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

Status: premoderation: reported syz repro on 2023/11/09 20:06
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+6e6c465d65a116c3e69a@syzkaller.appspotmail.com
First crash: 173d, last: 42d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/11/09 lts (merge base) 52a953d0934b C [report] SYZFAIL: tun: can't open /dev/net/tun
2023/11/09 upstream (ToT) 6bc986ab839c 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 906d 906d 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 42d 173d 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 4d09h 794d 0/2 premoderation: reported syz repro on 2022/02/27 16:56
android-54 SYZFAIL: tun: can't open /dev/net/tun syz 7 4d15h 982d 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 793d 935d 0/1 upstream: reported syz repro on 2021/10/09 05:44
upstream SYZFAIL: tun: can't open /dev/net/tun 1 1089d 1089d 0/26 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 49d 153d 0/3 upstream: reported syz repro on 2023/11/30 17:11
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2023/11/23 20:06 9m retest repro android14-6.1 report log
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/03/19 19:09 1h13m bisect fix android14-6.1 job log (0) log
2024/01/25 20:39 41m bisect fix android14-6.1 job log (0) log
2023/12/26 11:27 40m bisect fix android14-6.1 job log (0) log

Sample crash report:
2023/11/09 20:02:08 [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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/09 20:05 android14-6.1 9d6ac9dc6ac8 56230772 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1 SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.