From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: fsfuzzer: exabyte file sizes Date: Tue, 22 Nov 2011 13:10:50 +0300 Message-ID: <20111122101050.GK5832@mwanda> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="J2pR2RtFp0tAjF3C" To: linux-ext4@vger.kernel.org Return-path: Received: from rcsinet15.oracle.com ([148.87.113.117]:49177 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750904Ab1KVKJW (ORCPT ); Tue, 22 Nov 2011 05:09:22 -0500 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by rcsinet15.oracle.com (Switch-3.4.4/Switch-3.4.4) with ESMTP id pAMA9LZX006984 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 22 Nov 2011 10:09:22 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id pAMA9KGd012598 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 22 Nov 2011 10:09:21 GMT Received: from abhmt104.oracle.com (abhmt104.oracle.com [141.146.116.56]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id pAMA9FSh018333 for ; Tue, 22 Nov 2011 04:09:15 -0600 Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: --J2pR2RtFp0tAjF3C Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable I'm messing with fsfuzzer and it created a filesystem with a huge exabyte file which is larger than ext4 supports. root@elgon:/tmp# mount -o loop ext4_exabyte_file.img mnt/ root@elgon:/tmp# ls -l mnt/ ls: cannot access mnt/config.h: Input/output error ls: cannot access mnt/configure: Input/output error total 114898965103020 -rw-r--r-- 1 root root 267551 Nov 21 18:03 aclocal.m4 -rw-r--r-- 1 root root 216 Nov 21 18:03 AUTHORS -rw-r--r-- 1 root root 13893752 Nov 21 18:03 ChangeLog -rw-r--r-- 10753 root 175 29713 Nov 21 18:03 c?nfig.log -rwxr-xr-x 1 root root 44878 Nov 21 18:03 config.guess -????????? ? ? ? ? ? config.h -rw-r--r-- 1 root root 1882 Nov 21 18:03 config.h.i?~ -rw-r--r-- 1 root root 9583660007044417438 Nov 21 18:03 config.h.in -rwxr-xr-x 1 root root 33400 Nov 21 18:03 config.status -rwxr-xr-x 1 root root 33387 Nov 21 18:03 config.sub -????????? ? ? ? ? ? configure drwx------ 2 root root 16384 Nov 21 18:03 lost+found root@elgon:/tmp#=20 I've uploaded the corrupted filesystem image to: http://smatch.sf.net/upload/ext4_exabyte_file.img Not a huge deal, but I thought I'd report it anyway. regards, dan carpenter --J2pR2RtFp0tAjF3C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAEBAgAGBQJOy3UpAAoJEOnZkXI/YHqRUeMP/3Ia1ewGi/QfWyYFDBe615Vy pa9dBFy1ihMxE3AQLxsohIYA5AIN0Gdshz3Pe/ALYBn106YidJMtLvTNqvMLNl8J VgbvSM5VpH73BfaPtHZ9CAFRKo6nmPNvlXjf3WVB3LRL1sbl4vSO2yrMnXWKQyPQ DVSmwM2WlWmswu3QwvLIgjmrZDxmClOHXX/9uMFw4HeTw62ti0oB9Eqz4adKryz+ HSFfSj1WVQEQwN5vk3OldXTgATv9hMybBR5/lxXJwBO3mpWJrUABnGIy4z4jJVR/ nEyqMf5ZrAXlERIUsKhvKeE6pS1+K+4WL3cvxYzvfkGObjgFN3Qm6jAuF3rCBP+9 4QMUIaLPSDMba6/Ig3aG9k6lU0aER/8SDpgIsS4ME1Jqxyq1v8nT8/cvYp5iMqlK +IhL+hCVktHuwYXwPG9tKrGL30p+YlRI1kGbftSdE/ouCZjbDicyRLF8CrfPhtY+ VOxHRs+V2LsVeDU5QIfTuOQPWJHpj3zbwRMNPypQ1X5zF9wF6InDv7aWollbDhC3 9vYIKu+u3qb507+04/H6WhqAKXjDJkTxCPoa4usv9neMcAAkRcVFR20Y57s5ZST3 2YFE7MkMQnB4RF0PMMihiATeo5RWYDCQ57D5y189B2e/87bL3D1S3IjmlVRIDFiD 9st3AdyTRkhFV/2ttiF+ =3Drn -----END PGP SIGNATURE----- --J2pR2RtFp0tAjF3C--