Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753062AbbKZI0V (ORCPT ); Thu, 26 Nov 2015 03:26:21 -0500 Received: from mail.parknet.co.jp ([210.171.160.6]:54256 "EHLO mail.parknet.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752335AbbKZI0S (ORCPT ); Thu, 26 Nov 2015 03:26:18 -0500 From: OGAWA Hirofumi To: Vegard Nossum Cc: Richard Weinberger , LKML Subject: Re: WARNING: CPU: 0 PID: 913 at fs/inode.c:275 drop_nlink+0x4b/0x50() References: <5652C676.8040207@oracle.com> <5653916C.7060601@nod.at> <56541AE8.2070704@oracle.com> <87lh9l2190.fsf@mail.parknet.co.jp> <5656BEE8.4030001@oracle.com> Date: Thu, 26 Nov 2015 17:26:14 +0900 In-Reply-To: <5656BEE8.4030001@oracle.com> (Vegard Nossum's message of "Thu, 26 Nov 2015 09:12:24 +0100") Message-ID: <87two96uah.fsf@mail.parknet.co.jp> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1287 Lines: 40 Vegard Nossum writes: > On 11/25/2015 10:54 PM, OGAWA Hirofumi wrote: >> Vegard Nossum writes: >> >>> On 11/23/2015 11:21 PM, Richard Weinberger wrote: >>>> Am 23.11.2015 um 08:55 schrieb Vegard Nossum: >>>>> With the attached vfat disk image (fuzzed), I get the following WARNING: >>>>> >>>>> WARNING: CPU: 0 PID: 913 at fs/inode.c:275 drop_nlink+0x4b/0x50() > > [...] > >> >> Can you try this one? >> > > That seems to fix the problem here, thanks! > > The last potential issue I'm seeing (completely unrelated to your patch) > is this: > > [ 340.610000] VFS: Lookup of '1' in vfat loop0 would have caused loop > [ 354.360000] d_splice_alias: 1104 callbacks suppressed > [ 354.360000] VFS: Lookup of '1' in vfat loop0 would have caused loop > > Is that worth investigating closer? It looks like corruption detected with ratelimited printk (at vfs level. dir is hardlink of ancestor). IOW, it looks like intended behavior. Thanks. -- OGAWA Hirofumi -- 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/