linux-kernel - Re: [PATCH v10 01/11] x86/crypto: Adapt assembly for PIE support

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Message-ID: <20191218124604.GE24886@zn.tnic>
Date:   Wed, 18 Dec 2019 13:46:04 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Thomas Garnier <thgarnie@...omium.org>
Cc:     kernel-hardening@...ts.openwall.com, kristen@...ux.intel.com,
        keescook@...omium.org, Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 01/11] x86/crypto: Adapt assembly for PIE support

On Wed, Dec 04, 2019 at 04:09:38PM -0800, Thomas Garnier wrote:
> Change the assembly code to use only relative references of symbols for the
> kernel to be PIE compatible.
> 
> Position Independent Executable (PIE) support will allow to extend the
> KASLR randomization range below 0xffffffff80000000.

FFS, how many times do we have to talk about this auto-sprinkled
sentence?!

https://lkml.kernel.org/r/20190805163202.GD18785@zn.tnic

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette