From patchwork Mon Aug 15 21:42:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 12944291 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DFF4C19F2C for ; Tue, 16 Aug 2022 05:19:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232155AbiHPFTe (ORCPT ); Tue, 16 Aug 2022 01:19:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233204AbiHPFTM (ORCPT ); Tue, 16 Aug 2022 01:19:12 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6DEB1C21DD; Mon, 15 Aug 2022 14:42:46 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id CE500B811BF; Mon, 15 Aug 2022 21:42:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5988DC433D6; Mon, 15 Aug 2022 21:42:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660599763; bh=J5sILHxjfHL2mngdVIkP+62Tsl5BM29kcszjyaZgtTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ULAZ4sTT/Mfp7G7ebqcnzGlna8miB9S2AwB9BgcbB/JuXmMpPr7cfPCQnwDw7PMuA ZMxWtTbU5TDApU6vqxIgSdapoRSZRIcgecgILwrVPGCAkSP9N1toRhWTlCYFgKOPkS PXHu0z/Dva+XPvwEZn1vPXAtSVwNwqblnfTnwMaxxARol7mpnKEVU47iU8tOvLWCkd YqzYylwjgZXD1z+VyG9KUSYPZm0S5hfvUo4UszZr+v5l+NbvwC5r/Qp9nQHAnMk4CL 0JH4Jg6wuLFmPKnCphPsmLgXfp2n65rxQKEpr55wPUOPBWba5aFw+eTXMDjR88IElx ykiTveYvARyrQ== Date: Mon, 15 Aug 2022 16:42:21 -0500 From: "Gustavo A. R. Silva" To: megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Kashyap Desai , Sumit Saxena , Shivasharan S , "James E.J. Bottomley" , "Martin K. Petersen" , Kees Cook , "Gustavo A. R. Silva" , linux-hardening@vger.kernel.org Subject: [PATCH v3 2/6] scsi: megaraid_sas: Replace one-element array with flexible-array member in MR_FW_RAID_MAP_DYNAMIC Message-ID: <896476f8fe43cf83b491c6c13f59c9ace780d82c.1660592640.git.gustavoars@kernel.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org One-element arrays are deprecated, and we are replacing them with flexible array members, instead. So, replace one-element array with flexible-array member in struct MR_FW_RAID_MAP_DYNAMIC. This helps with the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy(). Link: https://github.com/KSPP/linux/issues/79 Link: https://github.com/KSPP/linux/issues/109 Signed-off-by: Gustavo A. R. Silva --- Changes in v3: - None. Changes in v2: - None. drivers/scsi/megaraid/megaraid_sas_fusion.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index 5530c233fccb..66e13b74fcdc 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -1053,7 +1053,7 @@ struct MR_FW_RAID_MAP_DYNAMIC { struct MR_RAID_MAP_DESC_TABLE raid_map_desc_table[RAID_MAP_DESC_TYPE_COUNT]; /* Variable Size buffer containing all data */ - u32 raid_map_desc_data[1]; + u32 raid_map_desc_data[]; }; /* Dynamicaly sized RAID MAp structure */ #define IEEE_SGE_FLAGS_ADDR_MASK (0x03)