linux-kernel - Re: [PATCH 5/7] arm64: keep .altinstructions and .altinstr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20171201103621.366e797d@roar.ozlabs.ibm.com>
Date:   Fri, 1 Dec 2017 10:36:21 +1000
From:   Nicholas Piggin <npiggin@...il.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Sami Tolvanen <samitolvanen@...gle.com>,
        Alex Matveev <alxmtvv@...il.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Greg Hackmann <ghackmann@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        linux-arm-kernel@...ts.infradead.org,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Yury Norov <ynorov@...iumnetworks.com>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH 5/7] arm64: keep .altinstructions and
 .altinstr_replacement

On Thu, 30 Nov 2017 09:00:35 -0800
Nick Desaulniers <ndesaulniers@...gle.com> wrote:

> On Wed, Nov 29, 2017 at 5:58 PM, Nicholas Piggin <npiggin@...il.com> wrote:
> > (Comparing `readelf -S` before/after is a way to spot bugs.)  
> 
> Do you have a script that can be used to diff 2 `readelf -S`, look for
> missing references, and report an error? Might be easier to rerun that
> every so often and see what's missing.

I don't, I was just doing it by hand.

Thanks,
Nick