From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net ([212.18.0.10]:39509 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754890Ab3HIM0t (ORCPT ); Fri, 9 Aug 2013 08:26:49 -0400 From: Andreas Schwab To: Josef Bacik Cc: Thorsten Glaser , Joe Perches , Geert Uytterhoeven , Debian GNU/Linux m68k , , Linux Kernel Development Subject: Re: btrfs zero divide References: <20130730171329.GF24583@localhost.localdomain> <20130730204001.GG24583@localhost.localdomain> Date: Fri, 09 Aug 2013 14:26:36 +0200 In-Reply-To: <20130730204001.GG24583@localhost.localdomain> (Josef Bacik's message of "Tue, 30 Jul 2013 16:40:01 -0400") Message-ID: <87eha33v9f.fsf@igel.home> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-btrfs-owner@vger.kernel.org List-ID: Josef Bacik writes: > So stripe_len shouldn't be 0, if it is you have bigger problems :). The bigger problem is that stripe_nr is u64, this is completely bogus. The first operand of do_div must be u32. This goes through the whole file. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."