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=-10.8 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,USER_AGENT_GIT autolearn=ham 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 AFED1C64E8A for ; Tue, 1 Dec 2020 04:42:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44E04206E9 for ; Tue, 1 Dec 2020 04:42:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QGxzfhaF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726694AbgLAEmP (ORCPT ); Mon, 30 Nov 2020 23:42:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725861AbgLAEmO (ORCPT ); Mon, 30 Nov 2020 23:42:14 -0500 Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9940DC0613CF for ; Mon, 30 Nov 2020 20:41:28 -0800 (PST) Received: by mail-qv1-xf41.google.com with SMTP id dm12so267590qvb.3 for ; Mon, 30 Nov 2020 20:41:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MbejTzN2AoaC0fZmxVnDviiEA6VLhv3i8JMsXe1AiIs=; b=QGxzfhaF30zkdPCH0ae51Df+DlPUHIskuvilRZZmHlb8GK3qf5IY39GfzRufwSPemS wuYoNylKfLfXgANLNKWAVymYkILoChjBCiICr7tEuby12bTO2zqHXx15ZGs7iSnwjiDh MSQqOoNT6SEh9Y6tEavLwkuFTKXlpDFA7Lh+JpI/sAjBwhkCzoSsNaXvYxOH1ywb/L0r SitpZ+ZIDA8434f6fQUOBEL2NgxhkIvCjPkGHACSgkgbvul4lroyQz3zQetfY4yZDE0j lNvj7jLtGOMZf0aZfZ31H6AHrtO+LfwpzVVIHIWC+aayvMtnxli1ZxGxCY/XJm0vMQFp i6/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=MbejTzN2AoaC0fZmxVnDviiEA6VLhv3i8JMsXe1AiIs=; b=giTILlgC26Dw9Y9KQyiEe1ozJMf2LI1kn1FbaU/3GsYuwgmjRo2FYUCqflTO0mrEYq 0+YMrcA4iVI3hW/9Ip4dCStyhowIjXR2OV3CdzwO5rPnlMTyUEJtEnSkf9S44+mHF1Da hn3SHS5EF0/78/7by3dOHbswbcK0vyPNbTr6uH1cCGMp7GbstvM+IFgk95iVB1p1FeMR tBK0tmpaNIgq8o9xbCf0u3CaxMbE2ZvKnqDBHHDHECAcjeOiOlK2PHnikFp6ZEsgxYdt Sjf6nnQNdBKv3Nk4mmpXiKRZ/kgQswN7ej2mMd/g0wgmCCnCI1YXXzxXc/8DvZ6GG3l8 Eiig== X-Gm-Message-State: AOAM533SqXjpcNjt8x91yfrUkfrzFPbFAqY3AZFeeuGSRxoZGbUUTNh9 mnd5QAseg6GwKfCMV5ja4JGxIj/WbL0U6w== X-Google-Smtp-Source: ABdhPJwwEbU09jn25yA+p0bmluoQ1hXKcMefNklt7wmHyyGN8r3n6+qYDOmYyJOFsDqgTN/JVi/t1w== X-Received: by 2002:a0c:f951:: with SMTP id i17mr1297411qvo.22.1606797686974; Mon, 30 Nov 2020 20:41:26 -0800 (PST) Received: from localhost (pool-96-239-57-246.nycmny.fios.verizon.net. [96.239.57.246]) by smtp.gmail.com with ESMTPSA id d140sm676821qke.59.2020.11.30.20.41.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Nov 2020 20:41:25 -0800 (PST) From: Andrei Matei To: bpf@vger.kernel.org Cc: Andrei Matei Subject: [PATCH bpf-next 0/1] libbpf: fail early when loading programs with unspecified type Date: Mon, 30 Nov 2020 23:41:03 -0500 Message-Id: <20201201044104.24948-1-andreimatei1@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org 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. 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