Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755329AbaBEUST (ORCPT ); Wed, 5 Feb 2014 15:18:19 -0500 Received: from mail1.windriver.com ([147.11.146.13]:48581 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755260AbaBEUHv (ORCPT ); Wed, 5 Feb 2014 15:07:51 -0500 From: Paul Gortmaker To: , CC: Mathias Krause , Jan Kara , Paul Gortmaker Subject: [v2.6.34-stable 187/213] udf: avoid info leak on export Date: Wed, 5 Feb 2014 15:02:22 -0500 Message-ID: <1391630568-49251-188-git-send-email-paul.gortmaker@windriver.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1391630568-49251-1-git-send-email-paul.gortmaker@windriver.com> References: <1391630568-49251-1-git-send-email-paul.gortmaker@windriver.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mathias Krause ------------------- This is a commit scheduled for the next v2.6.34 longterm release. http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git If you see a problem with using this for longterm, please comment. ------------------- 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: Paul Gortmaker --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 75816025f95f..919fa1e5f761 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1366,6 +1366,7 @@ static int udf_encode_fh(struct dentry *de, __u32 *fh, int *lenp, *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)) { -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/