Message-ID: <4248520E.1070602@comcast.net>
Date: Mon, 28 Mar 2005 13:50:54 -0500
From: John Richard Moser <nigelenki@comcast.net>
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To: Arjan van de Ven <arjan@infradead.org>
CC: linux-kernel@vger.kernel.org, ubuntu-hardened@lists.ubuntu.com
Subject: Re: Collecting NX information
References: <42484B13.4060408@comcast.net> <1112035059.6003.44.camel@laptopd505.fenrus.org>
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Arjan van de Ven wrote:
>>As I understand, PT_GNU_STACK uses a single marking to control whether a
>>task gets an executable stack and whether ASLR is applied to the
>>executable.
> 
> 
> you understand wrongly.
> 
> PT_GNU_STACK just sets the exec permission for the stack (and the heap
> now mirrors the stack). Nothing more nothing less.
> 

So then this would be slightly more useful than I had previously
thought, bringing control over the randomization as well?

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