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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 2F818C2BA19 for ; Sat, 11 Apr 2020 23:20:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EA0E5206E9 for ; Sat, 11 Apr 2020 23:20:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DfAdJtt/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JGyMAfES" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA0E5206E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=84Ru28BOR95S+KVJdNoCwEgYP7nYi4vxtaYdiAxvCDE=; b=DfAdJtt/Ah7Cbv 5qdWBi95n8gPFG11ThQLcKM3SWaPGwCpVpx5Pzz5Ga28mmjg9+zpcOSXsHcgohwbYBliqbeVedifm 4KelCX7SPTHkl7U8LNzkGO2ONMj4wQmjIPQTAlOE9QrFaqAgI5BFS2Lkw9jJmX5L5CMW6cA5zlobs gQKK9mwPBhzAOl680+EGnKy0/OIWLYXFBAeh0IjRoqDnqN1299JmajVmCJntGqwt4t2baDNSdCktO eACjTfmRY9VXZ7HeFjTl0uQ4BFGB3+J9ADTR0r2qdSnKD/VK9+IctMabgiukL2rJyYwfOPqEzKjnJ QbP1WNj+bl+Za29VjuEg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jNPQM-00041E-83; Sat, 11 Apr 2020 23:20:30 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jNPI5-0007qt-GE for linux-arm-kernel@lists.infradead.org; Sat, 11 Apr 2020 23:11:59 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3CF1C21835; Sat, 11 Apr 2020 23:11:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646717; bh=rjytP4Nsb3o8SYY72ku2H/NNEttzxHpHq53ChREMXFI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JGyMAfESLYeyEWoyA7XoWvGv5OUOCekdres2u8MH7fPX44i3N681Dz1hpTAs7uU/A VXSTqIVeW7tj42spnFqJFjWclHewqFudnV77zUtxHAdL/Xsbr0chxH3XxmoaLotoMc evDOcd6Cotj6ojUfsJFdkcAw5OTvv9E7hoqSaYfU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 107/108] rtc: imx-sc: Align imx sc msg structs to 4 Date: Sat, 11 Apr 2020 19:09:42 -0400 Message-Id: <20200411230943.24951-107-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230943.24951-1-sashal@kernel.org> References: <20200411230943.24951-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200411_161157_576134_09B8A916 X-CRM114-Status: GOOD ( 10.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linux-rtc@vger.kernel.org, Alexandre Belloni , Leonard Crestez , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Leonard Crestez [ Upstream commit a29de86521d8a80cb0b426638d4e38707cafa2e2 ] 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: a3094fc1a15e ("rtc: imx-sc: add rtc alarm support") Signed-off-by: Leonard Crestez Link: https://lore.kernel.org/r/13404bac8360852d86c61fad5ae5f0c91ffc4cb6.1582216144.git.leonard.crestez@nxp.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/rtc/rtc-imx-sc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-imx-sc.c b/drivers/rtc/rtc-imx-sc.c index cf2c12107f2b8..a5f59e6f862e0 100644 --- a/drivers/rtc/rtc-imx-sc.c +++ b/drivers/rtc/rtc-imx-sc.c @@ -37,7 +37,7 @@ struct imx_sc_msg_timer_rtc_set_alarm { u8 hour; u8 min; u8 sec; -} __packed; +} __packed __aligned(4); static int imx_sc_rtc_read_time(struct device *dev, struct rtc_time *tm) { -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel