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=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 88FB7C433B4 for ; Thu, 1 Apr 2021 18:24:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D0C76023C for ; Thu, 1 Apr 2021 18:24:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237945AbhDASXy (ORCPT ); Thu, 1 Apr 2021 14:23:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237043AbhDASNl (ORCPT ); Thu, 1 Apr 2021 14:13:41 -0400 Received: from mail-pf1-x445.google.com (mail-pf1-x445.google.com [IPv6:2607:f8b0:4864:20::445]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E7A4C05BD12 for ; Thu, 1 Apr 2021 05:54:33 -0700 (PDT) Received: by mail-pf1-x445.google.com with SMTP id g205so3330678pfb.15 for ; Thu, 01 Apr 2021 05:54:33 -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=VW/VbqkGqTTiSAhR3v0A0HhNagT3t2BS50Xb98zfYmtAIdh6+8dBbAQ6FSlTr2lxN4 R/seZlVuQ7/hbqgcad9ht9uglA0CzW8S8b8auMWEmSsV/6gULKhx9DRsP1Z7ts6t2abO Y9jIQQR9CngB4IrpuSEInp9F5YJ7NFLi3SDZNWXgwIiGJXKpiSnMwHxsW5zgiJtmkgBL bc4oyWxhxbyAtUHgOm8Dr/MvygBSMZ8uNFuFxhqnlpKGZNfDXOWVMbqOcTPMS5v9hK3d TH9QL8mCBkx8Wozb9W5kbaoy+OAxsQVJtMZ4JwdTEmnJdmNV7umf0e261qFciYZmUFnG /UCg== X-Gm-Message-State: AOAM533yUYaR6NY595yZAg8WkbPYpS6OH8Ihi9+xGqffj/DTnd4T/Oq+ FKJ8Vi4nvtz8FXN8ih5thQQWObZ9QRKufVOfM5pNZ69P/Sp0 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-fsdevel@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