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=-5.8 required=3.0 tests=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=unavailable 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 C8A8CC4CECE for ; Sun, 15 Mar 2020 07:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95C5A20722 for ; Sun, 15 Mar 2020 07:59:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZJpqU0Ya" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727805AbgCOH74 (ORCPT ); Sun, 15 Mar 2020 03:59:56 -0400 Received: from mail-vs1-f53.google.com ([209.85.217.53]:42087 "EHLO mail-vs1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727163AbgCOH7z (ORCPT ); Sun, 15 Mar 2020 03:59:55 -0400 Received: by mail-vs1-f53.google.com with SMTP id i25so9192607vsq.9; Sun, 15 Mar 2020 00:59:54 -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=oN4/KUQ8b4ahyaIikru+djpxL5XQQFIKZYbjC0vKpsU=; b=ZJpqU0YacLXt75ZJb6otm/x5pXGpsxQe52fa+/Ho7/a/XLPO9QCkPmxf0t2DFT9VaI IxHddILTsRA88mQ5EvKNhXmG747pT5L1hJKwxZuwRMx3IRjVhAX+bUI69L8dmJ4AXWmE 6Am1/0QqorhookML6Yn6nNljt80TOiK9B1pnS49GjM4NDy+W2WwbYCoN5bKdLEw8xikS SGFby3OGnM9JbJa2uUMKBFTVqFYaDRNSpu6UaRZ5dKP6x4e5GNMuP5Dz6fiSMVUPw//6 nboI4VNQYRma/rqik1hzVb0YxtI6/NewbWoUQyNltU1OqHGGSDBADPZxYsEzavnaEhUB ZndQ== 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=oN4/KUQ8b4ahyaIikru+djpxL5XQQFIKZYbjC0vKpsU=; b=fvtTtw2I+/lKtIti5qqccrjcYxvSvU5r/7xHlvNoWMOn7kgtjVYlCb5SldYX3Sz8dy hjLJBPqDqF5oVTVQUrkHMa2BijRjbYf8tWx9WRzodaoftMNbGikdGFpUsPJAU9vL2cMP pmPwPNEcjK/K4apRefCIot3gy9PCMkiFUhPhw3LJ0HDvJh4f7FvtDafgoFIvUl1Dy70+ 5RvAoLtvclyY447ByYsm5tQBIcVZYaNA96APDBT+Ssg+2McymBEzzC2W4tL22P3Grl/n 2jc95PB/+HvD5RC0jVKzwAGAhe7ft4qUC3YiQXNE7sOo47j7mMuNdsMejLtgQaZvfrgw pngg== X-Gm-Message-State: ANhLgQ39ms13KJ6EKxBpo4dNa+5GBUBGcKgARbfICJxv1Xixu+K54x2e ZXijWP3qXRMF/P9JVDIR0xocCs88Rw4KcxiZSsA= X-Google-Smtp-Source: ADFU+vuDN3k5UPA2Gh4K0jBtCB8/WfcDXhr26U/rtPdnGR6obi6LfAC8dBjYdTyDve8ClkHDcPaAU8SW8sPYVkVoTBA= X-Received: by 2002:a05:6102:2272:: with SMTP id v18mr13740542vsd.108.1584259194385; Sun, 15 Mar 2020 00:59:54 -0700 (PDT) MIME-Version: 1.0 References: <00000000000088452f05a07621d2@google.com> In-Reply-To: <00000000000088452f05a07621d2@google.com> From: Qiujun Huang Date: Sun, 15 Mar 2020 15:59:41 +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_refcount_bug