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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5123AC433DF for ; Fri, 14 Aug 2020 16:52:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C0FA204EA for ; Fri, 14 Aug 2020 16:52:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="B3FbgUmB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727998AbgHNQwm (ORCPT ); Fri, 14 Aug 2020 12:52:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726270AbgHNQwl (ORCPT ); Fri, 14 Aug 2020 12:52:41 -0400 Received: from mail-ot1-x343.google.com (mail-ot1-x343.google.com [IPv6:2607:f8b0:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BBD5C061384; Fri, 14 Aug 2020 09:52:41 -0700 (PDT) Received: by mail-ot1-x343.google.com with SMTP id v21so8055444otj.9; Fri, 14 Aug 2020 09:52:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=56wQBXZ4Y9r+7Y1AbkehmPLpcOw7Q3KsYOh0M2y8Xio=; b=B3FbgUmBSQzCjVwN01d1eKqn5O2qSScVgHaUAbUo8JHcP8sANRiF4MnE85LVFTfij+ kfU5DwO/lvmBDticXz32C+lPZyCKJFWAqtOeIho4jubcMyD3d+54tQx6bRcfZe0/syb/ nJ0x7I1GhbHhKZ5cKwkGLE20gjZzTg3QlOwZCHIMZ/iRo5oAouTWJq4mh0z76zjEJmMm yBBiMhKa+IR2L3ExLio/4Sr+awwTH2GjZcFxmioydUDm1D8k5uRXce0eUOFMP1h1Kmwa Cq80k8nKyfoW1Db4CiSGDY1cKFp9qjveM+wK+q8OgrMgubmVoXkF/TS4DlzMNkZtHiIV tIpg== 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=56wQBXZ4Y9r+7Y1AbkehmPLpcOw7Q3KsYOh0M2y8Xio=; b=M8miqmZOxJYqRbfUpDzFtgMOuxq91w0NmrCjIVhWUevYZ5zF81l2LQlja5LFnPb7rI eKZGE8zH57joNa8pqsIOq+hBhREgVv6yGec2AfKAUaJuPsJKFVvKyNWHIiE+9+KQT5gZ 2PK5fFQzt6/mmchaxJDXKNplmw2nI7emME7tJWcgUBaYWjg2+uHbl5tTP4JLIUMQHj2K E1TXXqNY07gOudweXBAOJt2WYFDui0FmYVzREIOzhCNaRHA6Y4E7A5cybwBui0hswYde zEYLjHJFXSVaRANpHqSAz4/N/uQELhl8U6a78pG8xs+HRftZu5am181DpYaeekutImRU qIig== X-Gm-Message-State: AOAM531YCem5sRKmDW6XGHPNWWlsP13D8HiADFJP8smZAEf1ZVjt+Wzb T4UOEO0LajaNUjYeZjDFjNvcAUmq8qpr2t86jzg= X-Google-Smtp-Source: ABdhPJz9rxsA7DVxKEwdWtU7rb3uywg36S1LiNDNJwcRMmMj4FExe6Bi1kJ6URn6XNJjcimX8KisS9d3K//G16m4qew= X-Received: by 2002:a05:6830:16d8:: with SMTP id l24mr2426501otr.89.1597423960353; Fri, 14 Aug 2020 09:52:40 -0700 (PDT) MIME-Version: 1.0 References: <20200813144914.737306-1-tweek@google.com> <15e2e26d-fe4b-679c-b5c0-c96d56e09853@gmail.com> In-Reply-To: From: Stephen Smalley Date: Fri, 14 Aug 2020 12:51:05 -0400 Message-ID: Subject: Re: [PATCH v2 1/2] selinux: add tracepoint on denials To: =?UTF-8?Q?Thi=C3=A9baud_Weksteen?= Cc: Paul Moore , Nick Kralevich , Joel Fernandes , Peter Enderborg , Eric Paris , Steven Rostedt , Ingo Molnar , Mauro Carvalho Chehab , "David S. Miller" , Rob Herring , Arnd Bergmann , linux-kernel , SElinux list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 14, 2020 at 9:05 AM Thi=C3=A9baud Weksteen w= rote: > > On Thu, Aug 13, 2020 at 5:41 PM Stephen Smalley > wrote: > > > > An explanation here of how one might go about decoding audited and > > tclass would be helpful to users (even better would be a script to do i= t > > for them). Again, I know how to do that but not everyone using > > perf/ftrace will. > > What about something along those lines: > > The tclass value can be mapped to a class by searching > security/selinux/flask.h. The audited value is a bit field of the > permissions described in security/selinux/av_permissions.h for the > corresponding class. Sure, I guess that works. Would be nice if we just included the class and permission name(s) in the event itself but I guess you viewed that as too heavyweight?