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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 655ADC18E5A for ; Tue, 10 Mar 2020 13:03:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3700024698 for ; Tue, 10 Mar 2020 13:03:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583845393; bh=oy+1dEgrOKr/hieGFcI5guQvbcYAsYuQWqh7Sylh2k8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bphCPqA8y2KwWOiy6hvHB3+EOYvV0/tzJrBiFvWqcFRy958QIgHHxu8Ucu7CP+sXa nvCq14BKQzx3W2DbhxduIEw4/6yd575n4svgWrZ2x+HX4uHQ9EQkmse0WOp9Sx7uE9 qq7ujyoypxmgLWy8JnmUXDAkA76QVSyLq5zTByO0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730550AbgCJNDL (ORCPT ); Tue, 10 Mar 2020 09:03:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:47496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730524AbgCJNDH (ORCPT ); Tue, 10 Mar 2020 09:03:07 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C48F820409; Tue, 10 Mar 2020 13:03:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583845387; bh=oy+1dEgrOKr/hieGFcI5guQvbcYAsYuQWqh7Sylh2k8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WXjmSOaYJm0kZ9is8QeB957BlARAT0LGClt+FzIUEvdoCaMDKnapbTwgoT/5wyokR JsORgYGdGwM3NUOFHJ7DgOnexfdP01KFBhHlQUw1fkdgdTVA7ikgqpY7DTiJMN42N1 4WGlaD8VuYVxEuVzzezjNGLwf09sQWDbxDsJM1dI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Leonard Crestez , Shawn Guo Subject: [PATCH 5.5 157/189] firmware: imx: Align imx_sc_msg_req_cpu_start to 4 Date: Tue, 10 Mar 2020 13:39:54 +0100 Message-Id: <20200310123655.856398745@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310123639.608886314@linuxfoundation.org> References: <20200310123639.608886314@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Leonard Crestez commit f5bfeff44612d304deb100065a9f712309dc2783 upstream. The imx SC api strongly assumes that messages are composed out of 4-bytes words but some of our message structs have odd sizeofs. This produces many oopses with CONFIG_KASAN=y. Fix by marking with __aligned(4). Fixes: d90bf296ae18 ("firmware: imx: Add support to start/stop a CPU") Signed-off-by: Leonard Crestez Signed-off-by: Shawn Guo Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/imx/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/firmware/imx/misc.c +++ b/drivers/firmware/imx/misc.c @@ -24,7 +24,7 @@ struct imx_sc_msg_req_cpu_start { u32 address_lo; u16 resource; u8 enable; -} __packed; +} __packed __aligned(4); struct imx_sc_msg_req_misc_get_ctrl { struct imx_sc_rpc_msg hdr;