From mboxrd@z Thu Jan 1 00:00:00 1970 From: Loic Dachary Subject: jerasure-1.2A valgrind error Date: Fri, 23 Aug 2013 18:07:26 +0200 Message-ID: <521788BE.1010404@dachary.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1789907EA2FB545E29C50DB8" Return-path: Received: from smtp.dmail.dachary.org ([86.65.39.20]:52876 "EHLO smtp.dmail.dachary.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754623Ab3HWQH3 (ORCPT ); Fri, 23 Aug 2013 12:07:29 -0400 Sender: ceph-devel-owner@vger.kernel.org List-ID: To: "James S. Plank" Cc: Ceph Development This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1789907EA2FB545E29C50DB8 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi James, I ran: valgrind --tool=3Dmemcheck ./encoder F 2 2 reed_sol_van 8 0 310 compiled from jerasure-1.2A as found at http://web.eecs.utk.edu/~plank/pl= ank/papers/Jerasure-1.2A.tar and compiled without modifications except for -g in the makefile to get t= he error lines. =3D=3D22001=3D=3D Use of uninitialised value of size 8 =3D=3D22001=3D=3D at 0x409CB1: galois_w08_region_multiply (galois.c:47= 4) =3D=3D22001=3D=3D by 0x4061CD: jerasure_matrix_dotprod (jerasure.c:628= ) =3D=3D22001=3D=3D by 0x404F06: jerasure_matrix_encode (jerasure.c:313)= =3D=3D22001=3D=3D by 0x40259C: main (encoder.c:518) The input file contains (i.e. 310 bytes, no newline ) ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJK= LMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUV= WXYZabcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefg= hijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqr= stuvwxyz0123456789 Should I be concerned about it ? valgrind --tool=3Dmemcheck ./encoder F 2 2 cauchy_good 8 8 310 shows no error. Cheers --=20 Lo=EFc Dachary, Artisan Logiciel Libre All that is necessary for the triumph of evil is that good people do noth= ing. --------------enig1789907EA2FB545E29C50DB8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iEYEARECAAYFAlIXiL4ACgkQ8dLMyEl6F22ASQCggWjjDcIY9msxGH2wm+B94NHL rWwAn1TK6EMf3Hg2EuiCnAvbPO0Z3a/b =lYfG -----END PGP SIGNATURE----- --------------enig1789907EA2FB545E29C50DB8--