Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel | KernelTrap

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel

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From: Casey Schaufler <casey@...>

To: Andi Kleen <ak@...>, Theodore Tso <tytso@...>

Cc: Joshua Brindle <method@...>, Andrew Morton <akpm@...>, <casey@...>, <torvalds@...>, <linux-security-module@...>, <linux-kernel@...>, James Morris <jmorris@...>, Paul Moore <paul.moore@...>

Subject: Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel

Date: Monday, October 1, 2007 - 4:28 pm

--- Andi Kleen <ak@suse.de> wrote:


quoted text> Anyways; if someone wants to cripple their security for some
> performance this way they can surely do this; but i don't think we should 
> offer it as a default configuration option (just as we don't have a 
> CONFIG_NULL_LSM even though there are undoubtedly systems that don't
> care about permission checking[1]) 
> 
> -Andi
> 
> [1] I bet I gave the linux-tiny crowd an idea now ;-)

You would need authoritative LSM hooks for this. The current LSM
additional restrictions model does not provide for this.


Casey Schaufler
casey@schaufler-ca.com
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Messages in current thread:

[PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory A..., Casey Schaufler, (Sat Sep 29, 8:20 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Serge E. Hallyn, (Sun Sep 30, 11:47 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 1, 12:15 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Andrew Morton, (Sun Sep 30, 4:16 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Jan Engelhardt, (Mon Oct 1, 4:49 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., James Morris, (Mon Oct 1, 7:33 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 1, 11:38 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Mon Oct 1, 11:07 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Stephen Smalley, (Mon Oct 1, 11:40 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Theodore Tso, (Mon Oct 1, 3:00 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 1, 12:39 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Mon Oct 1, 12:04 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Bill Davidsen, (Tue Oct 2, 5:02 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Alan Cox, (Tue Oct 2, 8:10 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Tue Oct 2, 8:18 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Tue Oct 2, 5:20 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Bill Davidsen, (Tue Oct 2, 11:54 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Wed Oct 3, 12:52 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Thu Oct 4, 9:44 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Kyle Moffett, (Thu Oct 4, 11:04 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Bill Davidsen, (Sat Oct 6, 3:14 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Fri Oct 5, 12:45 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Serge E. Hallyn, (Mon Oct 8, 12:06 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 1:20 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 8, 4:25 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 4:57 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Serge E. Hallyn, (Mon Oct 8, 2:00 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Kazuki Omo(Company), (Tue Oct 30, 12:01 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Tue Oct 30, 11:07 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 3:50 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Crispin Cowan, (Mon Oct 8, 5:51 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Alan Cox, (Mon Oct 8, 5:20 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Wed Oct 10, 9:48 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Stephen Smalley, (Wed Oct 10, 11:45 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Wed Oct 10, 1:57 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Kyle Moffett, (Thu Oct 11, 6:46 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Thu Oct 11, 11:41 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Kyle Moffett, (Thu Oct 11, 2:53 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Alan Cox, (Thu Oct 11, 4:09 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 8, 4:39 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 5:02 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 3:29 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Kyle Moffett, (Fri Oct 5, 1:48 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Fri Oct 5, 12:27 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Serge E. Hallyn, (Mon Oct 8, 12:18 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Bill Davidsen, (Mon Oct 8, 7:24 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 8, 1:31 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Stephen Smalley, (Tue Oct 9, 9:52 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Tue Oct 9, 12:02 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Stephen Smalley, (Fri Oct 5, 2:42 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Fri Oct 5, 4:11 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 8, 1:50 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Eric W. Biederman, (Mon Oct 8, 2:47 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 8, 5:05 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Serge E. Hallyn, (Mon Oct 8, 2:53 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Fri Oct 5, 4:08 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Linus Torvalds, (Tue Oct 2, 7:25 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Crispin Cowan, (Wed Oct 3, 1:32 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Alan Cox, (Tue Oct 2, 8:12 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Derek Fawcus, (Thu Oct 4, 6:56 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Chuck Ebbert, (Thu Oct 4, 7:18 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Derek Fawcus, (Thu Oct 4, 7:44 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Olivier Galibert, (Mon Oct 1, 1:54 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Paul Moore, (Sun Sep 30, 4:30 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Sun Sep 30, 1:02 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Andi Kleen, (Sun Sep 30, 4:42 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Sun Sep 30, 1:14 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Andi Kleen, (Sun Sep 30, 1:34 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., , (Sun Sep 30, 7:24 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Joshua Brindle, (Sun Sep 30, 1:29 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Andi Kleen, (Sun Sep 30, 1:39 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Theodore Tso, (Sun Sep 30, 3:07 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Paul Moore, (Sun Sep 30, 4:18 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Andi Kleen, (Sun Sep 30, 4:05 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Mon Oct 1, 4:28 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Theodore Tso, (Sun Sep 30, 4:22 pm)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Christoph Hellwig, (Sun Sep 30, 5:53 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Thomas Bleher, (Tue Oct 2, 4:36 am)

Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandato..., Casey Schaufler, (Sun Sep 30, 1:19 pm)

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