linux-kernel - Re: [PATCH] LSM: ModPin LSM for module loading restrictions

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Message-Id: <201310170037.r9H0b6jT024903@www262.sakura.ne.jp>
Date:	Thu, 17 Oct 2013 09:37:06 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	keescook@...omium.org
Cc:	james.l.morris@...cle.com, jmorris@...ei.org,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, rusty@...tcorp.com.au,
	casey@...aufler-ca.com
Subject: Re: [PATCH] LSM: ModPin LSM for module loading restrictions

Kees Cook wrote:
> So I sent this LSM as one I\'d been waiting
> for stacking on. Essentially, I\'m breaking the catch-22 by sending
> this. I\'d like it to get into the tree so we don\'t have a catch-22
> about stacking any more. :)

I\'m also trying to break the catch-22 by sending KPortReserve.
I would send another one which uses only security_file_alloc/free .

> The core changes first, and the userspace interface changes next?

I welcome that approach, for none of such single function LSM modules
depends on userspace interface changes.
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