linux-kernel - Re: [kernel-hardening] [PATCH] [RFC] binfmt_elf: Use ELF_ET_DYN

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Date:   Wed, 21 Jun 2017 14:47:49 -0400
From:   Rik van Riel <riel@...hat.com>
To:     Daniel Micay <danielmicay@...il.com>,
        Kees Cook <keescook@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Qualys Security Advisory <qsa@...lys.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "x86@...nel.org" <x86@...nel.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Grzegorz Andrejczuk <grzegorz.andrejczuk@...el.com>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "kernel-hardening@...ts.openwall.com" 
        <kernel-hardening@...ts.openwall.com>
Subject: Re: [kernel-hardening] [PATCH] [RFC] binfmt_elf: Use
 ELF_ET_DYN_BASE only for PIE

On Wed, 2017-06-21 at 13:32 -0400, Daniel Micay wrote:
> On Wed, 2017-06-21 at 10:28 -0700, Kees Cook wrote:
> > > The stack rlimit calculation fix for space potentially lost to
> > > ASLR
> > > is
> > > probably still needed too, right?
> > 
> > Yes. Was that picked up by akpm already?
> > 
> > -Kees
> 
> I think it was dropped when the ET_DYN changes were dropped.

I can resend those.