linux-kernel - Re: [PATCH] security: allow Yama to be unconditionally stacked

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Message-ID: <CACLa4pvcqXfArSmm3bRadJF9unafyko9T4F9OfwUYTgHdfU49g@mail.gmail.com>
Date:	Wed, 5 Sep 2012 14:32:17 -0400
From:	Eric Paris <eparis@...isplace.org>
To:	Serge Hallyn <serge.hallyn@...onical.com>
Cc:	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
	James Morris <james.l.morris@...cle.com>,
	Eric Paris <eparis@...hat.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Al Viro <viro@...iv.linux.org.uk>,
	John Johansen <john.johansen@...onical.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH] security: allow Yama to be unconditionally stacked

On Wed, Sep 5, 2012 at 11:47 AM, Serge Hallyn
<serge.hallyn@...onical.com> wrote:
> Quoting Kees Cook (keescook@...omium.org):
>> Unconditionally call Yama when CONFIG_SECURITY_YAMA_STACKED is selected,
>> no matter what LSM module is primary.
>>
>> Ubuntu and Chrome OS already carry patches to do this, and Fedora
>> has voiced interest in doing this as well. Instead of having multiple
>> distributions (or LSM authors) carrying these patches, just allow Yama
>> to be called unconditionally when selected by the new CONFIG.
>
> I don't really like having both the STACKED and non-stacked paths. But
> I don't have a good alternative.
>
>> Signed-off-by: Kees Cook <keescook@...omium.org>
>
> Acked-by: Serge E. Hallyn <serge.hallyn@...onical.com>

I said basically the same thing to Kees off list.  But I don't have an
answer either.

Acked-by: Eric Paris <eparis@...hat.com>
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