From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42006 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932369AbdJ3J2U (ORCPT ); Mon, 30 Oct 2017 05:28:20 -0400 Subject: Patch "fuse: fix READDIRPLUS skipping an entry" has been added to the 3.18-stable tree To: mszeredi@redhat.com, gregkh@linuxfoundation.org, jakobunt@gmail.com, redneb@gmx.com Cc: , From: Date: Mon, 30 Oct 2017 10:28:29 +0100 Message-ID: <15093557091643@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 fuse: fix READDIRPLUS skipping an entry to the 3.18-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: fuse-fix-readdirplus-skipping-an-entry.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From c6cdd51404b7ac12dd95173ddfc548c59ecf037f Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 25 Oct 2017 16:34:27 +0200 Subject: fuse: fix READDIRPLUS skipping an entry From: Miklos Szeredi commit c6cdd51404b7ac12dd95173ddfc548c59ecf037f upstream. Marios Titas running a Haskell program noticed a problem with fuse's readdirplus: when it is interrupted by a signal, it skips one directory entry. The reason is that fuse erronously updates ctx->pos after a failed dir_emit(). The issue originates from the patch adding readdirplus support. Reported-by: Jakob Unterwurzacher Tested-by: Marios Titas Signed-off-by: Miklos Szeredi Fixes: 0b05b18381ee ("fuse: implement NFS-like readdirplus support") Signed-off-by: Greg Kroah-Hartman --- fs/fuse/dir.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1371,7 +1371,8 @@ static int parse_dirplusfile(char *buf, */ over = !dir_emit(ctx, dirent->name, dirent->namelen, dirent->ino, dirent->type); - ctx->pos = dirent->off; + if (!over) + ctx->pos = dirent->off; } buf += reclen; Patches currently in stable-queue which might be from mszeredi@redhat.com are queue-3.18/fuse-fix-readdirplus-skipping-an-entry.patch