Received: by 2002:a05:6358:c692:b0:131:369:b2a3 with SMTP id fe18csp5133372rwb; Mon, 31 Jul 2023 19:20:47 -0700 (PDT) X-Google-Smtp-Source: APBJJlFIK7m/m8XWNzlV5ZzbHvgbVStdDxeStfROZO0+c5snTO7snrGwg6e4LzMHPvrq7OKBtJSW X-Received: by 2002:a2e:3307:0:b0:2b6:9f1e:12bf with SMTP id d7-20020a2e3307000000b002b69f1e12bfmr1211521ljc.1.1690856447445; Mon, 31 Jul 2023 19:20:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690856447; cv=none; d=google.com; s=arc-20160816; b=a6DTMuxEcsth0wSRs8MPo1QQRVObiBrYnXm7n1F90N463mAzIlJkqn+pkTaTdR+ped HrMKP7OH0uiHH4nrGeS7Xo3gGZx/UytKSSk8d+8W40HAKcTsPCq10bqNeq+tbtzff3+v TEbco+7ce+0CtwoZaV/rw5HUOt+dYfduTS0baUyz33m5RXdkswTgh7423yWbYf/AbWjo HKf63K0J6ZVDwF5trmGSwYqN7FvyC4PRqgLmm2hrnpQpdLEACFngzR4S9Ai8s1rWTi1c b5IM/QkxoCKok2repZs9ekHZQB+jKDUZQGBWaiy8XRpAXn3isdeDE1UvPpqUqcmkzOEt SXpQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:mime-version :content-transfer-encoding:references:in-reply-to:subject:cc:to:from :date; bh=Mdz4MnP5okSTIyNzI66ub6SSfFRkS54bCZ+mrv5hxLo=; fh=boyCsxblemXemo5nJ9EuoigqNls22lupYCxjJ88itMQ=; b=OOlubRvXKL9AyvA1N4FJCQFHsHinkr8arQVyqa86XMwXvPsP7jW0e5YCfxep0RI+8h P0oqdKLdPIfOwAn0Bk8RQDjUIcy6TXX9SI5hyvoVIB2yimtX6/SMNJFDdgODhYO+AsQO G3N3mwNpipqPW29pPJIovZKosiayos/sOb8QLg9BMewzVBVDtVt7o/qk7izYYaelnRcv 8toH0Jk7e5TrXqIRnEyT6jGJURh13dHMGOwyvcaebhOcnZ1pPf8IE3/EW3VBy9BKRsnc o7AJpa5758iW+AWoSaCXLBhXTJht1VIHIPMq+vcdrJNCYQ0ipN4uwjUPAbvKAN/kWh8j v8kQ== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id pg13-20020a170907204d00b0098e0a14c670si3227060ejb.619.2023.07.31.19.20.23; Mon, 31 Jul 2023 19:20:47 -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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232009AbjHACAt (ORCPT + 99 others); Mon, 31 Jul 2023 22:00:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232017AbjHACAq (ORCPT ); Mon, 31 Jul 2023 22:00:46 -0400 Received: from zg8tmtyylji0my4xnjqumte4.icoremail.net (zg8tmtyylji0my4xnjqumte4.icoremail.net [162.243.164.118]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 76A7C1BE2; Mon, 31 Jul 2023 19:00:41 -0700 (PDT) Received: