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Message-ID: <20160809160305.GF30880@suse.de>
Date: Tue, 9 Aug 2016 18:03:05 +0200
From: Joerg Roedel <jroedel@...e.de>
To: Thomas Garnier <thgarnie@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
"H . Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...e.de>,
Dave Young <dyoung@...hat.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
Lv Zheng <lv.zheng@...el.com>, Baoquan He <bhe@...hat.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Mark Salter <msalter@...hat.com>,
Aleksey Makarov <aleksey.makarov@...aro.org>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Christian Borntraeger <borntraeger@...ibm.com>,
Fabian Frederick <fabf@...net.be>, Toshi Kani <toshi.kani@...com>,
Dan Williams <dan.j.williams@...el.com>,
the arch/x86 maintainers <x86@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH v1 1/2] x86/KASLR: Fix physical memory calculation on
KASLR memory randomization
On Tue, Aug 09, 2016 at 09:00:04AM -0700, Thomas Garnier wrote:
> On Mon, Aug 8, 2016 at 11:40 AM, Thomas Garnier <thgarnie@...gle.com> wrote:
> > Initialize KASLR memory randomization after max_pfn is initialized. Also
> > ensure the size is rounded up. Could have create problems on machines
> > with more than 1Tb of memory on certain random addresses.
> >
> > Signed-off-by: Thomas Garnier <thgarnie@...gle.com>
>
> I will send a new version of this PATCH soon. The test bot found
> places where virtual addresses were computed before PAGE_OFFSET was
> set. I will investigate that.
When you do that, please also add 'Fixes:' tags to your patches.
Thanks,
Joerg
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