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=-1.1 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 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 D204BC433DF for ; Tue, 23 Jun 2020 23:10:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A52C72053B for ; Tue, 23 Jun 2020 23:10:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="KbxBnfch" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388314AbgFWXK1 (ORCPT ); Tue, 23 Jun 2020 19:10:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387829AbgFWXK0 (ORCPT ); Tue, 23 Jun 2020 19:10:26 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20EE2C061755 for ; Tue, 23 Jun 2020 16:10:26 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id x11so126384plo.7 for ; Tue, 23 Jun 2020 16:10:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=7CGyJvgDfqa7MpUh5embDkSIvDYKMmy2PpptbOHIrEM=; b=KbxBnfchg2RNBRCTFJcBQBqbQAmyNQh/HXi+viuVz7TZ4U9dkUGXHvTy44WpHvxokb 87n0dBDZDidnAzVyqWRq33wij2V0sVhaVFfIaucT3qotWt3zH2jjPWJkJS2kQILaoMQL yRN9ZLg8FrVnGR1hLX+DaepKcjahJ0EpkhK5o= 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; bh=7CGyJvgDfqa7MpUh5embDkSIvDYKMmy2PpptbOHIrEM=; b=UoFtyIWKuFB/r5QdYh5STCJqGlgbZTtzfaH0fnOUvoe2TXi4EZm5dgPjxe3MyeiXUf TPsH8Du523ulgYALwsJvoR/eJLQ6qFyd/nCnnDlI95aukqNcEfIMUSYKufQ03+Nn1jEK 6TNEh07C4w56YVP9Vfd/Jj2/dz5FfNTJq0McsuzScasCuW9WWv7a+kA6NsceTvTM9WvW BUlF4v6X5yggga8qNJOjHKTB4HC3aDBPJHWCukGYpStKgE7CegaFJP7eVdVDrEYUZZUp iK5zQWt5Gk2sB18wxcBz+cAeYHhrnbkecz6eWqyVqZ9Bry0qm9vURvfXFuHp9Dxq/ZIz emmg== X-Gm-Message-State: AOAM532BP8mlWxiuAJIpYoLgzVLhf+Rlu2IGsM16nluDeyX64HcgzKEp xCIb9jBfz0RnOLdtE7hN16MR4Q== X-Google-Smtp-Source: ABdhPJxWiopvITqQoUsjOrkPVJLPViTKTyfPSXoXAyVLmwAy3lfwE9jEZ/6WkBPSzCGcW/dk/mk+LA== X-Received: by 2002:a17:90a:d186:: with SMTP id fu6mr3871728pjb.185.1592953825608; Tue, 23 Jun 2020 16:10:25 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id r7sm13275139pfc.183.2020.06.23.16.10.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2020 16:10:24 -0700 (PDT) Date: Tue, 23 Jun 2020 16:10:23 -0700 From: Kees Cook To: Greg Kroah-Hartman Cc: Prasad Sodagudi , Sami Tolvanen , Amit Daniel Kachhap , linux-kselftest@vger.kernel.org, clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH drivers/misc 0/4] lkdtm: Various clean ups Message-ID: <202006231610.4993DC5@keescook> References: <20200529200347.2464284-1-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200529200347.2464284-1-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 29, 2020 at 01:03:43PM -0700, Kees Cook wrote: > Hi Greg, > > 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. Friendly ping -- we're past -rc2 now. :) Thanks! -Kees > > Thanks! > > -Kees > > 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 | 45 +++++++++++++------------ > 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, 56 insertions(+), 36 deletions(-) > > -- > 2.25.1 > -- Kees Cook