linux-kernel - Re: [PATCH] security: unconditionally call Yama

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Message-ID: <alpine.LNX.2.00.1209020935390.20709@pobox.suse.cz>
Date:	Sun, 2 Sep 2012 09:37:40 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Kees Cook <keescook@...omium.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Eric Paris <eparis@...isplace.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org,
	James Morris <james.l.morris@...cle.com>,
	Eric Paris <eparis@...hat.com>,
	John Johansen <john.johansen@...onical.com>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH] security: unconditionally call Yama

On Fri, 31 Aug 2012, Kees Cook wrote:

> Given that several distros use (or want to use) Yama, I think that's 
> reason enough for this. I think it's important for us to take a 
> practical approach here, and having the big LSMs each hook Yama instead 
> of doing this in a single global place will make it needlessly 
> duplicated code.

With my SUSE hat on, I would be really reluctant to enable config option 
in the distribution kernel that will make attaching gdb to running 
processess impossible without any further tuning (like sysctl/procfs knob 
to explicitly enable this feature).

Thanks,

-- 
Jiri Kosina
SUSE Labs
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