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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 012B3C352BE for ; Thu, 16 Apr 2020 11:42:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D478621D7F for ; Thu, 16 Apr 2020 11:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505827AbgDPLlz (ORCPT ); Thu, 16 Apr 2020 07:41:55 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:47335 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2633487AbgDPLlG (ORCPT ); Thu, 16 Apr 2020 07:41:06 -0400 Received: by mail-il1-f200.google.com with SMTP id a15so8579203ild.14 for ; Thu, 16 Apr 2020 04:41:04 -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=C9yW33QDEUiY5an82lDXKD3mLsUL223GO6Ib+tlyzoM=; b=fI+CMG2mWBFuf2N1FEmuoa3dVorNuRax+K7wql8iFVtDuVWT1ayD/pjBIoxJAZCUof 5PSGggn+DhrIpysvXuYGhtgzkVpNg5oVQ18nuzfSiD7IAk3xqXHACDEa6Q1CYrSNBEit +/iWsxfd7lN+z02XGUAYFr0LG4gvI7onk1ZxWS7fk2+aEUamo2GxOmFU9IEiMBxuu0o7 zW23mAf9Dgiq3fKmZMGy62HpU9l80I/8T7+gbuKsc7SnqHN5m+0hdP6pGFOmX/agXoa5 1eO9s8KimgkA1lc1eQpT8/lP6xxjDULH/4KfHkQTeQutpUtCveKZM4L5hAisz8jJFLIG 9Pig== X-Gm-Message-State: AGi0PuZRqpnTHvf/BCby5+5xKJ2E7ITs8XwlOrZX1hsm2Rr3HSMq00P5 l3ffQJj9GK7u4qNttIOYWB7pbup+Nmw+w5mwpgyn/+YvQpAj X-Google-Smtp-Source: APiQypLGCbfrNBXGAzTYguk/JReM3IFzhEiQP93KNzG3OtYg4VohI8tQeAUPLXVpEeM0uiK/1QFybXNi9nCvgC+u4R70td4JgNv0 MIME-Version: 1.0 X-Received: by 2002:a92:bad5:: with SMTP id t82mr2221201ill.171.1587037264592; Thu, 16 Apr 2020 04:41:04 -0700 (PDT) Date: Thu, 16 Apr 2020 04:41:04 -0700 In-Reply-To: <000000000000e15ee0058f5dfa81@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000066c5a605a366e88c@google.com> Subject: Re: WARNING in kernfs_new_node From: syzbot To: benh@kernel.crashing.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, longman@redhat.com, mingo@kernel.org, peterz@infradead.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 810507fe6fd5ff3de429121adff49523fabb643a Author: Waiman Long Date: Thu Feb 6 15:24:08 2020 +0000 locking/lockdep: Reuse freed chain_hlocks entries bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=177d726fe00000 start commit: 1e78030e Merge tag 'mmc-v5.3-rc1' of git://git.kernel.org/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e397351d2615e10 dashboard link: https://syzkaller.appspot.com/bug?extid=499aea72daa2cea73cb7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111d80fc600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d9060c600000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: locking/lockdep: Reuse freed chain_hlocks entries For information about bisection process see: https://goo.gl/tpsmEJ#bisection