bpf build error

bpf build error

[syzbot]

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@syzkaller.appspotmail.com

net/core/skbuff.c:2340:6: error: ‘struct msghdr’ has no member named ‘flags’

---
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See https://goo.gl/tpsmEJ for more information about syzbot.
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Re: bpf build error

[Daniel Borkmann]

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@syzkaller.appspotmail.com
> 
> net/core/skbuff.c:2340:6: error: ‘struct msghdr’ has no member named ‘flags’

Disregard, tossed from bpf tree.

Re: bpf build error

[Dmitry Vyukov]

On Fri, May 24, 2019 at 10:08 AM Daniel Borkmann <daniel@iogearbox.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@syzkaller.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.