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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 BDD7CC0044D for ; Tue, 17 Mar 2020 01:25:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92B2B2051A for ; Tue, 17 Mar 2020 01:25:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733186AbgCQBZM (ORCPT ); Mon, 16 Mar 2020 21:25:12 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:50588 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733114AbgCQBZL (ORCPT ); Mon, 16 Mar 2020 21:25:11 -0400 Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 232ED157A55C2; Mon, 16 Mar 2020 18:25:11 -0700 (PDT) Date: Mon, 16 Mar 2020 18:25:10 -0700 (PDT) Message-Id: <20200316.182510.943116149103375831.davem@davemloft.net> To: hqjagain@gmail.com Cc: vyasevich@gmail.com, nhorman@tuxdriver.com, marcelo.leitner@gmail.com, kuba@kernel.org, linux-sctp@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sctp: fix refcount bug in sctp_wfree From: David Miller In-Reply-To: <1584330804-18477-1-git-send-email-hqjagain@gmail.com> References: <1584330804-18477-1-git-send-email-hqjagain@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 16 Mar 2020 18:25:11 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qiujun Huang Date: Mon, 16 Mar 2020 11:53:24 +0800 > Do accounting for skb's real sk. > In some case skb->sk != asoc->base.sk. > > Reported-and-tested-by: syzbot+cea71eec5d6de256d54d@syzkaller.appspotmail.com > Signed-off-by: Qiujun Huang SCTP folks, please review.