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=-14.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_IN_DEF_DKIM_WL autolearn=no 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 42CCCC388F7 for ; Thu, 29 Oct 2020 01:07:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DDD0E2068D for ; Thu, 29 Oct 2020 01:07:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OQFoy5zJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404230AbgJ2BHW (ORCPT ); Wed, 28 Oct 2020 21:07:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404148AbgJ2BG3 (ORCPT ); Wed, 28 Oct 2020 21:06:29 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4BD5DC0613D4 for ; Wed, 28 Oct 2020 18:06:28 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id x6so1299033ljd.3 for ; Wed, 28 Oct 2020 18:06:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=sdW8glxlqT52o6OrX86F7zpNSSHvHFcM+yTkw93QmvU=; b=OQFoy5zJcvGaPYRjULm9FRQ4mPpGgZUmLkSBusyWrqN7wYA6OKMhtdFCj7k6mxGVVn /OB6g0MYcj16bI3y0RZAnTaIqfzbpgMOw5XGd4GR3BPNbqmLRVZfrNgeih5y59Ukq7m8 hQ2JsWLBe5/8kwUHrYWzO15rATBwrSZSug26Qn738s0cmusMvscNdYWrEyDFeIIxigX/ djhhUiRssu5Q15Vhx6qIjm2Ox/u4rrcbzo4r3H7eYiBYzRqiKzLmUsoc0+Jsbge3+k21 5yjSQlazLmxu+Kte6xds9kyAl4e/NpD7HFcpW0zVmKkL0FHCl8jErMGvQv9yJe4Z5ez9 yF+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=sdW8glxlqT52o6OrX86F7zpNSSHvHFcM+yTkw93QmvU=; b=pdSTkzYTGjid8TJ9UM5DM3Mn8PeYoj3lBID83wBktjFfsryJeHS86FFTtcDIsgU7eQ yPt4oDJMdvRATnI8pIF3Ywyb27jrviwFqEMElqZBRFpWgfg/70scU33hlc6I00u4uCDe Wvb+IPJO42IlFEAkELiCR1hum0nqehBGzSTvQl+VbehUPXFUt/X7+PK9WeZ+NYV/97Vt 32XdoH7OzVjPJ6TYiENymv5yDOxbvFJf3KeyfgmDz3rp5neZIEZTijJ2A6X+ZHdFZTpK pV6lnRGPmf4iBAJvy+13iuj8vEef6CmKB5fpW0jATkt/Iz55LO7urTzhSx6jh1n3yunj OMhA== X-Gm-Message-State: AOAM532wZ+z5WjZa0iCIj7t7Igy71ZIh3TG748CoYLoh8PiaIFp2TS01 C8GnhkCCmemiUCXvRXq4YNY/on/WIxd5NKLjpgfoAA== X-Google-Smtp-Source: ABdhPJzyyZaaLe2JA3VvgL7cUtSj9LlNwA65qJkm7Fv1qbvcq5QSy/4U16ih92Ck7/3Dyb1x1IAYXE/2zulh7bsAAQY= X-Received: by 2002:a2e:b888:: with SMTP id r8mr712081ljp.138.1603933586611; Wed, 28 Oct 2020 18:06:26 -0700 (PDT) MIME-Version: 1.0 References: <20201027200358.557003-1-mic@digikod.net> <20201027200358.557003-4-mic@digikod.net> In-Reply-To: <20201027200358.557003-4-mic@digikod.net> From: Jann Horn Date: Thu, 29 Oct 2020 02:06:00 +0100 Message-ID: Subject: Re: [PATCH v22 03/12] landlock: Set up the security framework and manage credentials To: =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Cc: James Morris , "Serge E . Hallyn" , Al Viro , Andy Lutomirski , Anton Ivanov , Arnd Bergmann , Casey Schaufler , Jeff Dike , Jonathan Corbet , Kees Cook , Michael Kerrisk , Richard Weinberger , Shuah Khan , Vincent Dagonneau , Kernel Hardening , Linux API , linux-arch , "open list:DOCUMENTATION" , linux-fsdevel , kernel list , "open list:KERNEL SELFTEST FRAMEWORK" , linux-security-module , "the arch/x86 maintainers" , =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 27, 2020 at 9:04 PM Micka=C3=ABl Sala=C3=BCn = wrote: > Process's credentials point to a Landlock domain, which is underneath > implemented with a ruleset. In the following commits, this domain is > used to check and enforce the ptrace and filesystem security policies. > A domain is inherited from a parent to its child the same way a thread > inherits a seccomp policy. > > Cc: James Morris > Cc: Jann Horn > Cc: Kees Cook > Cc: Serge E. Hallyn > Signed-off-by: Micka=C3=ABl Sala=C3=BCn Reviewed-by: Jann Horn