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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 C99A9C433ED for ; Thu, 1 Apr 2021 18:22:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B5AD601FC for ; Thu, 1 Apr 2021 18:22:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235335AbhDASWY (ORCPT ); Thu, 1 Apr 2021 14:22:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234604AbhDASDJ (ORCPT ); Thu, 1 Apr 2021 14:03:09 -0400 Received: from mail-io1-xd48.google.com (mail-io1-xd48.google.com [IPv6:2607:f8b0:4864:20::d48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A871BC05BD1D for ; Thu, 1 Apr 2021 06:00:41 -0700 (PDT) Received: by mail-io1-xd48.google.com with SMTP id t25so3911277iog.14 for ; Thu, 01 Apr 2021 06:00:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=jQVQMiS1LEWH5WtHi83sZSFNvCzxIq0JJNYo0pCyIds=; b=ACiicDbRosMziuDG+lV6UqKQLCnMIdm7l45Zc08xeaoBCnHIkssUpei2GCe2G2T9rx Yem6pJUb1WVyQ4rFBiZMjAZCBjWp19bOoG8bu0yAoKFOpvSYOshmrzr12oxicNYeSlHf bAnHpmDQ/dwLpYYLwOFdx1EdNorH54GD3qvVgzIC2r61mssjGCCLmXomFFjZ6CESa8cC sSNdsZTA9xtnC/ksEo1gNSE6V7N44ULaB2KsNCwKbv52tnYGShsIwfRwqPDiK6eHbTWz fC2nJzhbPhErKbMoC9SV5LCFv2WhqR8nunpbagl7ZtE2cIkGxvxc9OxQQ9FjMMsH1fxX VTgA== X-Gm-Message-State: AOAM530EeTANEOWPjuLdMjhk7gEpRNd4Ws7hRNz2iob3M8PSI4h1Gbjj jKHUQ5LxcOoYa1/SGs9OGwQlhr7TwRdQJw9xyg3/C2FVjk+o X-Google-Smtp-Source: ABdhPJwmxPi+IqOqqtvOaUuRwBvbO+Ll6B4LsWsA1DP5XCim1o0fOyk+c3GiRfbw6RMMWfUWK190yHSmAtKCH+A6sc01ISQtwEWH MIME-Version: 1.0 X-Received: by 2002:a5e:841a:: with SMTP id h26mr6461960ioj.179.1617279363658; Thu, 01 Apr 2021 05:16:03 -0700 (PDT) Date: Thu, 01 Apr 2021 05:16:03 -0700 In-Reply-To: <0000000000003a565e05bee596f2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f9391c05bee831ad@google.com> Subject: Re: [syzbot] WARNING in mntput_no_expire (2) From: syzbot To: 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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