linux-kernel - Re: bpf build error

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Date:   Fri, 24 May 2019 11:24:14 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     syzbot <syzbot+cbe357153903f8d9409a@...kaller.appspotmail.com>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: bpf build error

On Fri, May 24, 2019 at 10:08 AM Daniel Borkmann <daniel@...earbox.net> wrote:
>
> On 05/24/2019 07:28 AM, syzbot wrote:
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit:    e6f6cd0d bpf: sockmap, fix use after free from sleep in ps..
> > git tree:       bpf
> > console output: https://syzkaller.appspot.com/x/log.txt?x=16f116e4a00000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=fc045131472947d7
> > dashboard link: https://syzkaller.appspot.com/bug?extid=cbe357153903f8d9409a
> > 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+cbe357153903f8d9409a@...kaller.appspotmail.com
> >
> > net/core/skbuff.c:2340:6: error: ‘struct msghdr’ has no member named ‘flags’
>
> Disregard, tossed from bpf tree.

Let's close it then

#syz invalid

or it will hang open on the dashboard distracting people looking for
open bugs and new bpf build breakages won't be reported.