d 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 7 20d 842d 0/2 premoderation: reported syz repro on 2022/02/27 16:56
android-54 SYZFAIL: tun: can't open /dev/net/tun syz 7 11d 1030d 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 841d 983d 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 1 21d 222d 0/2 premoderation: reported syz repro on 2023/11/09 20:06
upstream SYZFAIL: tun: can't open /dev/net/tun 1 1137d 1137d 0/27 auto-closed as invalid on 2021/08/06 17:44
Fix bisection attempts (5)
Created Duration User Patch Repo Result
2024/06/13 23:45 1h28m bisect fix linux-6.1.y job log (0) log
2024/05/10 05:12 1h27m bisect fix linux-6.1.y job log (0) log
2024/03/13 06:22 1h41m bisect fix linux-6.1.y job log (0) log
2024/02/11 06:44 1h34m bisect fix linux-6.1.y job log (0) log
2023/12/30 22:38 1h38m bisect fix linux-6.1.y job log (0) log

Sample crash report:
2023/11/30 16:54:02 [FATAL] executor failed 11 times: executor 5: failed to write control pipe: write |1: broken pipe
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/30 17:11 linux-6.1.y 6ac30d748bb0 f819d6f7 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.