linux-kernel - Re: x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000

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Message-ID: <18bf13a4-2853-358e-594f-27533193757c@molgen.mpg.de>
Date:   Thu, 4 Oct 2018 05:11:17 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-mm@...ck.org, x86@...nel.org,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000

Dear Borislav,

Am 03.10.2018 um 23:22 schrieb Borislav Petkov:
> On Fri, Sep 28, 2018 at 04:55:19PM +0200, Thomas Gleixner wrote:
>> Sorry for the delay and thanks for the data. A quick diff did not reveal
>> anything obvious. I'll have a closer look and we probably need more (other)
>> information to nail that down.
> 
> Just a brain dump of what I've found out so far.

Thank you for looking into this. On what board are you able to reproduce 
this? Do you build for 32-bit or 64-bit?


Kind regards,

Paul