linux-kernel - Re: [PATCH v3 2/7] x86, boot: Move ZO to end of buffer

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Date:	Tue, 10 Mar 2015 06:59:17 +0100
From:	Borislav Petkov <bp@...e.de>
To:	Kees Cook <keescook@...omium.org>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Baoquan He <bhe@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jiri Kosina <jkosina@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>
Subject: Re: [PATCH v3 2/7] x86, boot: Move ZO to end of buffer

On Mon, Mar 09, 2015 at 05:54:01PM -0700, Kees Cook wrote:
> On Sat, Mar 7, 2015 at 2:07 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> > Boris found data from boot stage can not be used kernel stage.
> 
> "... be used during kernel stage."
> 
> Also, can you give a specific example of this problem? (Which data, used how?)

Yeah, I'm filling stuff in, no worries. It just takes twice as long as
I'm decyphering early boot code *and* Yinghai. :-)

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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