Re: memory leak in vhost_net_ioctl

[Dmitry Vyukov]

On Thu, Jun 13, 2019 at 2:07 PM Hillf Danton <hdanton@xxxxxxxx> wrote:
>
>
> Hello Jason
>
> On Thu, 13 Jun 2019 17:10:39 +0800 Jason Wang wrote:
> >
> > This is basically a kfree(ubuf) after the second vhost_net_flush() in
> > vhost_net_release().
> >
> Fairly good catch.
>
> > Could you please post a formal patch?
> >
> I'd like very much to do that; but I wont, I am afraid, until I collect a
> Tested-by because of reproducer without a cutting edge.

You can easily collect Tested-by from syzbot for any bug with a reproducer ;)
https://github.com/google/syzkaller/blob/master/docs/syzbot.md#testing-patches