From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 335BBC4332F for ; Sun, 9 Oct 2022 23:44:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232022AbiJIXol (ORCPT ); Sun, 9 Oct 2022 19:44:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35090 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232934AbiJIXoI (ORCPT ); Sun, 9 Oct 2022 19:44:08 -0400 Received: from mail104.syd.optusnet.com.au (mail104.syd.optusnet.com.au [211.29.132.246]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0287C13F60 for ; Sun, 9 Oct 2022 16:15:59 -0700 (PDT) Received: from dread.disaster.area (pa49-181-106-210.pa.nsw.optusnet.com.au [49.181.106.210]) by mail104.syd.optusnet.com.au (Postfix) with ESMTPS id 8B95B8AD9B3; Mon, 10 Oct 2022 09:47:36 +1100 (AEDT) Received: from dave by dread.disaster.area with local (Exim 4.92.3) (envelope-from ) id 1ohf55-0004mb-9t; Mon, 10 Oct 2022 09:47:35 +1100 Date: Mon, 10 Oct 2022 09:47:35 +1100 From: Dave Chinner To: bugzilla-daemon@kernel.org Cc: linux-xfs@vger.kernel.org Subject: Re: [Bug 216566] New: [xfstests generic/648] BUG: unable to handle page fault, RIP: 0010:__xfs_dir3_data_check+0x171/0x700 [xfs] Message-ID: <20221009224735.GS3600936@dread.disaster.area> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.4 cv=e9dl9Yl/ c=1 sm=1 tr=0 ts=63434f88 a=j6JUzzrSC7wlfFge/rmVbg==:117 a=j6JUzzrSC7wlfFge/rmVbg==:17 a=kj9zAlcOel0A:10 a=Qawa6l4ZSaYA:10 a=VwQbUJbxAAAA:8 a=20KFwNOVAAAA:8 a=7-415B0cAAAA:8 a=7s3L7G-p9EHrk6z53l8A:9 a=CjuIK1q_8ugA:10 a=AjGcO6oz07-iQ99wixmX:22 a=biEYGPWJfzWAr4FL6Ov7:22 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Sun, Oct 09, 2022 at 05:47:49PM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=216566 > > Bug ID: 216566 > Summary: [xfstests generic/648] BUG: unable to handle page > fault, RIP: 0010:__xfs_dir3_data_check+0x171/0x700 > [xfs] > Product: File System > Version: 2.5 > Kernel Version: v6.1-rc0 > Hardware: All > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: XFS > Assignee: filesystem_xfs@kernel-bugs.kernel.org > Reporter: zlang@redhat.com > Regression: No > > xfstests generic/648 hit kernel panic[1] on xfs with 64k directory block size > (-n size=65536), before panic, there's a kernel assertion (not sure if it's > related). > > It's reproducable, but not easy. Generally I reproduced it by loop running > generic/648 on xfs (-n size=65536) hundreds of time. > > The last time I hit this panic on linux with HEAD= Given that there have been no changes to XFS committed in v6.1-rc0 at this point in time, this won't be an XFS regression unless you can reproduce it on 6.0 or 5.19 kernels, too. Regardless, I'd suggest bisection is in order to find where the problem was introduced. -Dave. -- Dave Chinner david@fromorbit.com