linux-kernel - Re: mmap_min_addr and your local LSM (ok, just SELinux)

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Message-ID: <20090728133547.GA23858@grsecurity.net>
Date:	Tue, 28 Jul 2009 09:35:47 -0400
From:	spender@...ecurity.net (Brad Spengler)
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	James Morris <jmorris@...ei.org>,
	James Carter <jwcart2@...ho.nsa.gov>,
	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, selinux@...ho.nsa.gov,
	Stephen Smalley <sds@...ho.nsa.gov>,
	Daniel J Walsh <dwalsh@...hat.com>, cl@...ux-foundation.org,
	Arjan van de Ven <arjan@...radead.org>, kees@...flux.net,
	Chad Sellers <csellers@...sys.com>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	mingo@...e.hu
Subject: Re: mmap_min_addr and your local LSM (ok, just SELinux)

> If you use all available break points (making all gdb users unhappy)
> then you could still only cover 64 bytes on 64bit, 32 on 32bit.

Might want to double-check that math I think ;)

-Brad

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