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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k10-20020a170902c40a00b0017a09cc694dsi17369372plk.561.2022.10.13.02.39.43; Thu, 13 Oct 2022 02:39:55 -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; dkim=pass header.i=@lmb.io header.s=fm2 header.b=496j8BpN; dkim=pass header.i=@messagingengine.com header.s=fm3 header.b=dbMuSmN4; 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 S229533AbiJMJhP (ORCPT + 99 others); Thu, 13 Oct 2022 05:37:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229454AbiJMJhM (ORCPT ); Thu, 13 Oct 2022 05:37:12 -0400 Received: from wout5-smtp.messagingengine.com (wout5-smtp.messagingengine.com [64.147.123.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 348841217F9; Thu, 13 Oct 2022 02:37:11 -0700 (PDT) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.west.internal (Postfix) with ESMTP id 0685F320070D; Thu, 13 Oct 2022 05:37:09 -0400 (EDT) Received: from imap49 ([10.202.2.99]) by compute5.internal (MEProxy); Thu, 13 Oct 2022 05:37:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lmb.io; h=cc:cc :content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to; s=fm2; t=1665653829; x=1665740229; bh=94gmUViEmx ZNAoGT1K6i8LMnLlUOVqZvX3qw2bZpGzY=; b=496j8BpNYVYjDufuizPiYKuK3u AFk7ktnw6wQnoDLEKjDkcNGmuWlWcDxewSLhGSSZLDFk8NErcPItc5YCF7qB0FyE tTRKyUDJcBK7Pg9aCrAH46wsvFSKpTXa8Qjv3C6B7m2IwaXSHkCEWSyN0ind1kn6 JB+LmF04WTczVcPEv+RpANhPLC48EMp10n9isEkyTJDukuDLSV02MSFQiUOS1j3Q zn/hUIb87RCiLyZA0pzZmjKqO9wA2QWMiM+ChflG0DXBcTE4DuLzByHoZTjJrBgq t9lwjeV5+urXcw4o6tDCIQHxYGgWcmwUov29VuddB8AsJ/M7DqesqiyqmD8A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; t=1665653829; x=1665740229; bh=94gmUViEmxZNAoGT1K6i8LMnLlUO VqZvX3qw2bZpGzY=; b=dbMuSmN402f2sHIAl0/VYJcMHc5fvNrMERwwxLxZdVpt wKPpp8t3x3pLpgae4oGgfs6XPtOcnw7KZAZFCeDAAL/65tzbTQDZLiiOPDZTSvKr Av+icqEeRXzzNfAmQpZtu9WzCeggc3BQvRGWcRtIcPBWTPgHWJd5nH7ehdoaWs06 XhKZumqXSQaSeabp7JWpCCkuxnW8tzwk8Lo+WjWGa+kmD7cXU4+yyE8bmh1J2gQW M0GbdXXnlRqPcRHb2Q3EZ7D8YhNtClTn+KPx4KCnYDCv+L8r/qFtA0TfPLyV5UxG QT54CpUEmR7BYRqMxTGh5z6Z9WbTb9fQxBoTS41+Pg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeektddgudelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepofgfggfkjghffffhvfevufgtsehttdertderredtnecuhfhrohhmpedfnfho rhgvnhiiuceurghuvghrfdcuoehoshhssehlmhgsrdhioheqnecuggftrfgrthhtvghrnh epffetgeffgfffffeuudeihfffueffgfelheegtdelleeggfffgfevfeekfedtffelnecu vehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepohhssheslh hmsgdrihho X-ME-Proxy: Feedback-ID: icd3146c6:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id 4EA7E15A0087; Thu, 13 Oct 2022 05:37:09 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-1047-g9e4af4ada4-fm-20221005.001-g9e4af4ad Mime-Version: 1.0 Message-Id: In-Reply-To: References: <20220715115559.139691-1-shaozhengchao@huawei.com> <20220914111936.19881-1-oss@lmb.io> <5a3c5ea9-d557-6070-d778-1092f3c51257@huawei.com> Date: Thu, 13 Oct 2022 10:36:49 +0100 From: "Lorenz Bauer" To: shaozhengchao , "Stanislav Fomichev" Cc: "Alexei Starovoitov" , "Daniel Borkmann" , bpf@vger.kernel.org, linux-kernel@vger.kernel.org, yuehaibing@huawei.com Subject: Re: [PATCH v4,bpf-next] bpf: Don't redirect packets with invalid pkt_len Content-Type: text/plain X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS, SPF_PASS 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 On Wed, 21 Sep 2022, at 09:48, shaozhengchao wrote: > Hi Lorenz > Sorry. But how does the rejection of the 0 length affect the > test case? Is the return value abnormal, send packet failure or some > others? Hi Zhengchao, Did you get around to submitting another fix for this? Best Lorenz