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=-4.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 57301C433DF for ; Thu, 6 Aug 2020 20:11:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58767221E2 for ; Thu, 6 Aug 2020 20:11:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726418AbgHFULk (ORCPT ); Thu, 6 Aug 2020 16:11:40 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:3047 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726055AbgHFULj (ORCPT ); Thu, 6 Aug 2020 16:11:39 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id EA26DBEDFACB0CA11284; Thu, 6 Aug 2020 19:56:33 +0800 (CST) Received: from dggeme753-chm.china.huawei.com (10.3.19.99) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Thu, 6 Aug 2020 19:56:33 +0800 Received: from dggeme753-chm.china.huawei.com ([10.7.64.70]) by dggeme753-chm.china.huawei.com ([10.7.64.70]) with mapi id 15.01.1913.007; Thu, 6 Aug 2020 19:56:33 +0800 From: linmiaohe To: Eric Dumazet CC: David Miller , Jakub Kicinski , Pravin B Shelar , Florian Westphal , "martin.varghese@nokia.com" , Willem de Bruijn , Davide Caratti , Steffen Klassert , Paolo Abeni , "shmulik@metanetworks.com" , "kyk.segfault@gmail.com" , netdev , LKML Subject: Re: [PATCH] net: Fix potential out of bound write in skb_try_coalesce() Thread-Topic: [PATCH] net: Fix potential out of bound write in skb_try_coalesce() Thread-Index: AdZqy5NXuDxuQTg3SyGrTCdJ0BYmPg== Date: Thu, 6 Aug 2020 11:56:33 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.177.143] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RXJpYyBEdW1hemV0IDxlZHVtYXpldEBnb29nbGUuY29tPiB3cm90ZToNCj5PbiBUdWUsIEF1ZyA0 LCAyMDIwIGF0IDQ6NDYgQU0gbGlubWlhb2hlIDxsaW5taWFvaGVAaHVhd2VpLmNvbT4gd3JvdGU6 DQo+Pg0KPj4gRnJvbTogTWlhb2hlIExpbiA8bGlubWlhb2hlQGh1YXdlaS5jb20+DQo+Pg0KPj4g VGhlIGhlYWRfZnJhZyBvZiBza2Igd291bGQgb2NjdXB5IG9uZSBleHRyYSBza2JfZnJhZ190LiBU YWtlIGl0IGludG8gDQo+PiBhY2NvdW50IG9yIG91dCBvZiBib3VuZCB3cml0ZSB0byBza2IgZnJh Z3MgbWF5IGhhcHBlbi4NCj4+DQo+DQo+UGxlYXNlIHNoYXJlIGEgc3RhY2sgdHJhY2UgaWYgdGhp cyB3YXMgYSByZWFsIGJ1ZyBzcG90dGVkIGluIHRoZSB3aWxkLg0KPg0KPkkgZG8gbm90IGJlbGll dmUgdGhpcyBwYXRjaCBpcyBjb3JyZWN0Lg0KPg0KPmlmIChBICsgQiA+PSBNQVgpICAgaXMgZXF1 aXZhbGVudCB0byAgaWYgKEEgKyBCICsgMSA+IE1BWCkNCj4NCj5Ob3RlIGhvdyB0aGUgb3RoZXIg Y29uZGl0aW9uICh3aGVuIHRoZXJlIGlzIG5vIGJ5dGVzIGluIHNrYiBoZWFkZXIpIGlzIGNvZGVk IDoNCj4NCj5pZiAoQSArIEIgPiBNQVgpIHJldHVybiBmYWxzZTsNCj4NCj5JbiBhbnljYXNlLCBw bGVhc2UgYWx3YXlzIHByb3ZpZGUgYSBGaXhlczogdGFnIGZvciBhbnkgYnVnIGZpeC4NCj4NCj5U aGFua3MuDQoNCk1hbnkgdGhhbmtzIGZvciB5b3VyIHBhdGllbnQgZXhwbGFpbmF0aW9uLiBJIGNv bXBhcmVkIChBICsgQiA+PSBNQVgpIHdpdGggKEEgKyBCICsgMSA+IE1BWCkgaW4gc2tiX2dyb19y ZWNlaXZlKCksDQpidXQgSSBtaXNzZWQgdGhlICc9Jy4gSXQncyBteSBvdmVyc2lnaHQsIEknYW0g cmVhbGx5IHNvcnJ5IGFib3V0IGl0Lg0KDQpUaGFua3MgYWdhaW4uDQoNCg==