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Groups > linux.kernel > #1355309 > unrolled thread

Re: net: use-after-free in recvmmsg

Started byDmitry Vyukov <dvyukov@google.com>
First post2016-03-10 19:40 +0100
Last post2016-03-11 17:50 +0100
Articles 3 — 2 participants

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  Re: net: use-after-free in recvmmsg Dmitry Vyukov <dvyukov@google.com> - 2016-03-10 19:40 +0100
    Re: net: use-after-free in recvmmsg Arnaldo Carvalho de Melo <acme@redhat.com> - 2016-03-10 20:40 +0100
      Re: net: use-after-free in recvmmsg Dmitry Vyukov <dvyukov@google.com> - 2016-03-11 17:50 +0100

#1355309 — Re: net: use-after-free in recvmmsg

FromDmitry Vyukov <dvyukov@google.com>
Date2016-03-10 19:40 +0100
SubjectRe: net: use-after-free in recvmmsg
Message-ID<rbdF8-2tR-9@gated-at.bofh.it>
On Tue, Jan 26, 2016 at 8:30 PM, Arnaldo Carvalho de Melo
<acme@redhat.com> 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@redhat.com> 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.

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#1355344

FromArnaldo Carvalho de Melo <acme@redhat.com>
Date2016-03-10 20:40 +0100
Message-ID<rbeBb-34j-3@gated-at.bofh.it>
In reply to#1355309
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@redhat.com> 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@redhat.com> 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@google.com>

Ok?

- Arnaldo

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#1356050

FromDmitry Vyukov <dvyukov@google.com>
Date2016-03-11 17:50 +0100
Message-ID<rbyqe-CG-17@gated-at.bofh.it>
In reply to#1355344
On Thu, Mar 10, 2016 at 8:31 PM, Arnaldo Carvalho de Melo
<acme@redhat.com> wrote:
> 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@redhat.com> 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@redhat.com> 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@google.com>
>
> Ok?

Ok

Reported-and-Tested-by: Dmitry Vyukov <dvyukov@google.com>

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