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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,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 581D9C47082 for ; Mon, 31 May 2021 08:31:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36AEA611EE for ; Mon, 31 May 2021 08:31:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230419AbhEaIct (ORCPT ); Mon, 31 May 2021 04:32:49 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]:55507 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230070AbhEaIcs (ORCPT ); Mon, 31 May 2021 04:32:48 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-198-CoR4ZBysM4G8M_zYvNcdaQ-1; Mon, 31 May 2021 09:31:01 +0100 X-MC-Unique: CoR4ZBysM4G8M_zYvNcdaQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 31 May 2021 09:30:58 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.015; Mon, 31 May 2021 09:30:58 +0100 From: David Laight To: 'Cong Wang' , Changbin Du CC: "David S. Miller" , Jakub Kici nski , Linux Kernel Network Developers , LKML , stable Subject: RE: [PATCH] net: fix oops in socket ioctl cmd SIOCGSKNS when NET_NS is disabled Thread-Topic: [PATCH] net: fix oops in socket ioctl cmd SIOCGSKNS when NET_NS is disabled Thread-Index: AQHXVL71XtaXo5XAQUOXarFFVJFJfar9RGXg Date: Mon, 31 May 2021 08:30:58 +0000 Message-ID: <55effe20acc54ea4a96ea86015d99a5b@AcuMS.aculab.com> References: <20210529060526.422987-1-changbin.du@gmail.com> In-Reply-To: Accept-Language: en-GB, 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 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RnJvbTogQ29uZyBXYW5nDQo+IFNlbnQ6IDI5IE1heSAyMDIxIDIwOjE1DQo+IA0KPiBPbiBGcmks IE1heSAyOCwgMjAyMSBhdCAxMTowOCBQTSBDaGFuZ2JpbiBEdSA8Y2hhbmdiaW4uZHVAZ21haWwu Y29tPiB3cm90ZToNCj4gPiBkaWZmIC0tZ2l0IGEvbmV0L3NvY2tldC5jIGIvbmV0L3NvY2tldC5j DQo+ID4gaW5kZXggMjdlM2U3ZDUzZjhlLi42NDRiNDYxMTJkMzUgMTAwNjQ0DQo+ID4gLS0tIGEv bmV0L3NvY2tldC5jDQo+ID4gKysrIGIvbmV0L3NvY2tldC5jDQo+ID4gQEAgLTExNDksMTEgKzEx NDksMTUgQEAgc3RhdGljIGxvbmcgc29ja19pb2N0bChzdHJ1Y3QgZmlsZSAqZmlsZSwgdW5zaWdu ZWQgY21kLCB1bnNpZ25lZCBsb25nIGFyZykNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICBt dXRleF91bmxvY2soJnZsYW5faW9jdGxfbXV0ZXgpOw0KPiA+ICAgICAgICAgICAgICAgICAgICAg ICAgIGJyZWFrOw0KPiA+ICAgICAgICAgICAgICAgICBjYXNlIFNJT0NHU0tOUzoNCj4gPiArI2lm ZGVmIENPTkZJR19ORVRfTlMNCj4gPiAgICAgICAgICAgICAgICAgICAgICAgICBlcnIgPSAtRVBF Uk07DQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgaWYgKCFuc19jYXBhYmxlKG5ldC0+dXNl cl9ucywgQ0FQX05FVF9BRE1JTikpDQo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICBicmVhazsNCj4gPg0KPiA+ICAgICAgICAgICAgICAgICAgICAgICAgIGVyciA9IG9wZW5fcmVs YXRlZF9ucygmbmV0LT5ucywgZ2V0X25ldF9ucyk7DQo+ID4gKyNlbHNlDQo+ID4gKyAgICAgICAg ICAgICAgICAgICAgICAgZXJyID0gLUVOT1RTVVBQOw0KPiA+ICsjZW5kaWYNCj4gDQo+IEkgd29u ZGVyIGlmIGl0IGlzIGVhc2llciBpZiB3ZSBqdXN0IHJlamVjdCBucy0+b3BzPT1OVUxMIGNhc2UN Cj4gaW4gb3Blbl9yZWxhdGVkX25zKCkuIEZvciAxKSB3ZSBjYW4gc2F2ZSBhbiB1Z2x5ICNpZmRl ZiBoZXJlOw0KPiAyKSBkcml2ZXJzL25ldC90dW4uYyBoYXMgdGhlIHNhbWUgYnVncy4NCg0KSWYg Q09ORklHX05FVF9OUyBpcyB1bnNldCB0aGVuIHdoeSBub3QgbWFrZSBib3RoIG5zX2NhcGFibGUo KQ0KYW5kIG9wZW5fcmVsYXRlZF9ucygpIHVuY29uZGl0aW9uYWxseSByZXR1cm4gLUVOT1RTVVBQ Pw0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFtbGV5IFJv YWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3RyYXRpb24g Tm86IDEzOTczODYgKFdhbGVzKQ0K