linux-kernel - Re: upstream build error (12)

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Date:   Thu, 14 Jan 2021 13:37:54 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     syzbot <syzbot+76880518931d755473cf@...kaller.appspotmail.com>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: upstream build error (12)

On Thu, Jan 14, 2021 at 12:32 PM Dmitry Vyukov <dvyukov@...gle.com> wrote:
>
> On Tue, Jan 12, 2021 at 8:41 PM Nathan Chancellor
> <natechancellor@...il.com> wrote:
> >
> > On Tue, Jan 12, 2021 at 11:20:27AM -0800, syzbot wrote:
> > > Hello,
> > >
> > > syzbot found the following issue on:
> > >
> > > HEAD commit:    e609571b Merge tag 'nfs-for-5.11-2' of git://git.linux-nfs..
> > > git tree:       upstream
> > > console output: https://syzkaller.appspot.com/x/log.txt?x=15965a00d00000
> > > kernel config:  https://syzkaller.appspot.com/x/.config?x=6157970d0a91b812
> > > dashboard link: https://syzkaller.appspot.com/bug?extid=76880518931d755473cf
> > > compiler:       clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)
> > >
> > > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > > Reported-by: syzbot+76880518931d755473cf@...kaller.appspotmail.com
> > >
> > > clang-11: error: unable to execute command: Aborted (core dumped)
> > > clang-11: error: clang frontend command failed due to signal (use -v to see invocation)
> > >
> > > ---
> > > This report 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@...glegroups.com.
> > >
> > > syzbot will keep track of this issue. See:
> > > https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
> >
> > Would it be possible for clang-built-linux@...glegroups.com to be CC'd
> > when there is a build error and the compiler is clang? Especially if
> > clang is hitting an assertion.
>
> Hi Nathan,
>
> I am adding functionality to CC specific emails on build errors on
> specific instances:
> https://github.com/google/syzkaller/pull/2388

I've updated configs to CC clang-built-linux@...glegroups.com. This
should take effect on the next build failure (hopefully).