Re: net: use-after-free in recvmmsg

From	Dmitry Vyukov <dvyukov@google.com>
Newsgroups	linux.kernel
Subject	Re: net: use-after-free in recvmmsg
Date	2016-03-10 19:40 +0100
Message-ID	<rbdF8-2tR-9@gated-at.bofh.it> (permalink)
References	<qTQOC-Mq-15@gated-at.bofh.it> <qTRhE-1dO-1@gated-at.bofh.it> <qVhto-gQ-17@gated-at.bofh.it> <qVhD4-nw-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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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

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