From patchwork Thu Jun 25 20:37:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 208333 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=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 40DA5C433E1 for ; Thu, 25 Jun 2020 20:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E98620767 for ; Thu, 25 Jun 2020 20:37:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="T+TvmO6f" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407163AbgFYUhJ (ORCPT ); Thu, 25 Jun 2020 16:37:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405138AbgFYUhJ (ORCPT ); Thu, 25 Jun 2020 16:37:09 -0400 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A8FCC08C5C1 for ; Thu, 25 Jun 2020 13:37:09 -0700 (PDT) Received: by mail-pf1-x444.google.com with SMTP id d66so3583283pfd.6 for ; Thu, 25 Jun 2020 13:37:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=d3GeLK+nXjwF6qopXKxu4ABEIWtd3N9QgHPk+DpZ9DQ=; b=T+TvmO6fHmdSxxhmwQF6bCqwTYesZ26yWqZboO+42b4Ie4kzH6zGD3MEM6/mR+k1qo 3/53fF6qs1obN0PM9p7Ghgh3T59x1FbCG7HXARnuUe34xNmxM1tkRPBj2CkA0LelU/GV Anxsf9KOCQ0VaVa1QhyynBigEsblv0lSlybEc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=d3GeLK+nXjwF6qopXKxu4ABEIWtd3N9QgHPk+DpZ9DQ=; b=Z7KOzw9Op7WdBZ2g3Rt2lq9U0CORX4CuE46sIJePPV+rXTZFvE2CEl0GOEkEHgIeM2 iNkPh3f4lZszxJ69iHNRafghQpXe8XtnGeLNwrsIVYhkSDR+EoyU7Ojus9+ImlD/21Pz I2kIJUrEwarVF/QLExl1GQuaJOC3GPiL8ffguphQl/3uewKTNKhzIibeRTjiTrrwCOaD yiRyBhB9DAi/DzdfO0bGzikJzUIUTjfeZszmKoOMCGG4q3I0eMKCH8KSsh3gJrbRvBGI LLqtEjr2Qg3zLXPFTjGMIIp5Y2y5l56SvMDuHwwOXwXLIDcPpADsYvBH5ivvNKeqEk/S wEpw== X-Gm-Message-State: AOAM530QjrIh0N2zQ5wT1QJ87K1cna8AySL1Jy4qKRDXNN7wJ1XiSHoS TiZY7K3/6yf+loifs7bB8C7ONA== X-Google-Smtp-Source: ABdhPJxuNWPKYgd5trz2foxr85WYRx00emue48cZggJc6TgB+Btx4HxdZWfpU/cEGBgAfXWd09NKFg== X-Received: by 2002:a63:fe0a:: with SMTP id p10mr21957815pgh.255.1593117428713; Thu, 25 Jun 2020 13:37:08 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id w10sm21295494pgm.70.2020.06.25.13.37.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2020 13:37:07 -0700 (PDT) From: Kees Cook To: Greg Kroah-Hartman Cc: Kees Cook , Prasad Sodagudi , Sami Tolvanen , Amit Daniel Kachhap , Randy Dunlap , Richard Weinberger , linux-kselftest@vger.kernel.org, clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: [PATCH drivers/misc v2 0/4] lkdtm: Various clean ups Date: Thu, 25 Jun 2020 13:37:00 -0700 Message-Id: <20200625203704.317097-1-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hi Greg, (Since this was aleady pending, I just spun a v2, resent here.) Can you please apply these patches to your drivers/misc tree for LKDTM? It's mostly a collection of fixes and improvements and tweaks to the selftest integration. Thanks! -Kees v2: - add fix for UML build failures (Randy, Richard) v1: https://lore.kernel.org/lkml/20200529200347.2464284-1-keescook@chromium.org/ Kees Cook (4): lkdtm: Avoid more compiler optimizations for bad writes lkdtm/heap: Avoid edge and middle of slabs selftests/lkdtm: Reset WARN_ONCE to avoid false negatives lkdtm: Make arch-specific tests always available drivers/misc/lkdtm/bugs.c | 49 +++++++++++++------------ drivers/misc/lkdtm/heap.c | 9 +++-- drivers/misc/lkdtm/lkdtm.h | 2 - drivers/misc/lkdtm/perms.c | 22 +++++++---- drivers/misc/lkdtm/usercopy.c | 7 +++- tools/testing/selftests/lkdtm/run.sh | 6 +++ tools/testing/selftests/lkdtm/tests.txt | 1 + 7 files changed, 58 insertions(+), 38 deletions(-)