linux-kernel - Re: [PATCH] Version 8 (2.6.23) Smack: Simplified Mandatory Access Control Kernel

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Date:	Thu, 18 Oct 2007 06:10:31 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Casey Schaufler <casey@...aufler-ca.com>
Cc:	torvalds@...l.org, akpm@...l.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Version 8 (2.6.23) Smack: Simplified Mandatory Access Control Kernel

On Thu, Oct 18, 2007 at 05:57:05AM +0100, Al Viro wrote:
> On Tue, Oct 16, 2007 at 09:17:40PM -0700, Casey Schaufler wrote:

> Think what happens if CPU1 adds to list and CPU2 sees write to smk_known
> *before* it sees write to ->smk_next.  We see a single-element list and
> we'll be lucky if that single entry won't be FUBAR.

While we are at it, what protects smack_cipso_count?
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