From patchwork Fri Nov 23 18:33:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Hutchings X-Patchwork-Id: 1002505 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=codethink.co.uk Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 431lMT1vP9z9s3q for ; Sat, 24 Nov 2018 05:34:13 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388029AbeKXFTb (ORCPT ); Sat, 24 Nov 2018 00:19:31 -0500 Received: from imap1.codethink.co.uk ([176.9.8.82]:60610 "EHLO imap1.codethink.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbeKXFTa (ORCPT ); Sat, 24 Nov 2018 00:19:30 -0500 Received: from cpc118554-reig6-2-0-cust775.6-3.cable.virginm.net ([86.18.95.8] helo=xylophone.i.decadent.org.uk) by imap1.codethink.co.uk with esmtpsa (Exim 4.84_2 #1 (Debian)) id 1gQGHB-0001FX-Ky; Fri, 23 Nov 2018 18:34:01 +0000 Date: Fri, 23 Nov 2018 18:33:56 +0000 From: Ben Hutchings To: Alexei Starovoitov , Daniel Borkmann Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] bpf: Test defence against SSB exploitation Message-ID: <20181123183356.5q4bu47zpj5wdufb@xylophone.i.decadent.org.uk> MIME-Version: 1.0 Content-Disposition: inline User-Agent: NeoMutt/20170113 (1.7.2) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This series adds log messages for all patching done by the verifier, and a test case to verify that the patch to defend against SSB exploitation is applied where needed. Ben. Ben Hutchings (3): bpf/verifier: Log instruction patching when verbose logging is enabled selftests/bpf: Add the ability to test for a log message on success selftests/bpf: Add test case for defence against SSB exploitation kernel/bpf/verifier.c | 13 +++++++++++++ tools/testing/selftests/bpf/test_verifier.c | 26 +++++++++++++++++++++++++- 2 files changed, 38 insertions(+), 1 deletion(-)