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[2620:137:e000::1:20]) by mx.google.com with ESMTP id nh16-20020a17090b365000b0021414ac5cc2si1195475pjb.131.2022.11.01.03.23.05; Tue, 01 Nov 2022 03:23:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 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 S230018AbiKAJ1R convert rfc822-to-8bit (ORCPT + 97 others); Tue, 1 Nov 2022 05:27:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230088AbiKAJ1N (ORCPT ); Tue, 1 Nov 2022 05:27:13 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A944418E39 for ; Tue, 1 Nov 2022 02:27:11 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-312-B-9HsrjzPcmqxY1XE4Mqwg-1; Tue, 01 Nov 2022 09:27:08 +0000 X-MC-Unique: B-9HsrjzPcmqxY1XE4Mqwg-1 Received: from AcuMS.Aculab.com (10.202.163.4) by AcuMS.aculab.com (10.202.163.4) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 1 Nov 2022 09:27:06 +0000 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.042; Tue, 1 Nov 2022 09:27:06 +0000 From: David Laight To: 'Rong Tao' CC: "andrii.nakryiko@gmail.com" , "andrii@kernel.org" , "ast@kernel.org" , "bpf@vger.kernel.org" , "daniel@iogearbox.net" , "haoluo@google.com" , "john.fastabend@gmail.com" , "jolsa@kernel.org" , "kpsingh@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "martin.lau@linux.dev" , "mykolal@fb.com" , "rongtao@cestc.cn" , "sdf@google.com" , "shuah@kernel.org" , "song@kernel.org" , "yhs@fb.com" Subject: RE: RE: [PATCH bpf-next] selftests/bpf: Fix strncpy() fortify warning Thread-Topic: RE: [PATCH bpf-next] selftests/bpf: Fix strncpy() fortify warning Thread-Index: AQHY60Mk36Wn0FfjTU6Muu9w9hWY+64lSbUwgASHdACAAABlkA== Date: Tue, 1 Nov 2022 09:27:06 +0000 Message-ID: <70ddf02157bc418cbc38230c87a7b228@AcuMS.aculab.com> References: <1611fe67d311461aa5f820836318bacc@AcuMS.aculab.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 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rong Tao > Sent: 01 November 2022 09:25 > > Can we just use the first patch? > https://lore.kernel.org/lkml/tencent_EE3E19F80ACD66955D26A878BC768CFA210A@qq.com/ IIRC strlcpy() does the copy you want. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)