From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932570Ab3BZQr6 (ORCPT ); Tue, 26 Feb 2013 11:47:58 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:20485 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759552Ab3BZQr5 (ORCPT ); Tue, 26 Feb 2013 11:47:57 -0500 Message-ID: <512CE75A.5080203@oracle.com> Date: Tue, 26 Feb 2013 11:48:26 -0500 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130113 Thunderbird/17.0.2 MIME-Version: 1.0 To: Al Viro CC: linux-fsdevel@vger.kernel.org, "linux-kernel@vger.kernel.org" , Dave Jones Subject: fs: WARNING: at fs/dcache.c:2587 prepend_path Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, While fuzzing with trinity inside a KVM tools guest running latest -next, I've started seeing a bunch of these, which wasn't there in the -next from couple of days ago: [ 1169.020539] ------------[ cut here ]------------ [ 1169.021297] WARNING: at fs/dcache.c:2587 prepend_path+0x188/0x1f0() [ 1169.022903] Root dentry has weird name [ 1169.023967] Modules linked in: [ 1169.024479] Pid: 28818, comm: trinity Tainted: G W 3.8.0-next-20130225-sasha-00042-g8547837 #997 [ 1169.026771] Call Trace: [ 1169.027527] [] warn_slowpath_common+0x8c/0xc0 [ 1169.028442] [] warn_slowpath_fmt+0x41/0x50 [ 1169.029829] [] ? lg_local_lock+0x70/0x80 [ 1169.031038] [] ? prepend_path+0x3a/0x1f0 [ 1169.032783] [] prepend_path+0x188/0x1f0 [ 1169.034083] [] d_path+0x101/0x140 [ 1169.034946] [] seq_path+0x5e/0xd0 [ 1169.035804] [] show_map_vma+0x174/0x2b0 [ 1169.037065] [] show_map+0x2a/0x60 [ 1169.037790] [] show_pid_map+0xe/0x10 [ 1169.038902] [] seq_read+0x311/0x430 [ 1169.039944] [] vfs_read+0xb3/0x120 [ 1169.040934] [] ? trace_hardirqs_on+0xd/0x10 [ 1169.042842] [] sys_read+0x5d/0xa0 [ 1169.043696] [] tracesys+0xdd/0xe2 [ 1169.045019] ---[ end trace 6e68f4c39bb079ca ]--- Thanks, Sasha