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

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 3ce13296e72d ANDROID: xt_quota2: set usersize in xt_match ..
git tree: android12-5.4
console output: https://syzkaller.appspot.com/x/log.txt?x=14853475300000
kernel config: https://syzkaller.appspot.com/x/.config?x=12fdca0186751701
dashboard link: https://syzkaller.appspot.com/bug?extid=26b0b820a310f9f0a5ff
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+26b0b8...@syzkaller.appspotmail.com

2021/08/23 10:34:26 executor 0 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


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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: 23c18f1ad0fc FROMLIST: dm-verity: skip verity_handle_error..
git tree: android12-5.4
console output: https://syzkaller.appspot.com/x/log.txt?x=12894068b00000

kernel config: https://syzkaller.appspot.com/x/.config?x=12fdca0186751701
dashboard link: https://syzkaller.appspot.com/bug?extid=26b0b820a310f9f0a5ff
compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111a9d00b00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+26b0b8...@syzkaller.appspotmail.com

2021/10/09 05:42:34 executor failed 11 times: executor 0: exit status 67

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

(errno 6: No such device or address)

loop exited with status 67

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

(errno 6: No such device or address)