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 18F28C4332E for ; Sun, 22 Mar 2020 04:12:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D354620719 for ; Sun, 22 Mar 2020 04:12:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dpEJQIKP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726538AbgCVEMN (ORCPT ); Sun, 22 Mar 2020 00:12:13 -0400 Received: from mail-vk1-f194.google.com ([209.85.221.194]:39535 "EHLO mail-vk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725271AbgCVEMM (ORCPT ); Sun, 22 Mar 2020 00:12:12 -0400 Received: by mail-vk1-f194.google.com with SMTP id r129so2881773vkr.6; Sat, 21 Mar 2020 21:12:12 -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=SZhbSsWH3Nd28xNaH9H1iKoB8x/tihaQFiafijcYuWo=; b=dpEJQIKP7FWxh6J4Z1n90Vtb2qSU4QCUF6i/YKT2t7xjElB3L5Zp70CJNvV7s5wlqE z0HL8fqQsSztYtyU9ngFAo/b+XfJ7gUBv2NGeY9j6/UfBLSf6TGxuo5jinv5R0m8RlTC Ym+yvMLf59g0FfI6xVlZ6FNY4cpzxOvdd1EQUGwMF/MVjPwbwbhxNx6P5Xcr63h4kIV3 GT2PFZFhNQ3l3rAJTqd0tvXP8+BtD4SkP3zIQaE3KN7v2mn7SZwFf3cWL5167jq49o1o 4s3YCTvrQEk4Yu3wDXoqUstsfa49ODDj1ulNNiR3MFKu4QL1ESWZte75FCF07w5R9GSi jXFg== 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=SZhbSsWH3Nd28xNaH9H1iKoB8x/tihaQFiafijcYuWo=; b=rVZ2R7ybJRtuTINLzn40Ck3wrkcxbim1QRXR4GDBhazMUQbVfW1NbinoO4hS+vSfJ/ ffWrofkPBOgMl1LsV0b1GOqt3K0eCUFHFmf42Zp4WzsAWY/GwzooPykLPjXSUDEkQwwt bEvGENI6IzVbXHjOab5LAI3HJdw9QjKydvHKfqmOeA8cnmV2axGtilIkY+uy4Wx4hEfW ysAVIcETHBpG5AAZtTvClpwmw4fwr9FBI1SwDOzn+so2RbbwAuy0XN4vYW+B1O3jIjsP GGwWfunO6hhdxZB4Pt2f9CUcLVyz+09Mt+74kuNHWnpadmzZZckXGAi/yrjKScwYcSg3 KQqA== X-Gm-Message-State: ANhLgQ3aSNPizu2Kfa2WTMOWdmiQiVg/ebXjx7Gs0pdOUD2FfDi9MGsP UVUAiQ4g/EX+Sck2amwxxWNyb6ba9twP57euWRE= X-Google-Smtp-Source: ADFU+vsS91fN7bZOUZ7YiLvDMR/ru1lFo1M5djZemNARcBG+g71rMTCsKgNqksfgobUXwrvgRR3rujBIRAxxZVumqD8= X-Received: by 2002:ac5:c1ca:: with SMTP id g10mr11197264vkk.16.1584850331664; Sat, 21 Mar 2020 21:12:11 -0700 (PDT) MIME-Version: 1.0 References: <00000000000088452f05a07621d2@google.com> In-Reply-To: <00000000000088452f05a07621d2@google.com> From: Qiujun Huang Date: Sun, 22 Mar 2020 12:11:58 +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_for_each_tx_datachunk