From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Mark Wielaard <mjw@redhat.com>
To: elfutils-devel@lists.fedorahosted.org
Subject: Re: [PATCH] Add configure --disable-textrelcheck option to enable
 CC=afl-fuzz on 32bit.
Date: Thu, 04 Dec 2014 14:40:55 +0100
Message-ID: <1417700455.18974.14.camel@bordewijk.wildebeest.org>
In-Reply-To: 1417129682-29070-1-git-send-email-mjw@redhat.com

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On Fri, 2014-11-28 at 00:08 +0100, Mark Wielaard wrote:
> Using american fuzzy lop has found a lot of issues. It would be nice to
> make using it a bit easier. Our build files make sure that no shared
> library uses text relocations, but afl-gcc will insert some on i686.
> http://www.akkadia.org/drepper/textrelocs.html
> =

> Now CC=3Dafl-gcc ./configure --disable-textrelcheck will allow them so
> that afl can instrument the libraries.
> =

> Don't try to use or install them except with afl-fuzz. When selinux is
> enabled it might prevent loading the libraries with DT_TEXTREL set.

I pushed this to elfutils git master now. Running on 32bit x86 Fedora
has discovered some more crashers. I am currently analyzing and will
post patches soon.

Thanks,

Mark

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