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[23.128.96.18]) by mx.google.com with ESMTP id by17si6959737edb.369.2020.06.26.10.20.30; Fri, 26 Jun 2020 10:20:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726730AbgFZQN4 (ORCPT + 99 others); Fri, 26 Jun 2020 12:13:56 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:46672 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgFZQN4 (ORCPT ); Fri, 26 Jun 2020 12:13:56 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-209-xCfHYBrVPvC4iNDOenTImw-1; Fri, 26 Jun 2020 17:13:52 +0100 X-MC-Unique: xCfHYBrVPvC4iNDOenTImw-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, 26 Jun 2020 17:13:51 +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, 26 Jun 2020 17:13:51 +0100 From: David Laight To: 'Xin Long' , Michael Tuexen CC: Marcelo Ricardo Leitner , "minyard@acm.org" , Vlad Yasevich , Neil Horman , "linux-sctp@vger.kernel.org" , LKML Subject: RE: Strange problem with SCTP+IPv6 Thread-Topic: Strange problem with SCTP+IPv6 Thread-Index: AQHWSUW2AOXwYZ/c30aD/cEnXBcaYKjrFNkw Date: Fri, 26 Jun 2020 16:13:51 +0000 Message-ID: <50b0a6ff186e408bbfe6211221cb3998@AcuMS.aculab.com> References: <20200621155604.GA23135@minyard.net> <20200622165759.GA3235@minyard.net> <4B68D06C-00F4-42C3-804A-B5531AABCE21@lurchi.franken.de> <20200622183253.GQ2491@localhost.localdomain> In-Reply-To: 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 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogWGluIExvbmcNCj4gU2VudDogMjMgSnVuZSAyMDIwIDExOjE0DQo+ID4gPiBJdCBsb29r cyBsaWtlIGEgYnVnIHRvIG1lLiBUZXN0aW5nIHdpdGggdGhpcyB0ZXN0IGFwcCBoZXJlLCBJIGNh biBzZWUNCj4gPiA+IHRoZSBJTklUX0FDSyBiZWluZyBzZW50IHdpdGggYSBidW5jaCBvZiBpcHY0 IGFkZHJlc3NlcyBpbiBpdCBhbmQNCj4gPiA+IHRoYXQncyB1bmV4cGVjdGVkIGZvciBhIHY2b25s eSBzb2NrZXQuIEFzIGlzLCBpdCdzIHRoZSBzZXJ2ZXIgc2F5aW5nDQo+ID4gPiAiSSdtIGF2YWls YWJsZSBhdCB0aGVzZSBvdGhlciBhZGRyZXNzZXMgdG9vLCBidXQgbm90LiINCj4gPiBJIGFncmVl Lg0KPiBUaGVuIHdlIG5lZWQgYSBmaXggaW4gc2N0cF9iaW5kX2FkZHJzX3RvX3JhdygpOg0KPiAN Cj4gQEAgLTIzOCw2ICsyNDAsOSBAQCB1bmlvbiBzY3RwX3BhcmFtcyBzY3RwX2JpbmRfYWRkcnNf dG9fcmF3KGNvbnN0DQo+IHN0cnVjdCBzY3RwX2JpbmRfYWRkciAqYnAsDQo+ICAgICAgICAgYWRk cnBhcm1zID0gcmV0dmFsOw0KPiANCj4gICAgICAgICBsaXN0X2Zvcl9lYWNoX2VudHJ5KGFkZHIs ICZicC0+YWRkcmVzc19saXN0LCBsaXN0KSB7DQo+ICsgICAgICAgICAgICAgICBpZiAoKFBGX0lO RVQ2ID09IHNrLT5za19mYW1pbHkpICYmIGluZXRfdjZfaXB2Nm9ubHkoc2spICYmDQo+ICsgICAg ICAgICAgICAgICAgICAgKEFGX0lORVQgPT0gYWRkci0+YS5zYS5zYV9mYW1pbHkpKQ0KPiArICAg ICAgICAgICAgICAgICAgICAgICBjb250aW51ZTsNCj4gICAgICAgICAgICAgICAgIGFmID0gc2N0 cF9nZXRfYWZfc3BlY2lmaWMoYWRkci0+YS52NC5zaW5fZmFtaWx5KTsNCj4gICAgICAgICAgICAg ICAgIGxlbiA9IGFmLT50b19hZGRyX3BhcmFtKCZhZGRyLT5hLCAmcmF3YWRkcik7DQo+ICAgICAg ICAgICAgICAgICBtZW1jcHkoYWRkcnBhcm1zLnYsICZyYXdhZGRyLCBsZW4pOw0KDQpUaG91Z2h0 Lg0KDQpEb2VzIGl0IG1ha2UgYW55IHNlbnNlIHRvIG9mZmVyIGFkZHJlc3NlcyBpbiB0aGUgSU5J VF9BQ0sgdGhhdCBkb24ndA0KaGF2ZSByb3V0ZXMgdG8gdGhvc2UgcHJvcG9zZWQgaW4gdGhlIHJl Y2VpdmVkIElOSVQ/DQoNCidyb3V0ZXMnIHByb2JhYmx5IGlzbid0IGV4YWN0bHkgdGhlIHJpZ2h0 IHdvcmQuDQpZb3UgcHJvYmFibHkgb25seSB3YW50IHRoZSBsb2NhbCBhZGRyZXNzIHRoYXQgd2ls bCBiZSB1c2VkDQphcyB0aGUgc291cmNlIGFkZHJlc3MgZm9yIHRoZSBwcm9iZXMuDQpPciwgYXQg bGVhc3QsIHNvdXJjZXMgYWRkcmVzc2VzIHRoYXQgY291bGQgYmUgdXNlZCBmb3IgdGhlIHByb2Jl cy4NCg0KU28gaWYgdGhlIElOSVQgb25seSBjb250YWlucyBJUHY2IGFkZHJlc3NlcyBzaG91bGQg dGhlIElOSVRfQUNLDQpldmVyIGNvbnRhaW4gSVB2NCBvbmVzLg0KDQoJRGF2aWQuDQoNCi0NClJl Z2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0 b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykN Cg==