From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: [PATCH] ext4: check for zero length extent explicitly Date: Thu, 14 May 2015 19:02:20 -0400 Message-ID: <20150514230220.GC3901@thunk.org> References: <1430734468-31785-1-git-send-email-guaneryu@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-ext4@vger.kernel.org To: Eryu Guan Return-path: Received: from imap.thunk.org ([74.207.234.97]:37407 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422891AbbENXCV (ORCPT ); Thu, 14 May 2015 19:02:21 -0400 Content-Disposition: inline In-Reply-To: <1430734468-31785-1-git-send-email-guaneryu@gmail.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Mon, May 04, 2015 at 06:14:28PM +0800, Eryu Guan wrote: > The following commit introduced a bug when checking for zero length extent > > 5946d08 ext4: check for overlapping extents in ext4_valid_extent_entries() > > Zero length extent could pass the check if lblock is zero. > > Adding the explicit check for zero length back. > > Signed-off-by: Eryu Guan Thanks, applied. - Ted