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: out-of-bounds read / crash in elfutils tools (readelf, nm,
 ...) with malformed file
Date: Sat, 08 Nov 2014 16:32:12 +0100
Message-ID: <20141108153212.GD28913@blokker.redhat.com>
In-Reply-To: 20141107171336.42dd94a9@pc

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On Fri, Nov 07, 2014 at 05:13:36PM +0100, Hanno B=C3=B6ck wrote:
> valgrind says on id:000053,src:000000,op:flip1,pos:879:
> ELF Header:
> vex x86->IR: unhandled instruction bytes: 0xC5 0xF8 0x77 0xE8
> =3D=3D6217=3D=3D valgrind: Unrecognised instruction at address 0x410f7a7.

You might have to upgrade your valgrind. That is VZEROUPPER an AVX
instruction that should be supported since valgrind 3.8.0 on x86_64.
Ah, you are running 32bit? Then valgrind does indeed not support it.

Cheers,

Mark


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