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

From: Al Viro
Date: Thu Oct 18 2007 - 01:10:54 EST


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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