Re: crypto: use-after-free in hash_sock_destruct_common
From: Dmitry Vyukov
Date: Wed Jan 13 2016 - 05:27:49 EST
On Wed, Jan 13, 2016 at 11:25 AM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
> On Wed, Jan 13, 2016 at 7:57 AM, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
>> On Tue, Jan 12, 2016 at 07:31:03PM +0100, Dmitry Vyukov wrote:
>> > The following program triggers use-after-free in
>> > hash_sock_destruct_common. This is on master of
>> > git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
>> > (cd7e98414462b9db70067ac29896c58210b13b69). I've also seen a similar
>> > crash in skcipher_sock_destruct_common.
>> OK the new compatibility nokey path introduced some new problems.
>> Please try the following patches.
> Yes, these 4 patches fix the crash for me. Thanks for quick fix!
> Tested-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Oops, resending as plain text.