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 [thread overview]
Message-ID: <1417700455.18974.14.camel@bordewijk.wildebeest.org> (raw)
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=afl-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
next reply other threads:[~2014-12-04 13:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-04 13:40 Mark Wielaard [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-11-27 23:08 Mark Wielaard
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