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Message-ID: <CAE9FiQVA17TGuY5_DFGUL8OSMLx+yJQV1fhe7JDkaoq1a9-oSw@mail.gmail.com>
Date: Fri, 26 Apr 2013 14:51:54 -0700
From: Yinghai Lu <yinghai@...nel.org>
To: Kees Cook <keescook@...omium.org>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
"the arch/x86 maintainers" <x86@...nel.org>, Jarkko Sakkinen <jarkko.sakkinen@...el.com>,
Matthew Garrett <mjg@...hat.com>, Matt Fleming <matt.fleming@...el.com>,
Eric Northup <digitaleric@...gle.com>, Dan Rosenberg <drosenberg@...curity.com>,
Julien Tinnes <jln@...gle.com>, Will Drewry <wad@...omium.org>
Subject: Re: [PATCH 5/6] x86: kaslr: select memory region from e820 maps
On Fri, Apr 26, 2013 at 12:03 PM, Kees Cook <keescook@...omium.org> wrote:
> This chooses the largest contiguous RAM region for the KASLR offset
> to live in.
>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> ---
> v2:
> - make sure to exclude e820 regions outside the 32-bit memory range.
Do you need to execlude range that is used for initrd and possible
command_line and boot_param ?
Yinghai
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