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From: David Howells <dhowells@redhat.com>
In-Reply-To: <20170421182418.GA12755@gmail.com>
References: <20170421182418.GA12755@gmail.com> <20170421083037.12746-4-ebiggers3@gmail.com> <20170421083037.12746-1-ebiggers3@gmail.com> <28373.1492785068@warthog.procyon.org.uk>
To: Eric Biggers <ebiggers3@gmail.com>
Cc: dhowells@redhat.com, keyrings@vger.kernel.org,
        linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org,
        Eric Biggers <ebiggers@google.com>,
        Mimi Zohar <zohar@linux.vnet.ibm.com>,
        David Safford <safford@us.ibm.com>
Subject: Re: [PATCH 3/5] KEYS: encrypted: sanitize all key material
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Date: Mon, 24 Apr 2017 15:14:54 +0100
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Eric Biggers <ebiggers3@gmail.com> wrote:

> It's not actually needed because it's impossible for the compiler to optimize
> away the memset().  memzero_explicit() is only needed on stack data.

Okay, also reasonable.

David