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 40A92C3E8C5 for ; Sun, 29 Nov 2020 16:53:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7D04207FF for ; Sun, 29 Nov 2020 16:53:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728132AbgK2QxA (ORCPT ); Sun, 29 Nov 2020 11:53:00 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:54318 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725830AbgK2Qwz (ORCPT ); Sun, 29 Nov 2020 11:52:55 -0500 Received: by mail-io1-f72.google.com with SMTP id m3so5586678iok.21 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=L1y6tJLSkxXh9Kva+5KJxbCSqRdNxcyvw/HwPjqtPGbQRqPOfWzlCLJmIct4WO1Uqj r2wEloCNT3aE11se1yF9xc9apNvFdsmO2tdFmN7NT3wJCYXj6cmHYyTYRs8eHAy6aKpj jZTTOXlW+m4OQCP+/AbB33V2pEUHKx1YEldty3jz+vFeamJcSWh5nncgsT/96DUPYvZb fiN3hjN1GosQB7Aro1H9b3jOiCuOSyyWE4RiXLefqjktAYqRTqHkIMueaxFQHjvxTcGW zWqPCofS8LGRnuvqZq5DCvd2u0wxNYqAsKRCY65KUqYEeHt9zOLN1NvP95uDj8f1Ai9Q Abhw== X-Gm-Message-State: AOAM530f1GtSNlJArAON+56GOf/q+oSGIa6RgeM23fySZJ+n4gmdHoia KOKIHz/PNLMY48N8ukUE1hJMbTzAZOft8ubs1NkfMgoBhbkn 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-kernel@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