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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: 781d, last: 8d03h
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ 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 893d 893d 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 29d 160d 0/2 premoderation: reported syz repro on 2023/11/10 07:03
android-54 SYZFAIL: tun: can't open /dev/net/tun syz 7 6d03h 969d 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 780d 922d 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 30d 161d 0/2 premoderation: reported syz repro on 2023/11/09 20:06
upstream SYZFAIL: tun: can't open /dev/net/tun 1 1076d 1076d 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 36d 140d 0/3 upstream: reported syz repro on 2023/11/30 17:11
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/04/10 19:47 5m retest repro android13-5.10-lts report log
2024/03/20 12:22 7m retest repro android13-5.10-lts report log
2024/02/16 15:43 14m retest repro android13-5.10-lts report log
2024/01/31 18:14 9m retest repro android13-5.10-lts report log
2024/01/10 12:09 5m retest repro android13-5.10-lts report log
2023/12/08 15:16 19m retest repro android13-5.10-lts report log
2023/11/22 16:45 5m retest repro android13-5.10-lts report log
2023/11/01 11:59 8m retest repro android13-5.10-lts report log
2023/09/29 14:35 29m retest repro android13-5.10-lts report log
2023/08/23 11:37 9m retest repro android13-5.10-lts report log
▶ ▼ Fix bisection attempts (7)
Created Duration User Patch Repo Result
2023/02/03 12:08 1m bisect fix android12-5.10-lts error job log (0)
2022/10/29 04:52 16m bisect fix android12-5.10-lts job log (0) log
2022/09/09 01:56 15m bisect fix android12-5.10-lts job log (0) log
2022/08/09 18:27 19m bisect fix android12-5.10-lts job log (0) log
2022/07/10 18:11 16m bisect fix android12-5.10-lts job log (0) log
2022/06/10 17:15 15m bisect fix android12-5.10-lts job log (0) log
2022/05/11 16:57 17m bisect fix android12-5.10-lts job log (0) log

Sample crash report:
2023/11/08 16:40:46 [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 (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/08 16:44 android13-5.10-lts d30b996835c0 b93f63e8 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 SYZFAIL: tun: can't open /dev/net/tun
2022/03/25 21:16 android12-5.10-lts ab2d1d40a128 89bc8608 .config console log report syz ci2-android-5-10 SYZFAIL: tun: can't open /dev/net/tun
2022/02/27 16:55 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config console log report syz ci2-android-5-10-perf SYZFAIL: tun: can't open /dev/net/tun
2022/04/10 05:46 android12-5.10-lts 414e6c8e941c e22c3da3 .config console log report info ci2-android-5-10-perf SYZFAIL: tun: can't open /dev/net/tun
2022/04/06 17:34 android12-5.10-lts 414e6c8e941c 97582466 .config console log report info ci2-android-5-10-perf SYZFAIL: tun: can't open /dev/net/tun
2022/03/25 20:29 android12-5.10-lts ab2d1d40a128 89bc8608 .config console log report info ci2-android-5-10 SYZFAIL: tun: can't open /dev/net/tun
2022/03/17 08:49 android12-5.10-lts 9e96a3d6ae39 dfa9a8ed .config console log report info ci2-android-5-10 SYZFAIL: tun: can't open /dev/net/tun
* Struck through repros no longer work on HEAD.