From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932344Ab2GLGsV (ORCPT ); Thu, 12 Jul 2012 02:48:21 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:57989 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757089Ab2GLGrs (ORCPT ); Thu, 12 Jul 2012 02:47:48 -0400 From: Mathias Krause To: Al Viro , Jan Kara Cc: linux-kernel@vger.kernel.org, Mathias Krause Subject: [PATCH 2/2] udf: avoid info leak on export Date: Thu, 12 Jul 2012 08:46:55 +0200 Message-Id: <1342075615-24683-3-git-send-email-minipli@googlemail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1342075615-24683-1-git-send-email-minipli@googlemail.com> References: <1342075615-24683-1-git-send-email-minipli@googlemail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- fs/udf/namei.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 1802417..c31deb3 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1279,6 +1279,7 @@ static int udf_encode_fh(struct inode *inode, __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 (parent) { -- 1.7.10.4