From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56684 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932133AbcCMDuC (ORCPT ); Sat, 12 Mar 2016 22:50:02 -0500 Subject: Patch "ovl: copy new uid/gid into overlayfs runtime inode" has been added to the 4.4-stable tree To: koct9i@gmail.com, gregkh@linuxfoundation.org, miklos@szeredi.hu Cc: , From: Date: Sat, 12 Mar 2016 19:47:40 -0800 Message-ID: <14578408605728@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: copy new uid/gid into overlayfs runtime inode 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-copy-new-uid-gid-into-overlayfs-runtime-inode.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 b81de061fa59f17d2730aabb1b84419ef3913810 Mon Sep 17 00:00:00 2001 From: Konstantin Khlebnikov Date: Sun, 31 Jan 2016 16:21:29 +0300 Subject: ovl: copy new uid/gid into overlayfs runtime inode From: Konstantin Khlebnikov commit b81de061fa59f17d2730aabb1b84419ef3913810 upstream. Overlayfs must update uid/gid after chown, otherwise functions like inode_owner_or_capable() will check user against stale uid. Catched by xfstests generic/087, it chowns file and calls utimes. Signed-off-by: Konstantin Khlebnikov Signed-off-by: Miklos Szeredi Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/inode.c | 2 ++ 1 file changed, 2 insertions(+) --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -65,6 +65,8 @@ int ovl_setattr(struct dentry *dentry, s mutex_lock(&upperdentry->d_inode->i_mutex); err = notify_change(upperdentry, attr, NULL); + if (!err) + ovl_copyattr(upperdentry->d_inode, dentry->d_inode); mutex_unlock(&upperdentry->d_inode->i_mutex); } ovl_drop_write(dentry); Patches currently in stable-queue which might be from koct9i@gmail.com are queue-4.4/ovl-ignore-lower-entries-when-checking-purity-of-non-directory-entries.patch queue-4.4/ovl-copy-new-uid-gid-into-overlayfs-runtime-inode.patch queue-4.4/ovl-fix-working-on-distributed-fs-as-lower-layer.patch queue-4.4/ovl-fix-getcwd-failure-after-unsuccessful-rmdir.patch