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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE9EFC433F5 for ; Fri, 28 Jan 2022 17:58:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343936AbiA1R6V (ORCPT ); Fri, 28 Jan 2022 12:58:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244505AbiA1R6S (ORCPT ); Fri, 28 Jan 2022 12:58:18 -0500 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B739EC06173B for ; Fri, 28 Jan 2022 09:58:18 -0800 (PST) Received: by mail-pl1-x636.google.com with SMTP id z5so6760371plg.8 for ; Fri, 28 Jan 2022 09:58:18 -0800 (PST) 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=qMBeUtTGoBAaUmn8ulylEeU3TILxfDlpE26BBKiNnGY=; b=J7fuSAhEvpVepqu4bHtpGok7OuYMF9RjkZNrGHmNgrE3z94rFzSezvXY1VOwIJRPne HDraILoeB+OqGPXAMfYrq42DJ1VEKRhNZ5KbKSdVW71X/qYEYlKw9piEK2FL2LkgD438 fhLhq8AjSchO7gxQu78V/tqZ3W0KAYttERvW8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=qMBeUtTGoBAaUmn8ulylEeU3TILxfDlpE26BBKiNnGY=; b=5hBw/wRYJ6c5m596LSecKORH65VD7Me7FvI9yZJY8V3Ws15+pNU7yZalqf3DuIzHBr i7zHIu3cDWatvmqVNskeSxH99BeubNSd5Af4QgsU6Gu/TTNeMXZj3bEMAZQwwbY8Jo68 9mUVX63yL/tcp+151YefUczeLO923I/yT5Ut65Y+cs5q/sAYnVUgA5cfELvYNEGQy1Kz lUz+NJblff0ayl9w/EZ2Kvp/VtsbPLOqvKjsj/o3X3czNRUgWKTmzB3r/8E6s9JqXuAd TAHva8vzHePFgKLtqE3sRjs2yXQMS2ge1YrOoTe/1d3HIGFzOwTqt26qq4TFtNLAm2A1 ixbw== X-Gm-Message-State: AOAM533DVkAaCcbF9cxIuixExOAvx04cmomaRcLtvV1FJv6PAMJzngoW RchwzYyF8Tp54xIbNQnftm/Mvg== X-Google-Smtp-Source: ABdhPJx5tvndvTY7lS7GUegKk//TLoB/LnrEz7voqsYYRocSw26tJo+R5gzx4F/9MEcP+wqMwA5t9w== X-Received: by 2002:a17:902:bf0a:: with SMTP id bi10mr9948941plb.164.1643392698276; Fri, 28 Jan 2022 09:58:18 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id p17sm5893755pfo.11.2022.01.28.09.58.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Jan 2022 09:58:18 -0800 (PST) Date: Fri, 28 Jan 2022 09:58:17 -0800 From: Kees Cook To: Marco Elver Cc: Andrew Morton , Alexander Potapenko , Dmitry Vyukov , Nathan Chancellor , Nick Desaulniers , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-mm@kvack.org, Arnd Bergmann , linux-kbuild@vger.kernel.org Subject: Re: [PATCH] Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang" Message-ID: <202201280957.562D6AC@keescook> References: <20220128105631.509772-1-elver@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220128105631.509772-1-elver@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 28, 2022 at 11:56:31AM +0100, Marco Elver wrote: > This reverts commit ea91a1d45d19469001a4955583187b0d75915759. > > Since df05c0e9496c ("Documentation: Raise the minimum supported version > of LLVM to 11.0.0") the minimum Clang version is now 11.0, which fixed > the UBSAN/KCSAN vs. KCOV incompatibilities. > > Link: https://bugs.llvm.org/show_bug.cgi?id=45831 > Link: https://lkml.kernel.org/r/YaodyZzu0MTCJcvO@elver.google.com > Signed-off-by: Marco Elver Yup, good to get rid of it. Reviewed-by: Kees Cook -- Kees Cook