linux-kernel - Re: [PATCH V10] RO/NX protection for loadable kernel modules

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Date:	Tue, 2 Feb 2010 14:29:38 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Siarhei Liakh <sliakh.lkml@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-next@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	James Morris <jmorris@...ei.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@....de>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH V10] RO/NX protection for loadable kernel modules

On Tue, 2 Feb 2010 10:09:53 am Siarhei Liakh wrote:
> This patch is a logical extension of the protection provided by
> CONFIG_DEBUG_RODATA to LKMs. The protection is provided by splitting
> module_core and module_init into three logical parts each and setting
> appropriate page access permissions for each individual section:
> 
>  1. Code: RO+X
>  2. RO data: RO+NX
>  3. RW data: RW+NX

Thanks, applied!

Cheers,
Rusty.
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