| Message ID | 20200821194310.3089815-22-keescook@chromium.org |
|---|---|
| State | Accepted |
| Commit | 4409d2f8dfe7d5088567d4ba00133f876ee586c7 |
| Headers | show
Return-Path: <SRS0=vbuA=B7=vger.kernel.org=linux-efi-owner@kernel.org> 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=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 7B79AC433E1 for <linux-efi@archiver.kernel.org>; Fri, 21 Aug 2020 19:55:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 445BA214F1 for <linux-efi@archiver.kernel.org>; Fri, 21 Aug 2020 19:55:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="iZ6STMhf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726956AbgHUTzX (ORCPT <rfc822;linux-efi@archiver.kernel.org>); Fri, 21 Aug 2020 15:55:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38290 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726673AbgHUTyD (ORCPT <rfc822; linux-efi@vger.kernel.org>); Fri, 21 Aug 2020 15:54:03 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF8B2C061798 for <linux-efi@vger.kernel.org>; Fri, 21 Aug 2020 12:54:01 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id ep8so1262049pjb.3 for <linux-efi@vger.kernel.org>; Fri, 21 Aug 2020 12:54:01 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=vdQE3ckXVQaQMZctNKe7+WI4MMPWGnzLaa/Ga3pSK5c=; b=iZ6STMhfCfnlcIksH6lFcgl1iRc5Ipz40ciRwj5/xUiB2quTrrBfw1cgVpJYFMbyFi wLkm/B4u1iW579uXJIrcTAmAqLtJgXuQlTr0Jw8TE4vUm+lyJaDqm+THT2m14yyN/64A qOkwxIhzTLvBmqaLWYpt/YgXsfKu4Nl9ZprsI= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=vdQE3ckXVQaQMZctNKe7+WI4MMPWGnzLaa/Ga3pSK5c=; b=XBjGbBlpDLHucCs72k6WZERqcX6Ekw8FXAKO4KtnCCrvJMBV+yMj+MSpGaeX8ali+y mK985ppZcyrnqwSsN9Fz9EtIRL0hLcf50WPMdZfODwpLpGO/tv+PM/rA/U1iQGl7YqBq THj78o8H26A86j6MyOSMiFTcAL9zS+bE/PYbUGF5ti66tAl30EYbmUD/r8+SVZXpT0LG ML0bvEjT+v8uXBQdmeND0dv+r+UTQnBc+jfQJJ6i8y929LFZ6Vg+CGxw25cAdQSlXp4q YxvSKBzFwqC3dazX1wzrfIgVUn9xMwyE+u4KLUvgkbx20ghnymplSoAwObDXALuBiZ8o Mlqg== X-Gm-Message-State: AOAM530SON6zk9EI9uB15zUh25MwZCn5tCO05QUpu1RNzq3FAtxH2Fnw YoT83o8taVjW2+89aAJ4splhYA== X-Google-Smtp-Source: ABdhPJx3+jtNnnJd5zpPHLfvhbuFAhJz5nokpNldUaNYUUJcrj2heuGLYxm1XOgYFBH0L7ukexa7gQ== X-Received: by 2002:a17:90b:238d:: with SMTP id mr13mr3515645pjb.132.1598039641368; Fri, 21 Aug 2020 12:54:01 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id l9sm3165356pgg.29.2020.08.21.12.53.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 12:53:59 -0700 (PDT) From: Kees Cook <keescook@chromium.org> To: Ingo Molnar <mingo@kernel.org> Cc: Kees Cook <keescook@chromium.org>, Catalin Marinas <catalin.marinas@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ard Biesheuvel <ardb@kernel.org>, Peter Collingbourne <pcc@google.com>, James Morse <james.morse@arm.com>, Borislav Petkov <bp@suse.de>, Ingo Molnar <mingo@redhat.com>, Russell King <linux@armlinux.org.uk>, Masahiro Yamada <masahiroy@kernel.org>, Arvind Sankar <nivedita@alum.mit.edu>, Nick Desaulniers <ndesaulniers@google.com>, Nathan Chancellor <natechancellor@gmail.com>, Arnd Bergmann <arnd@arndb.de>, x86@kernel.org, clang-built-linux@googlegroups.com, linux-arch@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 21/29] arm/boot: Warn on orphan section placement Date: Fri, 21 Aug 2020 12:43:02 -0700 Message-Id: <20200821194310.3089815-22-keescook@chromium.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821194310.3089815-1-keescook@chromium.org> References: <20200821194310.3089815-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-efi-owner@vger.kernel.org Precedence: bulk List-ID: <linux-efi.vger.kernel.org> X-Mailing-List: linux-efi@vger.kernel.org |
| Series |
Warn on orphan section placement
|
expand
|
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index b1147b7f2c8d..d6cd2688ad7e 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 += --orphan-handling=warn # Next argument is a linker script LDFLAGS_vmlinux += -T
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 <keescook@chromium.org> --- arch/arm/boot/compressed/Makefile | 2 ++ 1 file changed, 2 insertions(+)