linux-kernel - Re: [PATCH] security: remove security_sb_post

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Date:	Sat, 29 Dec 2007 16:29:29 -0800 (PST)
From:	Casey Schaufler <casey@...aufler-ca.com>
To:	"H. Peter Anvin" <hpa@...or.com>,
	Chris Wright <chrisw@...s-sol.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Eric Paris <eparis@...isplace.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Security Modules List 
	<linux-security-module@...r.kernel.org>
Subject: Re: [PATCH] security: remove security_sb_post_mountroot hook


--- "H. Peter Anvin" <hpa@...or.com> wrote:

> The security_sb_post_mountroot() hook is long-since obsolete, and is
> fundamentally broken: it is never invoked if someone uses initramfs.
> This is particularly damaging, because the existence of this hook has
> been used as motivation for not using initramfs.
> 
> Stephen Smalley confirmed on 2007-07-19 that this hook was originally
> used by SELinux but can now be safely removed:
> 
>      http://marc.info/?l=linux-kernel&m=118485683612916&w=2
> 
> Cc: Stephen Smalley <sds@...ho.nsa.gov>
> Cc: James Morris <jmorris@...ei.org>
> Cc: Eric Paris <eparis@...isplace.org>
> Cc: Chris Wright <chrisw@...s-sol.org>
> Signed-off-by: H. Peter Anvin <hpa@...or.com>

It is also the case that Smack does not use this hook.
It can be removed as far as I'm concerned.



Casey Schaufler
casey@...aufler-ca.com
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