Re: KASAN: use-after-free Read in rds_tcp_tune

Dmitry Vyukov
2018-02-14T15:56:17Z

On Wed, Feb 14, 2018 at 4:35 PM, Sowmini Varadhan
<sowmini.varadhan@oracle.com> wrote:
> On (02/14/18 16:28), Dmitry Vyukov wrote:
>> syzbot is probably not seeing this problem. However if you don't add
>> the Reported-by tag to commit, nor provide syz fix tag, it will
>> consider it as "open". One consequence of this is that it is still on
>> our radars. Another consequence is that syzbot will never report bugs
>> in rds_tcp_tune ever again as it thinks that it's the same known bug,
>> so no point in bothering anybody.
>
> understood, I think I saw this in the original syzbot mail as well,
> but I was hesitant to actually add the tag because the fix was
> based on code-inspection only, and I would have felt more comfortable
> about asserting the Reported-by if I'd done a clear-cut before/after
> verification.
>
> btw, checkpatch.pl complains about the syzbot*@syzkaller.appspotmail.com
> addresses as "Unrecognized email address", we should fix that
> error from checkpatch at some point.

Interesting. Looking at checkpatch.pl I think it wants all addresses
to be in <>, i.e.
Reported-by: <syzbot+bbd8e9a06452cc48059b@syzkaller.appspotmail.com>
There probably was some reason to enforce this, so I think I will
change the syzbot email template to include <>.
Thanks!