from linma$zju.edu.cn ( [42.120.103.60] ) by ajax-webmail-mail-app4 (Coremail) ; Tue, 1 Aug 2023 10:00:01 +0800 (GMT+08:00) X-Originating-IP: [42.120.103.60] Date: Tue, 1 Aug 2023 10:00:01 +0800 (GMT+08:00) X-CM-HeaderCharset: UTF-8 From: "Lin Ma" To: "Jakub Kicinski" Cc: davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, fw@strlen.de, yang.lee@linux.alibaba.com, jgg@ziepe.ca, markzhang@nvidia.com, phaddad@nvidia.com, yuancan@huawei.com, ohartoov@nvidia.com, chenzhongjin@huawei.com, aharonl@nvidia.com, leon@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH net v1 1/2] netlink: let len field used to parse type-not-care nested attrs X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20220622(41e5976f) Copyright (c) 2002-2023 www.mailtech.cn mispb-4df6dc2c-e274-4d1c-b502-72c5c3dfa9ce-zj.edu.cn In-Reply-To: <20230731120326.6bdd5bf9@kernel.org> References: <20230731121247.3972783-1-linma@zju.edu.cn> <20230731120326.6bdd5bf9@kernel.org> Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 MIME-Version: 1.0 Message-ID: <38179c76.f308d.189aed2db99.Coremail.linma@zju.edu.cn> X-Coremail-Locale: zh_CN X-CM-TRANSID: cS_KCgBHTQoiZ8hkSOJqCg--.61766W X-CM-SenderInfo: qtrwiiyqvtljo62m3hxhgxhubq/1tbiAwUOEmTIYfoAqwAAsG X-Coremail-Antispam: 1Ur529EdanIXcx71UUUUU7IcSsGvfJ3iIAIbVAYjsxI4VWxJw CS07vEb4IE77IF4wCS07vE1I0E4x80FVAKz4kxMIAIbVAFxVCaYxvI4VCIwcAKzIAtYxBI daVFxhVjvjDU= X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham 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 SGVsbG8gSmFrdWIsCgo+ID4gCj4gPiBIb3dldmVyLCB0aGlzIGlzIHRlZGlvdXMgYW5kIGp1c3Qg bGlrZSBMZW9uIHNhaWQ6IGFkZCBhbm90aGVyIGxheWVyIG9mCj4gPiBjYWJhbCBrbm93bGVkZ2Uu IFRoZSBiZXR0ZXIgc29sdXRpb24gc2hvdWxkIGxldmVyYWdlIHRoZSBubGFfcG9saWN5IGFuZAo+ ID4gZGlzY2FyZCBubGF0dHIgd2hvc2UgbGVuZ3RoIGlzIGludmFsaWQgd2hlbiBkb2luZyBwYXJz aW5nLiBUaGF0IGlzLCB3ZQo+ID4gc2hvdWxkIGRlZmluZWQgYSBuZXN0ZWRfcG9saWN5IGZvciB0 aGUgWCBhYm92ZSBsaWtlCj4gCj4gSGFyZCBuby4gUHV0dGluZyBhcnJheSBpbmRleCBpbnRvIGF0 dHIgdHlwZSBpcyBhbiBhZHZhbmNlZCBjYXNlIGFuZCB0aGUKPiBwYXJzaW5nIGNvZGUgaGFzIHRv