From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: silent semantic changes with reiser4 Date: Tue, 24 Aug 2004 16:38:25 -0400 Sender: linux-fsdevel-owner@vger.kernel.org Message-ID: <412BA741.4060006@pobox.com> References: <20040824202521.GA26705@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: akpm@osdl.org, reiser@namesys.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:65191 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S268280AbUHXUig (ORCPT ); Tue, 24 Aug 2004 16:38:36 -0400 To: Christoph Hellwig In-Reply-To: <20040824202521.GA26705@lst.de> List-Id: linux-fsdevel.vger.kernel.org Christoph Hellwig wrote: > o files as directories > - O_DIRECTORY opens succeed on all files on reiser4. Besides breaking > .htaccess handling in apache and glibc compilation this also renders > this flag entirely useless and opens up the races it tries to > prevent against cmpletely useless Ouch. I would definitely classify this as a security hole, since userland definitely uses O_DIRECTORY to avoid races. Jeff