netdev - Re: [PATCH 1/3] Security: Add prctl(PR_{GET,SET}

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Message-ID: <20091218163348.GA24269@heat>
Date:	Fri, 18 Dec 2009 11:33:48 -0500
From:	Michael Stone <michael@...top.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Michael Stone <michael@...top.org>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>, David Lang <david@...g.hm>,
	Oliver Hartkopp <socketcan@...tkopp.net>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Valdis Kletnieks <Valdis.Kletnieks@...edu>,
	Bryan Donlan <bdonlan@...il.com>,
	Evgeniy Polyakov <zbr@...emap.net>,
	"C. Scott Ananian" <cscott@...ott.net>,
	James Morris <jmorris@...ei.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Bernie Innocenti <bernie@...ewiz.org>,
	Mark Seaborn <mrs@...hic-beasts.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Américo Wang <xiyou.wangcong@...il.com>
Subject: Re: [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK)

Alan Cox wrote:

> This is a security model, it belongs as a security model using LSM. 

I'll see what I can cook up for you.

However, please don't be surprised when the resulting cover letter states that
the LSM-based version *does not* resolve the situation to my satisfaction as a
userland hacker due to the well-known and long-standing adoption and
compositionality problems facing small LSMs. ;)

Regards,

Michael

P.S. - Dan is cited in my patch because I wish to honor him for anticipating my
desires early, clearly, and in writing. However, if you know of an earlier
citation, then I'll be happy to include that one too.
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