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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 1CDB8C433E1 for ; Fri, 19 Mar 2021 17:27:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C47E361991 for ; Fri, 19 Mar 2021 17:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230105AbhCSR0c (ORCPT ); Fri, 19 Mar 2021 13:26:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230337AbhCSR00 (ORCPT ); Fri, 19 Mar 2021 13:26:26 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC8BFC061760 for ; Fri, 19 Mar 2021 10:26:26 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id f2-20020a17090a4a82b02900c67bf8dc69so7060686pjh.1 for ; Fri, 19 Mar 2021 10:26:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=G2ciI+8gLo1fSwlXD2q75g0c52yk/hMrZ0yweTlh3Wk=; b=VcZIRP1tPwWzWYflvDs2QtRdxoWgthJmMjpQFcvI0cw/Oi8U3fDykMwMJHUCRgLwLN IHz3cdgeMpGlUNdsWBkf889IaBIr31ob91+6VjKlBUZbqbRwigbvyhVbfasbWmvR5lSa t3CWNSy3svupvHUJAS0mJ7ozPSUoiXCBicW70= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=G2ciI+8gLo1fSwlXD2q75g0c52yk/hMrZ0yweTlh3Wk=; b=PcKgftUJL68lFvGcE8xAz0Jrn3C+EKKz0I8/FV2gq8RPK8xpxAORGCp4iyHATPdvjE zufOyWHsaIj1+t1LZWGoUGRSKGBD7pB2DTL+1I1LTBMXCtR0L1VIq38t3zEVRSXoACq7 DCgMU+zjS5VRdzlJP9bFVlGUCjnYsk+S5UnkaJXYKX5KMZN64aiZpQU5RqmGWJhXnfEq c62ygQD69hN/2f7ci6yHq+sFNorR6tU7J8WhRa5qNvThp0oi8iqgGcSyShCaw5Z07Sf6 V0fC2v/PI8Cyf3+lXXDpXwz3NybO78F+8QekqldCWkSUfdUhN3N2s+VsCC5XXUia+m6M +zXA== X-Gm-Message-State: AOAM531OGh0ffDqhBSxwIkbC6lsQteYo+WQ6V/2UiXiOZCPXDiRX0Gvx RQk50T0pcPlsIbGDXBomVOFU1Q== X-Google-Smtp-Source: ABdhPJzOKA9F+yXMnxyRNFmJt9DfXWSRK0fZPjEUoInFJxIRVNA3uwgGEl8gbZRw8mSeGT/QAF3Jqw== X-Received: by 2002:a17:90a:a403:: with SMTP id y3mr10703577pjp.227.1616174786403; Fri, 19 Mar 2021 10:26:26 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id r23sm6188880pje.38.2021.03.19.10.26.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Mar 2021 10:26:25 -0700 (PDT) Date: Fri, 19 Mar 2021 10:26:25 -0700 From: Kees Cook To: =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= Cc: James Morris , Jann Horn , "Serge E . Hallyn" , Al Viro , Andrew Morton , Andy Lutomirski , Anton Ivanov , Arnd Bergmann , Casey Schaufler , David Howells , Jeff Dike , Jonathan Corbet , Michael Kerrisk , Richard Weinberger , Shuah Khan , Vincent Dagonneau , kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-security-module@vger.kernel.org, x86@kernel.org, =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= Subject: Re: [PATCH v30 11/12] samples/landlock: Add a sandbox manager example Message-ID: <202103191026.E2F74F8D9@keescook> References: <20210316204252.427806-1-mic@digikod.net> <20210316204252.427806-12-mic@digikod.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210316204252.427806-12-mic@digikod.net> Precedence: bulk List-ID: X-Mailing-List: linux-api@vger.kernel.org On Tue, Mar 16, 2021 at 09:42:51PM +0100, Mickaël Salaün wrote: > From: Mickaël Salaün > > Add a basic sandbox tool to launch a command which can only access a > list of file hierarchies in a read-only or read-write way. > > Cc: James Morris > Cc: Kees Cook > Cc: Serge E. Hallyn > Signed-off-by: Mickaël Salaün I'm very happy to see any example! Reviewed-by: Kees Cook -- Kees Cook