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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 2A7D2C2BB55 for ; Thu, 16 Apr 2020 16:20:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0457B20771 for ; Thu, 16 Apr 2020 16:20:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="TzxCiZg+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731335AbgDPQUh (ORCPT ); Thu, 16 Apr 2020 12:20:37 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:55927 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726362AbgDPQUd (ORCPT ); Thu, 16 Apr 2020 12:20:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587054033; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s4rkdFZCt+CYPzp3/Qg70/GCXwWzZ5opTjJmcpHVXJY=; b=TzxCiZg++1RNG9Kzqtv7aijYb8fto828VpPdoA09O7Ya8jOCL1KfhfoyCop+gh54HGDbwz j1KREuJLS1lDZc5o9Eo3t4s/Q31yFD+u1+QFkXwQDXis5uWPX/DWlOym7fR17nFNHQe6jJ TRtuVM6hhp62ns4cwJtjQCT31DVzZOY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-175-ahS35uOiO1aiRJMy7kongw-1; Thu, 16 Apr 2020 12:20:29 -0400 X-MC-Unique: ahS35uOiO1aiRJMy7kongw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 181ED8F297B; Thu, 16 Apr 2020 16:20:17 +0000 (UTC) Received: from llong.remote.csb (ovpn-117-72.rdu2.redhat.com [10.10.117.72]) by smtp.corp.redhat.com (Postfix) with ESMTP id D07AB6025E; Thu, 16 Apr 2020 16:20:14 +0000 (UTC) Subject: Re: WARNING in kernfs_new_node To: syzbot , benh@kernel.crashing.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, mingo@kernel.org, peterz@infradead.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org, torvalds@linux-foundation.org References: <00000000000066c5a605a366e88c@google.com> From: Waiman Long Organization: Red Hat Message-ID: Date: Thu, 16 Apr 2020 12:20:14 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <00000000000066c5a605a366e88c@google.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org #syz fix: locking/lockdep: Reuse freed chain_hlocks entries