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 7E5E2C433E1 for ; Sun, 16 Aug 2020 02:19:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5ACFA20675 for ; Sun, 16 Aug 2020 02:19:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729900AbgHPCSn (ORCPT ); Sat, 15 Aug 2020 22:18:43 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:3129 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726926AbgHPCSn (ORCPT ); Sat, 15 Aug 2020 22:18:43 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 028F7DC27C6FD4B9E471; Sat, 15 Aug 2020 10:18:10 +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; Sat, 15 Aug 2020 10:18:09 +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; Sat, 15 Aug 2020 10:18:09 +0800 From: linmiaohe To: Eric Dumazet CC: Willem de Bruijn , David Miller , Paolo Abeni , Florian Westphal , Pablo Neira Ayuso , Steffen Klassert , "Jason A. Donenfeld" , "rdunlap@infradead.org" , "decui@microsoft.com" , Jakub Sitnicki , "jeremy@azazel.net" , "mashirle@us.ibm.com" , linux-kernel Subject: Re: [PATCH 1/5] net: Fix potential deadloop in skb_copy_ubufs() Thread-Topic: [PATCH 1/5] net: Fix potential deadloop in skb_copy_ubufs() Thread-Index: AdZyqSQrc7cmKqN7TBW6GVt2+y7YJA== Date: Sat, 15 Aug 2020 02:18:09 +0000 Message-ID: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.176.252] 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 RXJpYyBEdW1hemV0IDxlZHVtYXpldEBnb29nbGUuY29tPiB3cm90ZToNCj5PbiBGcmksIEF1ZyAx NCwgMjAyMCBhdCAxMjoxNCBBTSBsaW5taWFvaGUgPGxpbm1pYW9oZUBodWF3ZWkuY29tPiB3cm90 ZToNCj4+DQo+PiBXaWxsZW0gZGUgQnJ1aWpuIDx3aWxsZW1kZWJydWlqbi5rZXJuZWxAZ21haWwu Y29tPiB3cm90ZToNCj4+DQo+PiBTaW5jZSB3ZSBhbHdheXMgY2FsbCBza2Jfb3JwaGFuX2ZyYWdz IGluIHNrYl9jbG9uZSwgaXMgaXQgdW5uZWNlc3NhcnkgdG8gY2FsbCBza2Jfb3JwaGFuX2ZyYWdz IGluIHBza2JfZXhwYW5kX2hlYWQgd2hlbiBza2IgaXMgY2xvbmVkID8NCj4NCj5QbGVhc2UgZ2l2 ZSB1cyBhIHJlYWwgY2FzZS4NCj4NCj5JIGZlYXIgdGhhdCB5b3VyIHBhdGNoZXMgYXJlIGNvbWlu ZyBkaXJlY3RseSBmcm9tIHNvbWUga2luZCBvZiBhdXRvbWF0ZWQgdG9vbCwgdGhhdCByZWFsbHkg bWlzc2VzIGhvdyB0aGUgY29kZSBpcyByZWFsbHkgdXNlZCBmcm9tIF9jdXJyZW50XyBjb2RlIGJh c2UsIG5vdCBfaHlwb3RoZXRpY2FsXyBvbmUuDQo+DQo+VGhpcyBpcyB2ZXJ5IHRpbWUgY29uc3Vt aW5nLiBQbGVhc2UgcHJvdmlkZSBldmlkZW5jZSBmaXJzdC4NCj4NCj5UaGFuayB5b3UuDQoNCkkn YW0gc29ycnkgYWJvdXQgaXQuIEkgZG8gdGhpcyBtYWlubHkgdGhyb3VnaCBjb2RlIHJldmlldyBh bmQgZG8gc29tZSB0ZXN0IGNvZGUuIFNvIHRoZSBwcm9ibGVtIGNvZGVwYXRoIG1heSBub3QgZXhp c3QgZnJvbSBjdXJyZW50IGNvZGUgYmFzZSwgYnV0IG1heQ0KaGFwcGVuIHdoZW4gd2UgZG8gbm90 IHRha2UgY2FyZSBvZiBpdCBpbiB0aGUgZnV0dXJlIHVzZS4gV2UgbWF5IGZvcmdldCBzYW1lIGFz c3VtcHRpb24uIEFuZCBtYWtlIHRoZXNlIGFzc3VtcHRpb25zIGNsZWFyIHNlZW1zIG5vdCBhIGJh ZCB0aGluZy4NCkJ1dCBJJ2FtIGdvaW5nIHRvIGp1c3QgZHJvcCB0aGlzIHBhdGNoLiBJIGJlbGll dmUgeW91IGFsbCBjYW4gaGFuZGxlIHRoZSB0aGluZ3MgY29ycmVjdGx5Lg0KDQpNYW55IHRoYW5r cy4NCg0K