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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=ham 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 08FC1C43613 for ; Fri, 21 Jun 2019 21:04:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CCBA72075E for ; Fri, 21 Jun 2019 21:04:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="JQWyLEVm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726190AbfFUVEV (ORCPT ); Fri, 21 Jun 2019 17:04:21 -0400 Received: from mail-io1-f68.google.com ([209.85.166.68]:35216 "EHLO mail-io1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726049AbfFUVEV (ORCPT ); Fri, 21 Jun 2019 17:04:21 -0400 Received: by mail-io1-f68.google.com with SMTP id m24so728504ioo.2 for ; Fri, 21 Jun 2019 14:04:20 -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; bh=0Fh/tHiLfHzglDRmRK4MeWaH9B+D3D43UNRCXEIZlio=; b=JQWyLEVmQVEgB6eNmuJNoqU10ZpR9B1hs/VTTtZMK1atm2V9pgcLici+O3eq8GoZ20 PAwvAc7mTXhsw8s6ULWRqa1ygdEyl4fl4BZxysRViMT+5gnFJGU4xYVKNZy8Q9lWrYfQ +9Qno0D/zVZhrHTMhFEASp79IJzkBm+AjX1taO54zAkqcnJEkUO1OL21fDu/3pmLjRc8 CgO/JOKOHH1ocaoPktWOY4ccOBky8fxp+OqkF0pJSfnAf5v6aC6nSJdcLIZRuCu1m9jY J574JWeZIuizTc+yJhlGXZeTOajB38zjhNjna9YhsaqAc+ox0ywjtwHq0Wq1jv8LWMGz rtXQ== 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; bh=0Fh/tHiLfHzglDRmRK4MeWaH9B+D3D43UNRCXEIZlio=; b=CcMiUWHFvB8UdTSJPZVoUPGYp/9EY76TtFGsKoSEeUM8pj8pKX9ZnpOFtCojmte8mc BbdOZqytlzuvVhe4NkEPaTSnxOYIETXNrAszP8mqBS4va2vK+V40dfzbgwejDRoe4+ag hHL0ZZP2wi2pgsiTpULHzxe94CDltAG/Py1loh4BKphsp/tyqFYOsAPRbNq4qoFmq+f5 aK18+7C461wW0s/tSNygGkRXENxnP2s+d0vpSavzn05oLKo13mJjziSoYZiJKkIcImj8 fLj+NKbrUZGecBP53n0jPYNalHSRwssPgW3CH4TGi98cudrA5tU3G0JllMeuN064GLGq OXFw== X-Gm-Message-State: APjAAAU6gKc6Sn4TU4qpgz7DJmy3rAaQ+8tDhd+P1dhE/gkm6jnBIsFP fi2MjsdGXfC4FkOMfDG+da7FqQ/XrhCkH1x4ZXVy3w== X-Google-Smtp-Source: APXvYqyxdCHKg+jO9Z3sbuqDNxn5VjTHJLVEcF2t+ZhmVfXWXM8SChGt9mnaivlj0TOlGOadCqPgUHEkI13I8bpCo80= X-Received: by 2002:a02:ab99:: with SMTP id t25mr8680797jan.113.1561151059759; Fri, 21 Jun 2019 14:04:19 -0700 (PDT) MIME-Version: 1.0 References: <20190621011941.186255-1-matthewgarrett@google.com> <20190621011941.186255-4-matthewgarrett@google.com> <201906202028.5AB58C3@keescook> In-Reply-To: From: Matthew Garrett Date: Fri, 21 Jun 2019 14:04:08 -0700 Message-ID: Subject: Re: [PATCH V33 03/30] security: Add a static lockdown policy LSM To: Kees Cook Cc: James Morris , Linux Kernel Mailing List , Linux API , David Howells Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 21, 2019 at 12:37 PM Matthew Garrett wrote: > I'll check, I'm bad at finding these new fangled things. Ah, I see - there's sysfs_match_string(), but that doesn't really work for this case because we'd still need to do another set of checks to see whether the level we get is in lockdown_levels, not just lockdown_reasons.