From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:51076 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756155AbcBXDx5 (ORCPT ); Tue, 23 Feb 2016 22:53:57 -0500 Subject: Patch "ovl: allow zero size xattr" has been added to the 4.4-stable tree To: miklos@szeredi.hu, gregkh@linuxfoundation.org Cc: , From: Date: Tue, 23 Feb 2016 19:24:41 -0800 Message-ID: <1456284281130158@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ovl: allow zero size xattr to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ovl-allow-zero-size-xattr.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 97daf8b97ad6f913a34c82515be64dc9ac08d63e Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 10 Nov 2015 17:08:41 +0100 Subject: ovl: allow zero size xattr From: Miklos Szeredi commit 97daf8b97ad6f913a34c82515be64dc9ac08d63e upstream. When ovl_copy_xattr() encountered a zero size xattr no more xattrs were copied and the function returned success. This is clearly not the desired behavior. Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/copy_up.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -54,7 +54,7 @@ int ovl_copy_xattr(struct dentry *old, s for (name = buf; name < (buf + list_size); name += strlen(name) + 1) { size = vfs_getxattr(old, name, value, XATTR_SIZE_MAX); - if (size <= 0) { + if (size < 0) { error = size; goto out_free_value; } Patches currently in stable-queue which might be from miklos@szeredi.hu are queue-4.4/ovl-allow-zero-size-xattr.patch queue-4.4/ovl-root-copy-attr.patch queue-4.4/ovl-check-dentry-positiveness-in-ovl_cleanup_whiteouts.patch queue-4.4/ovl-setattr-check-permissions-before-copy-up.patch queue-4.4/ovl-use-a-minimal-buffer-in-ovl_copy_xattr.patch