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Message-ID: <CAB=4xho2b5fZV_jC15XW3mhOD9Z0QUMnV_UHy-P5EmQWfX59dA@mail.gmail.com>
Date: Mon, 21 May 2012 11:25:04 -0700
From: Roland McGrath <mcgrathr@...gle.com>
To: Eric Paris <netdev@...isplace.org>
Cc: Will Drewry <wad@...omium.org>, linux-kernel@...r.kernel.org, 
	linux-security-module@...r.kernel.org, kernel-hardening@...ts.openwall.com, 
	hpa@...or.com, mingo@...hat.com, oleg@...hat.com, peterz@...radead.org, 
	rdunlap@...otime.net, tglx@...utronix.de, luto@....edu, eparis@...hat.com, 
	serge.hallyn@...onical.com, indan@....nu, pmoore@...hat.com, 
	akpm@...ux-foundation.org, corbet@....net, eric.dumazet@...il.com, 
	markus@...omium.org, coreyb@...ux.vnet.ibm.com, keescook@...omium.org
Subject: Re: seccomp and ptrace. what is the correct order?

>From a security perspective I think the natural expectation would be that
the seccomp check is on the values that will actually be used, without an
intervening opportunity to change anything.

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