From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756510Ab3CZXGP (ORCPT ); Tue, 26 Mar 2013 19:06:15 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53462 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756871Ab3CZXCR (ORCPT ); Tue, 26 Mar 2013 19:02:17 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mathias Krause , Jan Kara , Ben Hutchings Subject: [ 45/49] udf: avoid info leak on export Date: Tue, 26 Mar 2013 16:01:42 -0700 Message-Id: <20130326225844.248741017@linuxfoundation.org> X-Mailer: git-send-email 1.8.1.rc1.5.g7e0651a In-Reply-To: <20130326225839.554028294@linuxfoundation.org> References: <20130326225839.554028294@linuxfoundation.org> User-Agent: quilt/0.60-5.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.0-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 Cc: Ben Hutchings Signed-off-by: Greg Kroah-Hartman --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1297,6 +1297,7 @@ 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)) {