From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758385AbcHYL2a (ORCPT ); Thu, 25 Aug 2016 07:28:30 -0400 Received: from mail-ua0-f178.google.com ([209.85.217.178]:33964 "EHLO mail-ua0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758319AbcHYL21 (ORCPT ); Thu, 25 Aug 2016 07:28:27 -0400 MIME-Version: 1.0 In-Reply-To: <1472121165-29071-1-git-send-email-mic@digikod.net> References: <1472121165-29071-1-git-send-email-mic@digikod.net> From: Andy Lutomirski Date: Thu, 25 Aug 2016 04:05:49 -0700 Message-ID: Subject: Re: [RFC v2 00/10] Landlock LSM: Unprivileged sandboxing To: =?UTF-8?B?TWlja2HDq2wgU2FsYcO8bg==?= Cc: "linux-kernel@vger.kernel.org" , Alexei Starovoitov , Arnd Bergmann , Casey Schaufler , Daniel Borkmann , Daniel Mack , David Drysdale , "David S . Miller" , Elena Reshetova , James Morris , Kees Cook , Paul Moore , Sargun Dhillon , "Serge E . Hallyn" , Will Drewry , "kernel-hardening@lists.openwall.com" , Linux API , LSM List , Network Development Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id u7PBSabu004065 On Thu, Aug 25, 2016 at 3:32 AM, Mickaël Salaün wrote: > Hi, > > This series is a proof of concept to fill some missing part of seccomp as the > ability to check syscall argument pointers or creating more dynamic security > policies. The goal of this new stackable Linux Security Module (LSM) called > Landlock is to allow any process, including unprivileged ones, to create > powerful security sandboxes comparable to the Seatbelt/XNU Sandbox or the > OpenBSD Pledge. This kind of sandbox help to mitigate the security impact of > bugs or unexpected/malicious behaviors in userland applications. > Maybe I'm missing an obvious description, but: do you have a description of the eBPF API to landlock? What function do you provide, when is it called, what functions can it call, what does the fancy new arraymap do, etc? --Andy