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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 86545C3A59B for ; Sat, 17 Aug 2019 15:08:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59E3820880 for ; Sat, 17 Aug 2019 15:08:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gd/ED5nx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725966AbfHQPIt (ORCPT ); Sat, 17 Aug 2019 11:08:49 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:37582 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbfHQPIt (ORCPT ); Sat, 17 Aug 2019 11:08:49 -0400 Received: by mail-pf1-f195.google.com with SMTP id 129so4657979pfa.4; Sat, 17 Aug 2019 08:08:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=zaQgiRUD9bFkoEC1MQ4ZPR5U0C+wFe97EOGkru/Ez+Q=; b=gd/ED5nxe2vMcfWakfzqthJBQjXfRtJoSVWDgay7rfDRtCWAFNLn1aFRDkS7qN+KbS aeohdwXzXwEbUkLCeyF3dXUA8JX4PAwQQb3pYyyVhJL674IKp1DhvXxaPXLRowPNQ/mN 2nn85HLfe/QPxCvWPpDH892YNOMcWuHK+lNL4pAenjGwJBikmBIozwm93eTtIj1uSsjp 99FiCDL9nZKZtj9ExnUzJxOfLJQZO67CeJ/U4GzqDKzt/uDaxLg6Wxh0w3tZTybD+cEd wN9jEQVThzY78lM8zZmlEvplKKD1M/uzIF9igr1U83Nb866QgHMZ3726/fbEVlDyguCr BSjQ== 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:in-reply-to:user-agent; bh=zaQgiRUD9bFkoEC1MQ4ZPR5U0C+wFe97EOGkru/Ez+Q=; b=EL6PSjsniboC+l57ksij1GdRnR5eySCUC9Qy04Vgm22aYTuGe6s1kv5YiRgceZA2JZ SVkSD4VgSdGbLUrvn02h/0AORUT+Sc8FAKyS5olKyUx9ZbgtbbVM1HwIMHHfLVDFR+kz 42tQgWiNQ4RN8kk5NqmOql45sOJpwsm+JRsBRkqXj1uMCkVrgL6IsLCmHP0y+jdlQgng Flm+DJd2LjPXdmYgS46Oa0E1k/T7JjogI01p63EGgObjDw2dnfvdLlhoj0eslnuCuZmu PRgLX1RjzfFkIllYsOHXyhYRIik4r1ZG1Thu7G3aGht11BewNBWfbmiYOEh4nyusOHJG 5epw== X-Gm-Message-State: APjAAAUb0/cMkj7RUvY3acZv4WJmJAwuboN4PnwI8Jll1heanX8T3xeN 8xoxaf429z6t/3tfhwNsa30= X-Google-Smtp-Source: APXvYqxNi0TMs1XBwGfOkiBJbZo3XNJ/UeEkVQKQDxW9/G2zNrG5CjnaXyOqsEFhbuM4akleUX3wfQ== X-Received: by 2002:a17:90a:5207:: with SMTP id v7mr11854148pjh.127.1566054528053; Sat, 17 Aug 2019 08:08:48 -0700 (PDT) Received: from ast-mbp ([2620:10d:c090:180::9c96]) by smtp.gmail.com with ESMTPSA id w11sm10440881pfi.105.2019.08.17.08.08.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Aug 2019 08:08:47 -0700 (PDT) Date: Sat, 17 Aug 2019 08:08:45 -0700 From: Alexei Starovoitov To: Christian Brauner Cc: Andy Lutomirski , Kees Cook , Andy Lutomirski , Song Liu , Networking , bpf , Alexei Starovoitov , Daniel Borkmann , Kernel Team , Lorenz Bauer , Jann Horn , Greg KH , Linux API , LSM List Subject: Re: [PATCH v2 bpf-next 1/4] bpf: unprivileged BPF access via /dev/bpf Message-ID: <20190817150843.4vsmzpwpcvzndjld@ast-mbp> References: <20190805192122.laxcaz75k4vxdspn@ast-mbp> <20190806011134.p5baub5l3t5fkmou@ast-mbp> <20190813215823.3sfbakzzjjykyng2@ast-mbp> <201908151203.FE87970@keescook> <20190815234622.t65oxm5mtfzy6fhg@ast-mbp.dhcp.thefacebook.com> <20190816214542.inpt6p655whc2ejw@ast-mbp.dhcp.thefacebook.com> <20190816222252.a7zizw7azkxnv3ot@wittgenstein> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190816222252.a7zizw7azkxnv3ot@wittgenstein> User-Agent: NeoMutt/20180223 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Sat, Aug 17, 2019 at 12:22:53AM +0200, Christian Brauner wrote: > > (The one usecase I'd care about is to extend seccomp to do pointer-based > syscall filtering. Whether or not that'd require (unprivileged) ebpf is > up for discussion at KSummit.) Kees have been always against using ebpf in seccomp. I believe he still holds this opinion. Until he changes his mind let's stop bringing seccomp as a use case for unpriv bpf.