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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 9E541C433E2 for ; Thu, 3 Sep 2020 22:43:17 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id E2B1B20716 for ; Thu, 3 Sep 2020 22:43:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="arGEoVNc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2B1B20716 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-19767-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 5644 invoked by uid 550); 3 Sep 2020 22:43:11 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 5612 invoked from network); 3 Sep 2020 22:43:10 -0000 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=QrnbZATBHBxQZ7fajeBTKOWCmjpG/tdsnBaMo8RMsl0=; b=arGEoVNcgRk6SvvgwhWybl2yTQQ/41JitWigdBdGhFS95Gmb9SWRyyuaVbLozcxhlL y6JEOwrroo7lJUf2OLWmcs3N8AyWgT7zx61RPK1c7lAmQb6YFg/HrUMlem7+hTwvS/bi td4g7TX1ItoN+b7bfyXxlkOCNCh28KvNVjWIM= 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=QrnbZATBHBxQZ7fajeBTKOWCmjpG/tdsnBaMo8RMsl0=; b=VdntqwyKnq46e6wZmYI6f8aNRWm7xSN9eyGTZVn7ByBFuQalsANFj9q6wY7eWNIEJT sNKMECXigqpp+XWg6sU/MzfkFUVf421HJflxbYz5u54bpUqSbq/70jD67YEKzsMoaFPq JnBr3UB+dYomw+CvoYOO3W4VrQBpQJjZWj4pardYuoWaYi1iI+8RHQ4/hyVszguQv+ei TBi9V6vM3AJqW5txXO4ilYn1ZOSADSM6DQqNcz1NUwV0D8JO5TJz4bpSnHZnWydKeUW9 l+vrUTGfsjqQ2blr9Fb7aw5sjC14KaxHnq/+1J6sxborbWp+OFMdTomO4T8hvjgS1KsS bD/g== X-Gm-Message-State: AOAM533H85UzL176ZHOLCAHCfcdZAKBLqX0ifUjTgInDjVUQT2PV1e4B Neqs9tQE1RMG7AuBysb2BR5gWw== X-Google-Smtp-Source: ABdhPJy5mdmPjJfruWrIY+6IxKRglw5a/F5w2SGFD8qLkoS56YGpVx+oFe/zdag2OFqeajEXIFLqFA== X-Received: by 2002:a17:902:9a45:: with SMTP id x5mr6151434plv.208.1599172978633; Thu, 03 Sep 2020 15:42:58 -0700 (PDT) Date: Thu, 3 Sep 2020 15:42:56 -0700 From: Kees Cook To: Sami Tolvanen Cc: Masahiro Yamada , Will Deacon , Peter Zijlstra , Steven Rostedt , Greg Kroah-Hartman , "Paul E. McKenney" , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v2 18/28] modpost: lto: strip .lto from module names Message-ID: <202009031542.1F8B3012FD@keescook> References: <20200624203200.78870-1-samitolvanen@google.com> <20200903203053.3411268-1-samitolvanen@google.com> <20200903203053.3411268-19-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200903203053.3411268-19-samitolvanen@google.com> On Thu, Sep 03, 2020 at 01:30:43PM -0700, Sami Tolvanen wrote: > With LTO, everything is compiled into LLVM bitcode, so we have to link > each module into native code before modpost. Kbuild uses the .lto.o > suffix for these files, which also ends up in module information. This > change strips the unnecessary .lto suffix from the module name. > > Suggested-by: Bill Wendling > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook -- Kees Cook