Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp2267515pxa; Mon, 3 Aug 2020 11:37:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxn0tK8DjQqQiBqfJiR/Mq2vdLHi9DouvZfK8qH/YLrqDAAS27ekn8DWKI7FawANp5aX1kr X-Received: by 2002:a17:906:fb07:: with SMTP id lz7mr17769457ejb.49.1596479834213; Mon, 03 Aug 2020 11:37:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1596479834; cv=none; d=google.com; s=arc-20160816; b=tMM8FNffFcleqTr4SXoeNd5Utqjoel7FkRGV6SxSHMB1PbD0k198WKjgiWbIJY/yn7 mDrOd48PqQj9SVAszuhyhbgE+0pW0ZRlxrU7fjDBs+fJiXKyEWubvqIUeI1uBvNfZVQi uG26HXlQ2mY//x4gPl6GqzxzrZNpFiU7/BoM/MJR78218PLEA+CBNzE/2qTsDfA8tGJz S6iXMFJ7ROI5Ma4LqhochmxQs0zm9Icg9fX9WWzaOSMiV8SVdYsZqaeXxSozoTlwhjHo nu7AgsScKtO8aK587NwqO2Jfz3q0TfbzQFFH4kIL6YyTgW+ptQwuoAr9EydZ3UZITjas nm8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-language :content-transfer-encoding:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:dkim-signature:dkim-filter; bh=k+NMDSjwm5TFPTN2F24vsuQ9bd+RBG4+Qztk9DA9N5w=; b=0LeuG3bsuvvNNER0QXNd76PtW2nGqZjXRz0MQ5TmUYZhcaBNG2yqPv445ECAKuEyrJ rz35Gp1htaGIr1gQUuM6RR0E9tVeML82VP8i3a4VK7zWvpPApK1a74YHeYWA/BVsBA/5 q1oxPKA+hzNGd0+jAQu/J+DTm8mNP9Lm7vK5c66muRgRaOUXo39muXTYEfEeoPojpTkg ZrgVEx1FGk6Kj6JHmjY3VxDeLZdOHSJhN/hkpvDruOasZp4141WjEPgNVkwuPJ7UClLX VkVzXEBk7f66V38RcvLwe1aS3N/NUf9OzVY3eaSJQBpFw4obMftGbAGO62zYa3ZbRpGp qSSg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b="DNQfd/jC"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id si17si1774375ejb.599.2020.08.03.11.36.50; Mon, 03 Aug 2020 11:37:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b="DNQfd/jC"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728743AbgHCSgf (ORCPT + 99 others); Mon, 3 Aug 2020 14:36:35 -0400 Received: from linux.microsoft.com ([13.77.154.182]:34356 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726130AbgHCSgf (ORCPT ); Mon, 3 Aug 2020 14:36:35 -0400 Received: from [192.168.254.32] (unknown [47.187.206.220]) by linux.microsoft.com (Postfix) with ESMTPSA id 5A65A20B4908; Mon, 3 Aug 2020 11:36:34 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 5A65A20B4908 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1596479794; bh=k+NMDSjwm5TFPTN2F24vsuQ9bd+RBG4+Qztk9DA9N5w=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=DNQfd/jCHwvRYMF2gK893vUrxekiycxCw0OhCzNbUMcGiKSE03vK/bnQsLmcTSru/ CtasfSm4QG8N9N4kZy69f3Os63Oj8jZa3a7vBD8/vw/IvmURd5dLVfTDYQE1RJ5X5C mMYCQph3slcm10L5a4Kvnyc+0DO+POBFk3obO0wY= Subject: Re: [PATCH v1 0/4] [RFC] Implement Trampoline File Descriptor To: Andy Lutomirski Cc: Kernel Hardening , Linux API , linux-arm-kernel , Linux FS Devel , linux-integrity , LKML , LSM List , Oleg Nesterov , X86 ML References: <20200728131050.24443-1-madvenka@linux.microsoft.com> <3b916198-3a98-bd19-9a1c-f2d8d44febe8@linux.microsoft.com> From: "Madhavan T. Venkataraman" Message-ID: Date: Mon, 3 Aug 2020 13:36:33 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/2/20 3:00 PM, Andy Lutomirski wrote: > I feel like trampfd is too poorly defined at this point to evaluate. Point taken. It is because I wanted to start with something small and specific and expand it in the future. So, I did not really describe the big picture - the overall vision, future work, that sort of thing. In retrospect, may be, I should have done that. I will take all of the input I have received so far and all of the responses I have given, refine the definition of trampfd and send it out. Please review that and let me know if anything is still missing from the definition. Thanks. Madhavan