From patchwork Wed Jun 28 17:55:24 2023 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: 697643 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 A98F3EB64DC for ; Wed, 28 Jun 2023 17:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229964AbjF1RzT (ORCPT ); Wed, 28 Jun 2023 13:55:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232013AbjF1Ryg (ORCPT ); Wed, 28 Jun 2023 13:54:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 167182704; Wed, 28 Jun 2023 10:54:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9C36A61426; Wed, 28 Jun 2023 17:54:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33042C433C0; Wed, 28 Jun 2023 17:54:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687974870; bh=Bh4L2zCmi8co6ZKpNs0mjBEZPUkU4wABH1EONUGV4ko=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=drUR6x+k+t8/2hPL0PU77jfEmFxwI/9p/nmhLCpepsUyg8imTUiIrSHEitQ39pyf5 dQ6Mi9W1I8tCpaC636iTfWsmcupTbmrxBMXarmQYnzqp1Pou3/R0SUmtsQhYJOjDvy 8Wq7mBolcr/4mLGtxrrTSVunbtlIwBRLVqZ1x4Smg/En4x9EEEvSruh+Am68sBLON+ /Tj8m6Vcrqh+0+ne5Hr1CsIP/Y9egbkv9lVUjXUKXbD353UZv4iq1F3tzSx697BjCg +HXJO39pfxtnt4re3CmOAnW0jqHkXqPVGNFR00FZgY+idT08P01GxOMFRRTNJhyzPh l6EKX6oV4xUVw== Date: Wed, 28 Jun 2023 11:55:24 -0600 From: "Gustavo A. R. Silva" To: aacraid@microsemi.com, "James E.J. Bottomley" , "Martin K. Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Kees Cook , "Gustavo A. R. Silva" , linux-hardening@vger.kernel.org Subject: [PATCH 03/10][next] scsi: aacraid: Replace one-element array with flexible-array member in struct aac_aifcmd Message-ID: <65907ee4083de62fbaadc5c2e6512e3828912d1b.1687974498.git.gustavoars@kernel.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Replace one-element array with flexible-array member in struct aac_aifcmd. This results in no differences in binary output. Issue found with the help of Coccinelle and audited and fixed, manually. Link: https://github.com/KSPP/linux/issues/79 Link: https://github.com/ClangBuiltLinux/linux/issues/1851 Signed-off-by: Gustavo A. R. Silva --- drivers/scsi/aacraid/aacraid.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 83fa890f28be..2e1623344327 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2618,7 +2618,7 @@ struct aac_hba_info { struct aac_aifcmd { __le32 command; /* Tell host what type of notify this is */ __le32 seqnum; /* To allow ordering of reports (if necessary) */ - u8 data[1]; /* Undefined length (from kernel viewpoint) */ + u8 data[]; /* Undefined length (from kernel viewpoint) */ }; /**