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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A40AC001B3 for ; Thu, 1 Apr 2021 18:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2ED4A61002 for ; Thu, 1 Apr 2021 18:52:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240446AbhDASvm (ORCPT ); Thu, 1 Apr 2021 14:51:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:58568 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238674AbhDASfB (ORCPT ); Thu, 1 Apr 2021 14:35:01 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C895860FDA; Thu, 1 Apr 2021 18:32:57 +0000 (UTC) Date: Thu, 1 Apr 2021 20:32:54 +0200 From: Christian Brauner To: syzbot Cc: axboe@kernel.dk, chaitanya.kulkarni@wdc.com, damien.lemoal@wdc.com, hch@lst.de, johannes.thumshirn@edc.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Subject: Re: [syzbot] WARNING in mntput_no_expire (2) Message-ID: <20210401183254.yup76gxvxk7foc3c@wittgenstein> References: <0000000000003a565e05bee596f2@google.com> <000000000000f9391c05bee831ad@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <000000000000f9391c05bee831ad@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 01, 2021 at 05:16:03AM -0700, syzbot wrote: > syzbot has bisected this issue to: > > commit 73d90386b559d6f4c3c5db5e6bb1b68aae8fd3e7 > Author: Damien Le Moal > Date: Thu Jan 28 04:47:27 2021 +0000 > > nvme: cleanup zone information initialization > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1440e986d00000 > start commit: d19cc4bf Merge tag 'trace-v5.12-rc5' of git://git.kernel.o.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=1640e986d00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1240e986d00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d1a3d65a48dbd1bc > dashboard link: https://syzkaller.appspot.com/bug?extid=c88a7030da47945a3cc3 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f50d11d00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=137694a1d00000 > > Reported-by: syzbot+c88a7030da47945a3cc3@syzkaller.appspotmail.com > Fixes: 73d90386b559 ("nvme: cleanup zone information initialization") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection That seems like a bogus bisect. Please see the bisect I provided in the thread which seems more likely (Fyi, b4 mbox on the original thread should help to get at those messages.). Christian