Re: upstream boot error: can't ssh into the instance (7)

From: Dmitry Vyukov
Date: Sat Feb 22 2020 - 02:02:37 EST

On Sat, Feb 22, 2020 at 6:18 AM syzbot
<syzbot+b68d37acb74a6ac82cc9@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hello,
> syzbot found the following crash on:
> HEAD commit: 11a48a5a Linux 5.6-rc2
> git tree: upstream
> console output:
> kernel config:
> dashboard link:
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> Unfortunately, I don't have any reproducer for this crash yet.
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+b68d37acb74a6ac82cc9@xxxxxxxxxxxxxxxxxxxxxxxxx
> ---
> This bug is generated by a bot. It may contain errors.
> See for more information about syzbot.
> syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxxx
> syzbot will keep track of this bug report. See:
> for how to communicate with syzbot.

Somehow "eth0" randomly disappears in some boots...
The same happened before on net and net-next:

Cannot find device "eth0"
Bind socket to interface: No such device
Failed to bring up eth0.