Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754240Ab2FEQjU (ORCPT ); Tue, 5 Jun 2012 12:39:20 -0400 Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:41516 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752352Ab2FEQjS (ORCPT ); Tue, 5 Jun 2012 12:39:18 -0400 Message-ID: <4FCE3631.9020407@openvz.org> Date: Tue, 05 Jun 2012 20:39:13 +0400 From: Konstantin Khlebnikov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120517 Firefox/10.0.4 Iceape/2.7.4 MIME-Version: 1.0 To: OGAWA Hirofumi CC: Ondrej Zary , Hugh Dickins , Kernel development list , Dave Jones , Hans de Bruin , Linux NFS mailing list , Andrew Morton , =?ISO-8859-1?Q?Toralf_F=F6r?= =?ISO-8859-1?Q?ster?= , richard -rw- weinberger Subject: Re: [bisected commit 0fc9d10] NFS-server corruption with 3.4 References: <201206051116.17711.linux@rainbow-software.org> <4FCE0A83.4050502@openvz.org> <201206051620.47925.linux@rainbow-software.org> <4FCE1D17.1080904@openvz.org> <87zk8h23wn.fsf@devron.myhome.or.jp> <4FCE2256.7010804@openvz.org> <4FCE2CCE.9000900@openvz.org> <87pq9d20lx.fsf@devron.myhome.or.jp> In-Reply-To: <87pq9d20lx.fsf@devron.myhome.or.jp> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1050 Lines: 30 OGAWA Hirofumi wrote: > Konstantin Khlebnikov writes: > >> Proper fix in attachment. > > Maybe, you are going to add the stable tag for next stable? > > Thanks. Yes, this definitely must be in next stable 3.4.x , but first I'll wait for confirmation. Guys, who can reproduce this, please check patch "radix-tree: fix contiguous iterator" from my previous mail in this thread. > >> radix-tree: fix contiguous iterator >> >> From: Konstantin Khlebnikov >> >> This patch fixes bug in macro radix_tree_for_each_contig(). >> If radix_tree_next_slot() sees NULL in next slot it returns NULL, but following >> radix_tree_next_chunk() switches iterating into next chunk. As result iterating >> becomes non-contiguous and breaks vfs "splice" and all its users. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/