From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755436Ab2LMNEG (ORCPT ); Thu, 13 Dec 2012 08:04:06 -0500 Received: from kwak.cryptyx.com ([176.9.47.209]:33521 "EHLO kwak.cryptyx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754461Ab2LMNEE (ORCPT ); Thu, 13 Dec 2012 08:04:04 -0500 X-Greylist: delayed 440 seconds by postgrey-1.27 at vger.kernel.org; Thu, 13 Dec 2012 08:04:04 EST Message-ID: <50C9D085.3020305@junod.info> Date: Thu, 13 Dec 2012 13:56:37 +0100 From: Pascal Junod User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: pascal@junod.info Subject: [btrfs] is vulnerable to a hash-DoS attack X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello folk, The btrfs file system, part of the linux kernel, is vulnerable to a trivial hash-DoS attack. More details can be found here: http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/ Enjoy! Pascal Junod -- http://crypto.junod.info @cryptopathe