linux-kernel - Re: [RFC] stack and heap are executable on x86

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Message-ID: <CAE9FiQWxm-RctpqbvF6VGtfgNQxazJbCsOQfrcseh8Q9iyrbUA@mail.gmail.com>
Date:	Fri, 21 Dec 2012 14:26:30 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	Jim Kukunas <james.t.kukunas@...ux.intel.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [RFC] stack and heap are executable on x86_64

On Fri, Dec 21, 2012 at 2:23 PM, H. Peter Anvin <hpa@...or.com> wrote:
> On 12/21/2012 02:22 PM, Yinghai Lu wrote:
>>
>> please check attached patch that set NX for data/bss/brk with 64bit.
>>
>
> This is on top of for-x86-boot I presume?

yes, but should work on current linus tree.

Do we want one that handle low mapping for current linus tree ?

Yinghai
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