Re: [RFC][PATCH 0/11] security: AppArmor - Overview

[Serge E. Hallyn]

Quoting Andi Kleen (ak@xxxxxxx):
> Arjan van de Ven <arjan@xxxxxxxxxxxxx> writes:
> > 
> > you must have a good defense against that argument, so I'm curious to
> > hear what it is
> 
> [I'm not from the apparmor people but my understanding is]
> 
> Usually they claimed name spaces as the reason it couldn't work.
> 
> In practice AFAIK basically nobody uses name spaces for
> anything.  AppArmor just forbids mounts/CLONE_NEWNS for the confined

Well, I use them all over the place to keep accounts on separate /tmp's,
etc.  It may not be the norm yet, but the general availability of
pam_mount etc, and the implementation of shared subtrees may well change
that.

But then if that happens, as Al points out, AA might be able to
embrace rather than fight it.

-serge
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