linux-kernel - Re: [RFC][PATCH] Randomize kernel base address on boot

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Message-ID: <BANLkTin=VV_1rny+5EgwJXj1SQ45c2KKsw@mail.gmail.com>
Date:	Fri, 27 May 2011 10:16:37 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Dan Rosenberg <drosenberg@...curity.com>,
	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Tony Luck <tony.luck@...il.com>, linux-kernel@...r.kernel.org,
	davej@...hat.com, kees.cook@...onical.com, davem@...emloft.net,
	eranian@...gle.com, adobriyan@...il.com, penberg@...nel.org,
	Arjan van de Ven <arjan@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Valdis.Kletnieks@...edu, pageexec@...email.hu
Subject: Re: [RFC][PATCH] Randomize kernel base address on boot

On Fri, May 27, 2011 at 10:13 AM, H. Peter Anvin <hpa@...or.com> wrote:
>
> You can read the on-disk kernel file and find out.

So? Make it root-readable-only. Problem solved.

That's the _only_ difference, and it's trivial and irrelevant. Come up
with something more real, please.

                 Linus
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