linux-kernel - Re: [PATCH BUGFIX -rc3] Smack: Don't register smackfs if we're not loaded

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Date:	Wed, 5 Mar 2008 14:51:43 +0200
From:	"Ahmed S. Darwish" <darwish.07@...il.com>
To:	Casey Schaufler <casey@...aufler-ca.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Eric Paris <eparis@...isplace.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH BUGFIX -rc3] Smack: Don't register smackfs if we're not
	loaded

On Wed, Mar 05, 2008 at 02:44:45PM +0200, Ahmed S. Darwish wrote:
> On Tue, Mar 04, 2008 at 09:45:04AM -0800, Casey Schaufler wrote:
> > > From: Linus Torvalds <torvalds@...ux-foundation.org>
...
> > > 
> > > What is the oops? Why does it happen?
> ...
> > 
> > One solution would be to tighten the smackfs code so that it
> > handles the uninitialized LSM case properly.
> > 
> 
> IMHO no smackfs code should ever execute if smack isn't loaded.
> 
> This means catching it from the very fist step where it registers
> itself in init_smk_fs instead of doing several if(we're enabled) cases
> in the code path.
> 
> The solution should be a _general_ solution, _not_ a SMACK one cause 
> SELinux sufferes from exactly the same problem.
> 

Not to be misunderstood here, I'm used to writing SMACK in capitals.
I ,ofcourse, don't mean shouting (never will).

Regards,

-- 

"Better to light a candle, than curse the darkness"

Ahmed S. Darwish
Homepage: http://darwish.07.googlepages.com
Blog: http://darwish-07.blogspot.com

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