From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42212 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932476AbdJ3J3r (ORCPT ); Mon, 30 Oct 2017 05:29:47 -0400 Subject: Patch "ovl: handle ENOENT on index lookup" has been added to the 4.13-stable tree To: amir73il@gmail.com, gregkh@linuxfoundation.org Cc: , From: Date: Mon, 30 Oct 2017 10:29:33 +0100 Message-ID: <1509355773107221@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: handle ENOENT on index lookup to the 4.13-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-handle-enoent-on-index-lookup.patch and it can be found in the queue-4.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 7937a56fdf0b064c2ffa33025210f725a4ebc822 Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Fri, 20 Oct 2017 17:19:06 +0300 Subject: ovl: handle ENOENT on index lookup From: Amir Goldstein commit 7937a56fdf0b064c2ffa33025210f725a4ebc822 upstream. Treat ENOENT from index entry lookup the same way as treating a returned negative dentry. Apparently, either could be returned if file is not found, depending on the underlying file system. Fixes: 359f392ca53e ("ovl: lookup index entry for copy up origin") Signed-off-by: Amir Goldstein Signed-off-by: Greg Kroah-Hartman --- fs/overlayfs/namei.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -507,6 +507,10 @@ static struct dentry *ovl_lookup_index(s index = lookup_one_len_unlocked(name.name, ofs->indexdir, name.len); if (IS_ERR(index)) { err = PTR_ERR(index); + if (err == -ENOENT) { + index = NULL; + goto out; + } pr_warn_ratelimited("overlayfs: failed inode index lookup (ino=%lu, key=%*s, err=%i);\n" "overlayfs: mount with '-o index=off' to disable inodes index.\n", d_inode(origin)->i_ino, name.len, name.name, Patches currently in stable-queue which might be from amir73il@gmail.com are queue-4.13/ovl-handle-enoent-on-index-lookup.patch queue-4.13/ovl-fix-eio-from-lookup-of-non-indexed-upper.patch queue-4.13/ovl-do-not-cleanup-unsupported-index-entries.patch