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From: Stephen Smalley <>
To: James Morris <>
Cc: Alexey Dobriyan <>,,,
Subject: Re: SMACK or SELinux, but not both
Date: Tue, 26 Feb 2008 07:39:36 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, 2008-02-26 at 20:28 +1100, James Morris wrote:
> On Tue, 26 Feb 2008, Alexey Dobriyan wrote:
> > If SELinux is registered before SMACK, SMACK panics after
> > register_security() call.
> > 
> > If SMACK is registered before SELinux, SELinux panics after
> > register_security() call.
> > 
> > Consequently allmodconfig kernel doesn't boot. It would be nice if
> > some Kconfig magic to exclude each other will be in place.
> People want to be able to select the security model at boot time, so the 
> option to build both LSMs is required.
> You can stop SELinux from attempting to register as an LSM via selinux=0, 
> which should allow you to boot with just Smack enabled.

Ideally, one could just boot with security=<module> to select the
desired primary security module.  security=smack, security=selinux, or

Having to specify selinux=0 smack=0 foo=0 just to get bar wouldn't be
pretty.  Not that anyone would want to do that, of course...

Stephen Smalley
National Security Agency

  reply	other threads:[~2008-02-26 12:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-26  9:09 Alexey Dobriyan
2008-02-26  9:28 ` James Morris
2008-02-26 12:39   ` Stephen Smalley [this message]
2008-02-28 21:11     ` Bill Davidsen

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