Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756559Ab3CZXGf (ORCPT ); Tue, 26 Mar 2013 19:06:35 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:53453 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756869Ab3CZXCQ (ORCPT ); Tue, 26 Mar 2013 19:02:16 -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: [ 44/49] isofs: avoid info leak on export Date: Tue, 26 Mar 2013 16:01:41 -0700 Message-Id: <20130326225844.135399972@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 Content-Length: 1213 Lines: 37 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathias Krause commit fe685aabf7c8c9f138e5ea900954d295bf229175 upstream. For type 1 the parent_offset member in struct isofs_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/isofs/export.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/isofs/export.c +++ b/fs/isofs/export.c @@ -135,6 +135,7 @@ isofs_export_encode_fh(struct dentry *de len = 3; fh32[0] = ei->i_iget5_block; fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */ + fh16[3] = 0; /* avoid leaking uninitialized data */ fh32[2] = inode->i_generation; if (connectable && !S_ISDIR(inode->i_mode)) { struct inode *parent; -- 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/