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 C97D0C2BBE2 for ; Sat, 7 Dec 2019 20:00:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A824C24673 for ; Sat, 7 Dec 2019 20:00:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726877AbfLGUAJ (ORCPT ); Sat, 7 Dec 2019 15:00:09 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:42846 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726555AbfLGUAI (ORCPT ); Sat, 7 Dec 2019 15:00:08 -0500 Received: from localhost (unknown [IPv6:2601:601:9f00:1c3::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 1E629153B510D; Sat, 7 Dec 2019 12:00:08 -0800 (PST) Date: Sat, 07 Dec 2019 12:00:07 -0800 (PST) Message-Id: <20191207.120007.1885129473331538826.davem@davemloft.net> To: sgarzare@redhat.com Cc: virtualization@lists.linux-foundation.org, stefanha@redhat.com, jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, mst@redhat.com Subject: Re: [PATCH] vhost/vsock: accept only packets with the right dst_cid From: David Miller In-Reply-To: <20191206143912.153583-1-sgarzare@redhat.com> References: <20191206143912.153583-1-sgarzare@redhat.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]); Sat, 07 Dec 2019 12:00:08 -0800 (PST) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Stefano Garzarella Date: Fri, 6 Dec 2019 15:39:12 +0100 > When we receive a new packet from the guest, we check if the > src_cid is correct, but we forgot to check the dst_cid. > > The host should accept only packets where dst_cid is > equal to the host CID. > > Signed-off-by: Stefano Garzarella Applied.