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Date: Wed, 14 Jun 2017 18:47:08 +1000 (AEST)
From: James Morris <jmorris@namei.org>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
cc: linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com,
        David Safford <safford@us.ibm.com>,
        Mimi Zohar <zohar@linux.vnet.ibm.com>,
        David Howells <dhowells@redhat.com>, keyrings@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [kernel-hardening] [PATCH 4/6] security/keys: use constant time
 memory comparison for macs
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On Sat, 10 Jun 2017, Jason A. Donenfeld wrote:

> Otherwise, we enable a MAC forgery via timing attack.
> 
> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
> Cc: David Safford <safford@us.ibm.com>
> Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
> Cc: David Howells <dhowells@redhat.com>
> Cc: keyrings@vger.kernel.org
> Cc: stable@vger.kernel.org


Reviewed-by: James Morris <james.l.morris@oracle.com>


-- 
James Morris
<jmorris@namei.org>