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=-5.0 required=3.0 tests=DATE_IN_PAST_12_24, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 70A9AC0044D for ; Sun, 15 Mar 2020 02:29:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33B31205C9 for ; Sun, 15 Mar 2020 02:29:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UtF1NsDX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727796AbgCOC36 (ORCPT ); Sat, 14 Mar 2020 22:29:58 -0400 Received: from mail-qv1-f68.google.com ([209.85.219.68]:34553 "EHLO mail-qv1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727519AbgCOC35 (ORCPT ); Sat, 14 Mar 2020 22:29:57 -0400 Received: by mail-qv1-f68.google.com with SMTP id o18so6928237qvf.1; Sat, 14 Mar 2020 19:29:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ZEEnUHwkZMDbVRFi/MzyKhwtIiz6HxIBrFlnIEc6RNU=; b=UtF1NsDXnHj+58UszKvNBbyAK47c838ncpsIkdFCBW1JmsCtG/hHuFT52R00vV/4vB 2LUJSnHt5bkbjBIeHkQ7ylDQMQtr3B7u2xmhxHBD9aYSsZtXN/LrDGRLfSK4P7WXJcar nBMyLw4xmX/JTb4DsZ128A2fz3hhIdx0ceTtpGmlRPsPOroVerSCgePvQNgIp0vjrSu1 /qX2OY1rm41zsUbGaUiNaYqZIeeKat+5KrtJFJkvmur5YBRnbvQnuk1b67Lt//p6isTw nMGqfpJ5Bc/tjuMDFsbmXDL7sOoKR+/s3IgQfkygtsqJ++a9aRhBnxkHvsye/ig6zo5h 0dyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ZEEnUHwkZMDbVRFi/MzyKhwtIiz6HxIBrFlnIEc6RNU=; b=MzqrtO4nhRRUMYTD9wds/pamtt064U5oOaUFZrOpOAKzPoLOelO/p7bLGSoIOKjAuy 0aztVcTKoDWNilwYuIx2vW5NW7W67O1xoGSTWXQBUyj4GfhPnJTFsTvd+8H9Wee7Xaku RSl0XBkhPBvNdHc+UVtM5ia9wABQuXrqy05iTXNBX/v5gB99t1CrZzxJZpIbgX3ekA44 Vz2APkSZJTwqAYZIXtNGbuRzcQfI3JKAu2zApoWOLzoBBZ2A9sHb5UuX0NZMadNBPRXx mxLyMR6hR9l0MVpr5Xi8kuXL/fVsd+mm3buwwuffg4h2cxaxKEaH4kgtjOLEyN/UWxYD Pj9w== X-Gm-Message-State: ANhLgQ3MrU4c+5vZA1W77aRcclnQtfi9b5ATzu65Rb2tot87MLjXZ/iu OzI4sIqBhyyaGLZqkL1FFfZjFMcGjiowA/QivDKiz+OdOdGYBw== X-Google-Smtp-Source: ADFU+vvsK8JvrXqPEXbA+j7zJUHM/6+ENQ1291U9h/aHYElOe7G36evoxnEgLffodJB2/XLtPIBp/qBsrOkSjmVlaCA= X-Received: by 2002:a67:3201:: with SMTP id y1mr12293028vsy.54.1584162630149; Fri, 13 Mar 2020 22:10:30 -0700 (PDT) MIME-Version: 1.0 References: <00000000000088452f05a07621d2@google.com> In-Reply-To: <00000000000088452f05a07621d2@google.com> From: Qiujun Huang Date: Sat, 14 Mar 2020 13:10:19 +0800 Message-ID: Subject: Re: WARNING: refcount bug in sctp_wfree To: syzbot Cc: davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.com 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 #syz test: https://github.com/hqj/hqjagain_test.git sctp_wfree