IGJlIGFibGUgdG8gZGVhbCB3aXRoIGxvdyBsZXZlbCBuZXRsaW5rIGRldGFpbHMuCgpXZWxsLCBJ IGp1c3Qga25vd24gdGhhdCB0aGUgdHlwZSBmaWVsZCBmb3IgdGhvc2UgYXR0cmlidXRlcyBpcyB1 c2VkIGFzIGFycmF5CmluZGV4LgpIZW5jZSwgZm9yIHRoaXMgYWR2YW5jZWQgY2FzZSwgY291bGQg d2UgZGVmaW5lIGFub3RoZXIgTkxBIHR5cGUsIG1heWJlIApOTEFfTkVTVEVEX0lEWEFSUkFZIGVu dW0/IFRoYXQgbWF5IGJlIG11Y2ggY2xlYXJlciBhZ2FpbnN0IG1vZGlmeWluZyBleGlzdGluZwpj b2RlLgoKPiBIaWdoZXIgbGV2ZWwgQVBJIHNob3VsZCByZW1vdmUgdGhlIG5sYV9mb3JfZWFjaF9u ZXN0ZWQoKSBjb21wbGV0ZWx5Cj4gd2hpY2ggaXMgcmF0aGVyIGhhcmQgdG8gYWNoaWV2ZSBoZXJl LgoKQnkgaW52ZXN0aWdhdGluZyB0aGUgY29kZSB1c2VzIG5sYV9mb3JfZWFjaF9uZXN0ZWQgbWFj cm8uIFRoZXJlIGFyZSBiYXNpY2FsbHkKdHdvIHNjZW5hcmlvczoKCjEuIG1hbnVhbGx5IHBhcnNl IG5lc3RlZCBhdHRyaWJ1dGVzIHdob3NlIHR5cGUgaXMgbm90IGNhcmVkICh0aGUgYWR2YW5jZSBj YXNlCiAgIHVzZSB0eXBlIGFzIGluZGV4IGhlcmUpLgoyLiBtYW51YWxseSBwYXJzZSBuZXN0ZWQg YXR0cmlidXRlcyBmb3IgKm9uZSogc3BlY2lmaWMgdHlwZS4gU3VjaCBjb2RlIGRvCiAgIG5sYV90 eXBlIGNoZWNrLgoKRnJvbSB0aGUgQVBJIHNpZGUsIHRvIGNvbXBsZXRlbHkgcmVtb3ZlIG5sYV9m b3JfZWFjaF9uZXN0ZWQgYW5kIGF2b2lkIHRoZQptYW51YWwgIHBhcnNpbmcuIEkgdGhpbmsgd2Ug Y2FuIGNob29zZSB0d28gc29sdXRpb25zLgoKU29sdXRpb24tMTogYWRkIGEgcGFyc2luZyBoZWxw ZXIgdGhhdCByZWNlaXZlcyBhIGZ1bmN0aW9uIHBvaW50ZXIgYXMgYW4KICAgICAgICAgICAgYXJn dW1lbnQsIGl0IHdpbGwgY2FsbCB0aGlzIHBvaW50ZXIgYWZ0ZXIgY2FyZWZ1bGx5IHZlcmlmeSB0 aGUKICAgICAgICAgICAgdHlwZSBhbmQgbGVuZ3RoIG9mIGFuIGF0dHJpYnV0ZS4KClNvbHV0aW9u LTI6IGFkZCBhIHBhcnNpbmcgaGVscGVyIHRoYXQgdHJhdmVyc2VzIHRoaXMgbmVzdGVkIHR3aWNl LCB0aGUgZmlyc3QKICAgICAgICAgICAgdGltZSAgdG8gZG8gY291bnRpbmcgc2l6ZSBmb3IgYWxs b2NhdGluZyBoZWFwIGJ1ZmZlciAob3Igc3RhY2sKICAgICAgICAgICAgYnVmZmVyIGZyb20gdGhl IGNhbGxlciBpZiB0aGUgbWF4IGNvdW50IGlzIGtub3duKS4gVGhlIHNlY29uZAogICAgICAgICAg ICB0aW1lIHRvIGZpbGwgdGhpcyBidWZmZXIgd2l0aCBhdHRyaWJ1dGUgcG9pbnRlcnMuCgpXaGlj aCBvbmUgaXMgcHJlZmVycmVkPyBQbGVhc2UgZW5saWdodGVuIG1lIGFib3V0IHRoaXMgYW5kIEkg Y2FuIHRyeSB0byBwcm9wb3NlCmEgZml4LiAoSSBwZXJzb25hbGx5IGxpa2UgdGhlIHNvbHV0aW9u LTIgYXMgaXQgd29ya3MgbGlrZSB0aGUgZXhpc3RpbmcgcGFyc2VycwpsaWtlIG5sYV9wYXJzZSkg Cgo+IAo+IE5hY2tlZC1ieTogSmFrdWIgS2ljaW5za2kgPGt1YmFAa2VybmVsLm9yZz4KClRoYW5r cwpMaW4=