From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756433Ab3CYBQl (ORCPT ); Sun, 24 Mar 2013 21:16:41 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:34120 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756331Ab3CYBQe (ORCPT ); Sun, 24 Mar 2013 21:16:34 -0400 Message-Id: <20130325010527.079369256@decadent.org.uk> User-Agent: quilt/0.60-1 Date: Mon, 25 Mar 2013 01:05:52 +0000 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: akpm@linux-foundation.org, Mathias Krause , Jan Kara Subject: [ 028/104] udf: avoid info leak on export Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In-Reply-To: <20130325010524.240972766@decadent.org.uk> X-SA-Exim-Connect-IP: 2001:470:1f08:1539:f137:78a:b654:affb X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathias Krause commit 0143fc5e9f6f5aad4764801015bc8d4b4a278200 upstream. For type 0x51 the udf.parent_partref member in struct fid gets copied uninitialized to userland. Fix this by initializing it to 0. Signed-off-by: Mathias Krause Signed-off-by: Jan Kara Signed-off-by: Ben Hutchings --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1293,6 +1293,7 @@ static int udf_encode_fh(struct dentry * *lenp = 3; fid->udf.block = location.logicalBlockNum; fid->udf.partref = location.partitionReferenceNum; + fid->udf.parent_partref = 0; fid->udf.generation = inode->i_generation; if (connectable && !S_ISDIR(inode->i_mode)) {