From patchwork Mon Oct 24 11:31:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 13017536 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B0F2FA373E for ; Mon, 24 Oct 2022 12:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=eB1rqObN7hhxmN0Y1JR6M6rCuHjWqqeRPDVSCKWTQ2o=; b=M8uZRVZZiR7x9A PaME04Ct/b/08R5TvkLpM0w9GXcsAi5/4j4uLrNTA+ZiHxb+NgT5UaruStff/ACt08FP+qjs7zcoN rzFx1JhJ0qyiuhhyXlQb555k1yddOHiqdJ+mjLV1Rly2KXPUwunz0QVUk9yrnWCuwSN1Obga73h/5 ruAeWeUL3nAI2AhKCLAKb5yyFE7YwkROX1ZoAzB28+luzwlED17PijjvboXeuI4+Hz88ExafqU4qn rF4DvuiluBjeeaxOxz4IJ7/teNG3mf2Q28+cjT7R7K5IlrtOMsRiVaSczQp2MC0xh8ccqZVdLKKFF qndAhA75EU+QtkCGpYcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1omwZy-001POO-Ez; Mon, 24 Oct 2022 12:29:18 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1omwZi-001PGs-R9 for linux-arm-kernel@lists.infradead.org; Mon, 24 Oct 2022 12:29:04 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5B5DD61313; Mon, 24 Oct 2022 12:29:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D5D9C433C1; Mon, 24 Oct 2022 12:29:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666614541; bh=KJQPpJ32UIqN4u7A8mzjqm34rg4kJPRAbyTUOPAsbIY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zZ9jdxTeDiCUHcQ9BJ9F25VWRYCfuZLLq2iOmIAwrooEMcK49e5Hy6h22xfZL452j cRmT7MSMP5VyNx6Zn13GT2gjZQoCYS8UUS0PS+1OeqvHr32uTDarky6m1D4+2M0tlV 6vOGgHr7INUaPRrKyQfhS/i8Io8F9gpI7ghwgnlo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, kernel test robot , Russell King , linux-arm-kernel@lists.infradead.org, Kees Cook , Sasha Levin Subject: [PATCH 5.10 301/390] ARM: decompressor: Include .data.rel.ro.local Date: Mon, 24 Oct 2022 13:31:38 +0200 Message-Id: <20221024113035.833900007@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113022.510008560@linuxfoundation.org> References: <20221024113022.510008560@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221024_052902_954289_ABD64A79 X-CRM114-Status: GOOD ( 12.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Kees Cook [ Upstream commit 1b64daf413acd86c2c13f5443f6b4ef3690c8061 ] The .data.rel.ro.local section has the same semantics as .data.rel.ro here, so include it in the .rodata section of the decompressor. Additionally since the .printk_index section isn't usable outside of the core kernel, discard it in the decompressor. Avoids these warnings: arm-linux-gnueabi-ld: warning: orphan section `.data.rel.ro.local' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.data.rel.ro.local' arm-linux-gnueabi-ld: warning: orphan section `.printk_index' from `arch/arm/boot/compressed/fdt_rw.o' being placed in section `.printk_index' Reported-by: kernel test robot Link: https://lore.kernel.org/linux-mm/202209080545.qMIVj7YM-lkp@intel.com Cc: Russell King Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Kees Cook Signed-off-by: Sasha Levin --- arch/arm/boot/compressed/vmlinux.lds.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S index 1bcb68ac4b01..3fcb3e62dc56 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.S +++ b/arch/arm/boot/compressed/vmlinux.lds.S @@ -23,6 +23,7 @@ SECTIONS *(.ARM.extab*) *(.note.*) *(.rel.*) + *(.printk_index) /* * Discard any r/w data - this produces a link error if we have any, * which is required for PIC decompression. Local data generates @@ -57,6 +58,7 @@ SECTIONS *(.rodata) *(.rodata.*) *(.data.rel.ro) + *(.data.rel.ro.*) } .piggydata : { *(.piggydata)