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From: David Howells <dhowells@redhat.com>
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To: Eric Biggers <ebiggers3@gmail.com>,
        Mat Martineau <mathew.j.martineau@linux.intel.com>
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        Stephan Mueller <smueller@chronox.de>, stable@vger.kernel.org,
        Eric Biggers <ebiggers@google.com>
Subject: Re: [PATCH] KEYS: DH: validate __spare field
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Date: Fri, 07 Jul 2017 09:19:40 +0100
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Eric Biggers <ebiggers3@gmail.com> wrote:

> Syscalls must validate that their reserved arguments are zero and return
> EINVAL otherwise.  Otherwise, it will be impossible to actually use them
> for anything in the future because existing programs may be passing
> garbage in.  This is standard practice when adding new APIs.

Fine by me.  Mat?

David