From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vegard Nossum Subject: Re: ext4 endless "orphan list check failed!" spew/lockup Date: Tue, 1 Dec 2015 19:05:36 +0100 Message-ID: <565DE170.3060204@oracle.com> References: <565DCDFC.3010300@oracle.com> <565DD94E.60106@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org To: "Theodore Ts'o" , Andreas Dilger Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:40189 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755986AbbLASFn (ORCPT ); Tue, 1 Dec 2015 13:05:43 -0500 In-Reply-To: <565DD94E.60106@oracle.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 12/01/2015 06:30 PM, Vegard Nossum wrote: > On 12/01/2015 05:42 PM, Vegard Nossum wrote: >> Mounting the attached filesystem image (fuzzed) on latest linus/master >> causes an endless stream of the following output on the console: >> >> EXT4-fs (loop0): Inode 5 (ffff8800153ed720): orphan list check failed! > > Just wanted to add that on a kernel with linked list debugging I also > see an endless stream of the following warning, which could be related? > > WARNING: CPU: 0 PID: 924 at lib/list_debug.c:36 __list_add+0xf9/0x100() > list_add double add: new=00000000dfba0070, prev=00000000dffba970, > next=00000000dfba0070. > CPU: 0 PID: 924 Comm: mount.exe Tainted: G W 4.4.0-rc3 #1 > Stack: > df7f59b0 60075642 6071c3ae 00000009 > df7f5a30 600bc4fe df7f59c0 603f1e5f > df7f5a20 600412cd df7f59e0 6040d859 > Call Trace: > [<60029f9b>] show_stack+0xdb/0x1a0 > [<603f1e5f>] dump_stack+0x2a/0x3b > [<600412cd>] warn_slowpath_common+0x9d/0xf0 > [<600413f4>] warn_slowpath_fmt+0x94/0xa0 > [<6040d859>] __list_add+0xf9/0x100 > [<601b28d4>] ext4_fill_super+0x3e04/0x4040 This is fs/ext4/super.c:2269, ext4_orphan_cleanup(): list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan); Vegard