upstream build error (9)

upstream build error (9)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit:    76ccd234 Merge branch 'perf-urgent-for-linus' of git://git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=27bbeba43f06f835
dashboard link: https://syzkaller.appspot.com/bug?extid=cfc21ef9f8637dfa50f9
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
userspace arch: i386

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+cfc21ef9f8637dfa50f9@syzkaller.appspotmail.com

timedout ["make" "oldconfig" "CC=/syzkaller/gcc/bin/gcc" "-j96"]

---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.

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Re: upstream build error (9)

[Dmitry Vyukov]

#syz invalid

nested virt again kills host on qemu instances...

On Sun, Mar 29, 2020 at 8:11 PM syzbot
<syzbot+cfc21ef9f8637dfa50f9@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:    76ccd234 Merge branch 'perf-urgent-for-linus' of git://git..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=27bbeba43f06f835
> dashboard link: https://syzkaller.appspot.com/bug?extid=cfc21ef9f8637dfa50f9
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> userspace arch: i386
>
> 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+cfc21ef9f8637dfa50f9@syzkaller.appspotmail.com
>
> timedout ["make" "oldconfig" "CC=/syzkaller/gcc/bin/gcc" "-j96"]
>
> ---
> This bug is generated by a bot. It may contain errors.
> See https://goo.gl/tpsmEJ for more information about syzbot.
> syzbot engineers can be reached at syzkaller@googlegroups.com.
>
> syzbot will keep track of this bug report. See:
> https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
>
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