From: Stephan Mueller <smueller@chronox.de>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
linux-crypto@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
syzkaller <syzkaller@googlegroups.com>,
Kostya Serebryany <kcc@google.com>,
Alexander Potapenko <glider@google.com>,
Sasha Levin <sasha.levin@oracle.com>,
Eric Dumazet <edumazet@google.com>
Subject: Re: crypto: use-after-free in rng_recvmsg
Date: Wed, 30 Dec 2015 21:54:09 +0100 [thread overview]
Message-ID: <1770781.3L9ebnaMWA@myon.chronox.de> (raw)
In-Reply-To: <CACT4Y+b4tFGXuaTbTkbt5u=E2K5RXOcihXnj7jtEZaCB+FwqPg@mail.gmail.com>
Am Montag, 28. Dezember 2015, 14:48:48 schrieb Dmitry Vyukov:
Hi Dmitry,
> Hello,
>
> On commit a88164345b81292b55a8d4829fdd35c8d611cd7d (Dec 23)
> + crypto: algif_skcipher - Use new skcipher interface
> + crypto: algif_skcipher - Require setkey before accept(2)
>
> The following program triggers use-after-free in rng_recvmsg:
Thank you for the bug report.
After applying the patch from Herbert [1], I was not able to reproduce the
issue even after 1000 rounds of the test code. Considering the issue and the
patch from Herbert, I would consider the issue being fixed.
[1] http://www.mail-archive.com/linux-crypto@vger.kernel.org/msg17450.html
Thank you.
--
Ciao
Stephan
prev parent reply other threads:[~2015-12-30 20:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-28 13:48 Dmitry Vyukov
2015-12-30 20:54 ` Stephan Mueller [this message]
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