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=-14.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 30B9AC433E2 for ; Mon, 7 Sep 2020 06:06:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE6FD2145D for ; Mon, 7 Sep 2020 06:06:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="pLu3QBBt"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="d1L38T8S" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726821AbgIGGGN (ORCPT ); Mon, 7 Sep 2020 02:06:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725803AbgIGGGE (ORCPT ); Mon, 7 Sep 2020 02:06:04 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F151CC061573; Sun, 6 Sep 2020 23:06:03 -0700 (PDT) Date: Mon, 07 Sep 2020 06:05:51 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1599458751; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qqxPCfBVsq4bjsOxWBa+uOdpA/zPBZj2JVst5UAJ/N4=; b=pLu3QBBt7DQlMzAP41yUSGmYp5DVEzgaUgTjPfDr2N2u+LzkH5qy1WaEqHfsC6LF8Sg634 KHGPSdWii1xcZQh4hkaicxp+bDIgeBh1ywr+cpQ0nJCC0SUK+6xZTkPCt7L5U7L6XIv1Lt 7+qYspjYQNlDLVIVMMiOm+jWt3TGJmbc4BR91OR7YShwKxl0+Ebcys9BH/HSBLEFfHuj5e LfvIWmp5JcZozJfeUOCYU8olXR+KwQoxooNod4nDpNyfp3vcDvNAAdYZb5Mt4LpnujlBaI BgcWWYTQ0iZ1CXWQ+vdQz2ZeCTDl8ADm1A3J8PUfbXYx74gEnqU9m+arz5om+g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1599458751; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qqxPCfBVsq4bjsOxWBa+uOdpA/zPBZj2JVst5UAJ/N4=; b=d1L38T8S+GTEEv7b7viRMJau1NswTmM5DfMf9Q/ivm2xU/0jTGu6hXg1Er4cBxNxlrSV6r eYB68GrAhknql5Bg== From: "tip-bot2 for Kees Cook" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: core/build] arm/boot: Warn on orphan section placement Cc: Kees Cook , Ingo Molnar , Nick Desaulniers , x86 , LKML In-Reply-To: <20200902025347.2504702-4-keescook@chromium.org> References: <20200902025347.2504702-4-keescook@chromium.org> MIME-Version: 1.0 Message-ID: <159945875109.20229.17726709562064025433.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the core/build branch of tip: Commit-ID: 4409d2f8dfe7d5088567d4ba00133f876ee586c7 Gitweb: https://git.kernel.org/tip/4409d2f8dfe7d5088567d4ba00133f876ee586c7 Author: Kees Cook AuthorDate: Tue, 01 Sep 2020 19:53:45 -07:00 Committer: Ingo Molnar CommitterDate: Thu, 03 Sep 2020 10:28:35 +02:00 arm/boot: Warn on orphan section placement We don't want to depend on the linker's orphan section placement heuristics as these can vary between linkers, and may change between versions. All sections need to be explicitly handled in the linker script. With all sections now handled, enable orphan section warning. Signed-off-by: Kees Cook Signed-off-by: Ingo Molnar Reviewed-by: Nick Desaulniers Link: https://lore.kernel.org/r/20200902025347.2504702-4-keescook@chromium.org --- arch/arm/boot/compressed/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index b1147b7..58028ab 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -123,6 +123,8 @@ endif LDFLAGS_vmlinux += --no-undefined # Delete all temporary local symbols LDFLAGS_vmlinux += -X +# Report orphan sections +LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn) # Next argument is a linker script LDFLAGS_vmlinux += -T