From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263144AbTJEQJV (ORCPT ); Sun, 5 Oct 2003 12:09:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263148AbTJEQJV (ORCPT ); Sun, 5 Oct 2003 12:09:21 -0400 Received: from mail.g-housing.de ([62.75.136.201]:14467 "EHLO mail.g-house.de") by vger.kernel.org with ESMTP id S263144AbTJEQJU (ORCPT ); Sun, 5 Oct 2003 12:09:20 -0400 Message-ID: <3F804234.9070606@g-house.de> Date: Sun, 05 Oct 2003 18:09:24 +0200 From: Christian Kujau User-Agent: Mozilla/5.0 (X11; U; Linux i686; de-AT; rv:1.4) Gecko/20030930 Debian/1.4-5 X-Accept-Language: de-de, de, en-gb, en-us, en MIME-Version: 1.0 To: linux-kernel Subject: Re: reiserfs one user DoS? References: <20031004120625.GA41175@colocall.net> <3F7EF082.3020702@namesys.com> In-Reply-To: <3F7EF082.3020702@namesys.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hans Reiser schrieb: > Max A. Krasilnikov wrote: > >> Hi! >> I have found such strange thing: >> >> pseudo@avalon at 14:04:00 ~> dd if=/dev/zero of=file bs=1 count=0 >> seek=1000000000000 >> >> After that my Intel Celeron 800 MHz/384M RAM 60G/Seagate U6 under >> Linux-2.4.22-grsec on reiserfs was utilized 100% for more than 2 hours. >> dd process can't be killed. >> >> Is this my flow or real bug? >> >> >> > it is fixed in reiser4. linux has a lot of DOS vulerabilities to logged > in users, mostly due to the ability to consume all of some resource or > another. forgive me for not discussing them publicly.;-) perhaps "ulimit" could help here. man bash-builtins, search for "ulimit" then. Christian. -- BOFH excuse #153: Big to little endian conversion error