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=-6.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 8C0BAC433E4 for ; Fri, 21 Aug 2020 07:41:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71B792078D for ; Fri, 21 Aug 2020 07:41:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728469AbgHUHlg convert rfc822-to-8bit (ORCPT ); Fri, 21 Aug 2020 03:41:36 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:58846 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728271AbgHUHlF (ORCPT ); Fri, 21 Aug 2020 03:41:05 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mtapsc-8-fn6uvl5FOH6NC0zfgMsnLQ-1; Fri, 21 Aug 2020 08:41:00 +0100 X-MC-Unique: fn6uvl5FOH6NC0zfgMsnLQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 21 Aug 2020 08:41:00 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Fri, 21 Aug 2020 08:41:00 +0100 From: David Laight To: 'David Miller' CC: "netdev@vger.kernel.org" , "linux-sctp@vger.kernel.org" , "marcelo.leitner@gmail.com" Subject: RE: [PATCH v2] net: sctp: Fix negotiation of the number of data streams. Thread-Topic: [PATCH v2] net: sctp: Fix negotiation of the number of data streams. Thread-Index: AdZ2Jpt5uFDQ+GlJS8asoZmPH8fG2QAD/p2wAEMD3AAAEu3KMA== Date: Fri, 21 Aug 2020 07:41:00 +0000 Message-ID: References: <3aef12f2fdbb4ee6b885719f5561a997@AcuMS.aculab.com> <1f2ffcb1180e4080aab114683b06efab@AcuMS.aculab.com> <20200820.163838.2031881871934638484.davem@davemloft.net> In-Reply-To: <20200820.163838.2031881871934638484.davem@davemloft.net> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: David Miller > Sent: 21 August 2020 00:39 > > > > > The number of output and input streams was never being reduced, eg when > > processing received INIT or INIT_ACK chunks. > > The effect is that DATA chunks can be sent with invalid stream ids > > and then discarded by the remote system. > > > > Fixes: 2075e50caf5ea ("sctp: convert to genradix") > > Signed-off-by: David Laight > > Applied and queued up for -stable, thanks David. Thank you. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)