Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp504705pxj; Fri, 14 May 2021 08:39:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy96o/7OMxPYcIAOuz6KtxkIOxI++OoElUIITzJI+Otzq5aw8cRg2jgrxjET6pkNvqqgdN7 X-Received: by 2002:a17:907:1c8b:: with SMTP id nb11mr47975602ejc.327.1621006797669; Fri, 14 May 2021 08:39:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1621006797; cv=none; d=google.com; s=arc-20160816; b=bS3AxWw2JoRusIAux0EUxipsRnlXT7I8mnY7w1zX4G5ha5CBq+/xOodgr+0XPCjBHD 1UzkoKGwBkn4P4rD1kgtzBTU9btPV0J2vL1NaIu52AdKCMNVRq7a3CcjyuGjOp6/RN6j LajhmwdlGp+s5DaIdUdCjIwr6m8SphqPiM3wxgWvyqzzRkkM8Xyan0TjBmztuMAZPoBx XLWuybNmUf2DedYJJ7NyEdtRSJJ8ilKotTrFughaTWMLIM092YaGSlmQDE8ctaGRVWo1 DOeEriSEHUaPtA6SS+060k42FQbczrU0DsNNUSxivbKM140bCV8EofnpUTiBe08+17eQ DfmA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:subject :organization:from:references:cc:to:dkim-signature; bh=bvT1h5Dtf95/bClBJ8t/oO4/WMLk+en4nCrG5Kuj0DQ=; b=Cg2QUh9a4k11ZOyMvqmD6Da/HdH/kntzB3d4LKnrJ6tr/VZEHCDQGEgeLx4SHiUwj0 AltRyD9Zi3gTrtYU13EgKSC3rD/33bSORbw/rxU/xTGynIWe1Yq7k1+6ZKryvjODfoo0 YPQOPQS9p9+JGdJ0WJ3EO7M0jLaMxSMETYVMJ6W6K7Jx7ou1fmNU24Xd0OLR71epA2eZ JbrlVsdOouTn/czWaDvOtKTzZdAnhtDEKXqihh4vYidXTkO6gwqMFbzl1NFr29StEvDH mXc6FV2ilK0/7RIOEuOmkqSt1aYcQTUrctQvn3sKr9EkhFDY/EvH0qJYPS/MB/xprF0J o1tw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=YHwHH2ih; 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=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a3si6391078ejf.699.2021.05.14.08.39.32; Fri, 14 May 2021 08:39:57 -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=@redhat.com header.s=mimecast20190719 header.b=YHwHH2ih; 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=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231503AbhENJmJ (ORCPT + 99 others); Fri, 14 May 2021 05:42:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:52486 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230236AbhENJmH (ORCPT ); Fri, 14 May 2021 05:42:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620985256; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bvT1h5Dtf95/bClBJ8t/oO4/WMLk+en4nCrG5Kuj0DQ=; b=YHwHH2ihE7MF9kaK0vsik5rPLpZbkAUFbP8cqiMPKL842Jxo4sKcRWxdJaKlQxdLN0ogu5 AhCDbUdwKZBMnFEFSiTR47nPfi/9qV7pOUIxsDX1FeV+S8ay0s+SgT0GdlGvkPlmz0S6Ij yW93BW+P5qecf0Cij/30E7Za6KCFfM8= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-326-5Gbzex9GPk6JmuiDfWekYQ-1; Fri, 14 May 2021 05:40:55 -0400 X-MC-Unique: 5Gbzex9GPk6JmuiDfWekYQ-1 Received: by mail-ed1-f70.google.com with SMTP id p8-20020aa7c8880000b029038ce714c8d6so1734868eds.10 for ; Fri, 14 May 2021 02:40:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:cc:references:from:organization:subject :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=bvT1h5Dtf95/bClBJ8t/oO4/WMLk+en4nCrG5Kuj0DQ=; b=pZlue6KDF5G1q37LfWbi7yPeCGeijhHD1o9navMTvtHouNkdNsbY/N7X8paW76rPja igVFG9X7cnimLsufsDyybnr0JzmAXGB2WmxaHlopG5RuD8PgPYvu4toWX06uM0U3LZAM 2hHTEFLX3REGQNXTme86JmdfBcfeMLkcU9ND4JrmqkOv+JKGEJpgTttHqq1nta+hGjqj DR2ueJ1y4OhOQGK15qL3fWq8r1JI0z5mkbcfjKBs6aD5gYlHHmLDQ6qPAmqT8GvXivlo Hd/JBfWj3p1k52YFamw+nDCq/7SOqBoqFpY1I5ovtRlk5Ce4uBraA3v36Ym6fElPgf3+ Ifig== X-Gm-Message-State: AOAM532/7JKXZYE7rrAcu33TuQA25pqyZZ82nzwk2cZS914TCkSMqSIa AgyZYV9X1f1NDNtYjpOj0zHuuIiXCMbJxikq6zAxmHF8b+83ZzussstJrSlXwvXyJLeBYe0MkmQ nBPdeE68CIT2bcqiylYiHnweq X-Received: by 2002:a05:6402:2d6:: with SMTP id b22mr55674442edx.274.1620985253913; Fri, 14 May 2021 02:40:53 -0700 (PDT) X-Received: by 2002:a05:6402:2d6:: with SMTP id b22mr55674419edx.274.1620985253764; Fri, 14 May 2021 02:40:53 -0700 (PDT) Received: from [192.168.3.132] (p5b0c6501.dip0.t-ipconnect.de. [91.12.101.1]) by smtp.gmail.com with ESMTPSA id g10sm2885347ejd.109.2021.05.14.02.40.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 May 2021 02:40:53 -0700 (PDT) To: Mike Rapoport , Andrew Morton Cc: Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Hagen Paul Pfeifer , Ingo Molnar , James Bottomley , Kees Cook , "Kirill A. Shutemov" , Matthew Wilcox , Matthew Garrett , Mark Rutland , Michal Hocko , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , "Rafael J. Wysocki" , Rick Edgecombe , Roman Gushchin , Shakeel Butt , Shuah Khan , Thomas Gleixner , Tycho Andersen , Will Deacon , Yury Norov , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org References: <20210513184734.29317-1-rppt@kernel.org> <20210513184734.29317-9-rppt@kernel.org> From: David Hildenbrand Organization: Red Hat Subject: Re: [PATCH v19 8/8] secretmem: test: add basic selftest for memfd_secret(2) Message-ID: Date: Fri, 14 May 2021 11:40:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210513184734.29317-9-rppt@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.05.21 20:47, Mike Rapoport wrote: > From: Mike Rapoport > > The test verifies that file descriptor created with memfd_secret does not > allow read/write operations, that secret memory mappings respect > RLIMIT_MEMLOCK and that remote accesses with process_vm_read() and > ptrace() to the secret memory fail. > [...] > @@ -0,0 +1,296 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright IBM Corporation, 2020 2021 ? -- Thanks, David / dhildenb