Re: net: use-after-free in recvmmsg

From: Arnaldo Carvalho de Melo
Date: Thu Mar 10 2016 - 14:31:20 EST


Em Thu, Mar 10, 2016 at 07:35:57PM +0100, Dmitry Vyukov escreveu:
> On Tue, Jan 26, 2016 at 8:30 PM, Arnaldo Carvalho de Melo
> <acme@xxxxxxxxxx> wrote:
> > Em Tue, Jan 26, 2016 at 08:27:48PM +0100, Dmitry Vyukov escreveu:
> >> On Fri, Jan 22, 2016 at 10:16 PM, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:
> >> > Em Fri, Jan 22, 2016 at 09:39:53PM +0100, Dmitry Vyukov escreveu:
> >> >> I am on commit 30f05309bde49295e02e45c7e615f73aa4e0ccc2 (Jan 20).
> >> >> Seems to be added in commit a2e2725541fad72416326798c2d7fa4dafb7d337
> >> >> (Oct 2009).
> >> >
> >> > Maybe this helps? Compile testing now...
> >>
> >>
> >> I don't have a reliable reproducer, so can't test it per se.
> >> I will integrate this patch tomorrow and restart fuzzer with it.
> >
> > Thanks a lot!
>
> Hi Arnaldo,
>
> I am running with that patch since then, and did not see the bug.
> Please mail it as a proper patch.

Thanks, and I'll add a:

Reported-and-Tested-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>

Ok?

- Arnaldo