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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 43A75C64E90 for ; Wed, 2 Dec 2020 01:40:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF12A2158C for ; Wed, 2 Dec 2020 01:40:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728017AbgLBBk0 (ORCPT ); Tue, 1 Dec 2020 20:40:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727660AbgLBBk0 (ORCPT ); Tue, 1 Dec 2020 20:40:26 -0500 Received: from mail-yb1-xb44.google.com (mail-yb1-xb44.google.com [IPv6:2607:f8b0:4864:20::b44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48162C0613D4 for ; Tue, 1 Dec 2020 17:39:46 -0800 (PST) Received: by mail-yb1-xb44.google.com with SMTP id x17so147056ybr.8 for ; Tue, 01 Dec 2020 17:39:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Drwn1zA9epewELYpsEH4x4ZU8if1FefIOowfYbVqU6c=; b=AN30uMRPIHc3IZ6/JhySa78CjLkFf4+kF+etRPsQZQnWAHlgFfg42QqoRukklyYrJC CjI/ybB66k6JxrY5IOAqDRa+S1SUuZDWsdKqi/UTXJcLihR0BlhLeZuIkuuRk2wtmwV2 CIrlnSZB6yrXO5Ccfy19onS2Y0Y4r9QlTCR4TreLvdagjIOd/6MOm5ZYT4appQ7d+Up2 t5Dhh6dDblMkB65o37jMQeYEMfgq4r4D1SJaza1M+K+VGDhVi+sopvM4AOYfMIQIvhqm pUJ3CuxKN63mQqMymmGyL8dX0SAAUIu8TpMAFugRfQT3q9HTn9SQDLsMrC2hIxg6Jq5A 4KIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Drwn1zA9epewELYpsEH4x4ZU8if1FefIOowfYbVqU6c=; b=Q1ne7pqcqm+oxytjDAcWLGobv63yMDhX3cdHu1V5QS+hFpQZ+JhoArBgfweVJc4ZGA s4DvtfKuFhmOG9uxjGpLtUc+OoN/IH4lbip0mlKCJLsvsYs+b7PTTsvtcGk9KAN2BU7M nIoeMyMdp9nNA9e+ahVosuwznvskHVSnnygCFSBzISGdlKwGkOrCPXy/n+suTB4YIMpg KT5s38Dzt3bQG2kch/vpz4ZFCEBD9m9OOuSzUOwrwz2hygBXLtUrbp/AtoN7Vd4AvlDW 3uVg4ox9cF+mRJVnEOEH8kZUG8jIrKkZeq1CIrfGFzzCX8DfmlYX0InTSp9xM1onlfdD bbQQ== X-Gm-Message-State: AOAM5301WMfcWdHMoveKtl0S0NTNxj4h4PrhERYQ0fpMtvhZmlY/BOEX 3aWkz30K6UI1yHb1M0jPDBfpIjVFUocXAQ34w2HuZTl3IAU= X-Google-Smtp-Source: ABdhPJxtGzPf8ZZZ5lgZzNLa9jiB7lVPSqfL/qS+k5Gci07AbTCLplwGRUmw0pR8ya0mt2k0LXRvDgfCZ+yh8n7yDAw= X-Received: by 2002:a25:7717:: with SMTP id s23mr349544ybc.459.1606873185643; Tue, 01 Dec 2020 17:39:45 -0800 (PST) MIME-Version: 1.0 References: <20201201044104.24948-1-andreimatei1@gmail.com> In-Reply-To: <20201201044104.24948-1-andreimatei1@gmail.com> From: Andrii Nakryiko Date: Tue, 1 Dec 2020 17:39:34 -0800 Message-ID: Subject: Re: [PATCH bpf-next 0/1] libbpf: fail early when loading programs with unspecified type To: Andrei Matei Cc: bpf Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Mon, Nov 30, 2020 at 8:43 PM Andrei Matei wrote: > > This patch should help people who misunderstand the importance of using > proper prefixes to their ELF sections in bpf object files. The patch > assumes that programs with type BPF_PROG_TYPE_UNSPEC are always invalid, > as indicated by `man 2 bpf`. Please let me know if that is not accurate. > FYI, you don't need to send a cover letter with a single patch. > Andrei Matei (1): > libbpf: fail early when loading programs with unspecified type > > tools/lib/bpf/libbpf.c | 16 +++++++++++++++- > 1 file changed, 15 insertions(+), 1 deletion(-) > > -- > 2.27.0 >