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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 BBE69C3E8C5 for ; Sun, 29 Nov 2020 16:53:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76B4120738 for ; Sun, 29 Nov 2020 16:53:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726470AbgK2Qwt (ORCPT ); Sun, 29 Nov 2020 11:52:49 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:34407 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725830AbgK2Qws (ORCPT ); Sun, 29 Nov 2020 11:52:48 -0500 Received: by mail-io1-f72.google.com with SMTP id q6so5659786iog.1 for ; Sun, 29 Nov 2020 08:52:33 -0800 (PST) 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=qMz6FQvC1fcPUihVEUOwnOdKwTMvJtCoQhjXTojuMcw=; b=KfUpL0d4h+fSogp/t9OaBI0BoWDYiEFN454bSfs3j9of24BdA8Yk86Wb0yxWQ0vlGn /zsXxI9L8JzF0PG91Yk6UbmMCXCYziTSNZe5HqSIgV+wmcvor/ErdIPvNbK4LcU9pVp3 s3UaaaIk62TRtmTNgsGDQVWKBapD4eDA2ujF3ZdyFLASnaxV4VuC9A9ktkibV3CkNgzW bIMgVLI5+qrOZ+SGqiLNWt0kQ8UbrJUazrIoCYpmbOpHsDrrfx0x7MwWymOlCaKGc22B tO5/suKCVdidiy4+EOeo/7UTj1VJa/cJXwUj8TfJUUr9EDviLy3VIdt05AFRWApPaw4o 1dPg== X-Gm-Message-State: AOAM533R8H/2BWQBen5E5cQhRTIDWhi1kaekB2nqu57qCUG8o//WsCIb kzgvAsj2oCTfZCObfzzTLP6++WZIfdlbZLVOID8lcV0Pa8Jx X-Google-Smtp-Source: ABdhPJzOzXWgVWYLzenNvr6XVYL/h1lDT6QXlmavbabLKcZKARtOR+kw7Q5p9pzxK7Fav9WuHQJW+8DYmCMwYWJtQ3Qkwd2uXdFO MIME-Version: 1.0 X-Received: by 2002:a05:6e02:e8e:: with SMTP id t14mr15320646ilj.207.1606668728344; Sun, 29 Nov 2020 08:52:08 -0800 (PST) Date: Sun, 29 Nov 2020 08:52:08 -0800 In-Reply-To: <0000000000007e15b505b530766d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d324e605b541b602@google.com> Subject: Re: WARNING in close_fs_devices (3) From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org syzbot has bisected this issue to: commit 4d004099a668c41522242aa146a38cc4eb59cb1e Author: Peter Zijlstra Date: Fri Oct 2 09:04:21 2020 +0000 lockdep: Fix lockdep recursion bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=178c99fd500000 start commit: 6174f052 Add linux-next specific files for 20201127 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=144c99fd500000 console output: https://syzkaller.appspot.com/x/log.txt?x=104c99fd500000 kernel config: https://syzkaller.appspot.com/x/.config?x=79c69cf2521bef9c dashboard link: https://syzkaller.appspot.com/bug?extid=a70e2ad0879f160b9217 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11727795500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1793dcc9500000 Reported-by: syzbot+a70e2ad0879f160b9217@syzkaller.appspotmail.com Fixes: 4d004099a668 ("lockdep: Fix lockdep recursion") For information about bisection process see: https://goo.gl/tpsmEJ#bisection