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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FAF7C43334 for ; Thu, 14 Jul 2022 22:36:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240544AbiGNWgE (ORCPT ); Thu, 14 Jul 2022 18:36:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229984AbiGNWgC (ORCPT ); Thu, 14 Jul 2022 18:36:02 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 057896D9EB for ; Thu, 14 Jul 2022 15:36:02 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id v16so4383726wrd.13 for ; Thu, 14 Jul 2022 15:36:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:content-language:to:from :subject:content-transfer-encoding; bh=Ij4qEcpFkjUUIYVFa3FgxlD2srrtnL+Z6YFdTTS/0SA=; b=j70CmUNRjfK1hNesxGTMnv1pSlIQ984VfuRCaK9TXAnvCQn92uSTm1OWvzwBxRWOpL iB063B3AFyPFlWcJJtBQY9oSwTXj+l2e+CgrqXuftsJbOVbJtES+Ac085I+eDIjYQkOA swvHyqnkNZiJiJh8XQit0W90z75clAUPgIuqZ/1AuIbLJbMHHgcMDgXPtyyBEqlzC2F4 99s96wb527Keh3PTb+iXKIv7ytrpWANJ0eY+PzVnMeKXixiEHp2YMSd6eQtFiFDPDqPq 1q117D0/E9ibdAJarx9itDuUiR3JbGlDuRgEiwmVl0nflJCxxYbGD5SL2lusZ+GBDs0Z PJ3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent :content-language:to:from:subject:content-transfer-encoding; bh=Ij4qEcpFkjUUIYVFa3FgxlD2srrtnL+Z6YFdTTS/0SA=; b=nPdykUu8hwGf5efvVag0IGgO2mtCqFXFPkAXrqgnDt/2RDmLe0Hqni8iRX84pLYKfK 1rbdZDbArpOOEfuk5yqk6os9GbdppxLmRDAWnEIfxu8NfDDAO3GtiBLRwG1MgxcQNecN ofWiJ7pbF6TFRWP5R8iC8IiDiPKhC3EfHDxIDh5fRPYkAd3SjVdy9I6RBjjSzAi8B2FF WG7NE7o1/YEuBH6eUAqRjS534lTzfHolHxJExLRlaQWTqzm88omHAisrVeLGzvbFZ+iG GLeOlLYLRpu/W29rbdnfARH89cFuw57zbnOMKvPFv3LGKt8uPxxO7VzcO0fGb4pdh/Pv 5VoQ== X-Gm-Message-State: AJIora+mTH+FSO4zXtFjo3l48+5bnaczbO3z/CoftVfNqxaLlLAmjTC+ r+4EivNv66gVRuoZWf+KbesjHPuPZbc= X-Google-Smtp-Source: AGRyM1sHc5H422l3Zx+jZbtE6e0zK2wfhTfHsehRwUhIfhmA0dK/fYK9wKPAKSKAXZyGGt/ofPNAGQ== X-Received: by 2002:adf:fcc8:0:b0:21d:68dc:814 with SMTP id f8-20020adffcc8000000b0021d68dc0814mr10106076wrs.102.1657838160636; Thu, 14 Jul 2022 15:36:00 -0700 (PDT) Received: from ?IPV6:2001:8a0:6cc5:7e01:9a40:bbff:fe12:c8fd? ([2001:8a0:6cc5:7e01:9a40:bbff:fe12:c8fd]) by smtp.gmail.com with ESMTPSA id l19-20020a05600c1d1300b003a300452f7esm3582665wms.28.2022.07.14.15.36.00 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 14 Jul 2022 15:36:00 -0700 (PDT) Message-ID: <2988f01e-6663-5dba-ce76-cbc655a66b91@gmail.com> Date: Thu, 14 Jul 2022 23:35:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Content-Language: en-US To: linux-kernel@vger.kernel.org From: =?UTF-8?Q?Andr=c3=a9_Coelho?= Subject: search_binary_Handler Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey, why is search_binary_handler cycles through binary formats?! if there is only 3, why don't just return the pointers to then? also, why does binfmt_misc ,exists?! couldnt we just use execve("interpreter","args)) , after reading some first bytes? since ELF  does read first bytes, can't we just use a ELF subset?! thanks in advance i wish to get cc of answers to this email andre albergaria