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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09E21C433EF for ; Thu, 18 Nov 2021 19:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E5819619BB for ; Thu, 18 Nov 2021 19:45:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233220AbhKRTso (ORCPT ); Thu, 18 Nov 2021 14:48:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233115AbhKRTsn (ORCPT ); Thu, 18 Nov 2021 14:48:43 -0500 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9730C061574; Thu, 18 Nov 2021 11:45:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=YQZLKIAQX/7i026JYisn1BPQuqEVD/2BD06l661YaYw=; t=1637264742; x=1638474342; b=fcrHXOD9MEyTVGT4c1p88yBQCT7kApzH1AE6DplKLlDa4nH YilGlS5CgVU5ZwKmm6ri5lTjs2b4FL5b8D0Othp7Q+IzqniGpBpg0ko3wW2WqkMkDVCBjrL0L5IvJ xiS/r66zY3sXdARTP9Q01S1DYJ3Wfp7GSrlKG64c5W9FSKLRFzI+hI0hEfLaptu4VO2TnLTI3+fsb 4l4Btr/vRewzUTX79R7tUOSiWUuSfsjz3mfHdmeQeOScvPPNdOolS1G/TyRX5E5qs9O9L12pjIhAG 2TY4THJg30iFcOEsD7M2GGtkCSB5MqXzuogSVhSOS2QF5PT5snB3ux7OhLL1is6Q==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95) (envelope-from ) id 1mnnLY-00H8Qc-40; Thu, 18 Nov 2021 20:45:24 +0100 Message-ID: <147e31ef85dbbdf87d6785b6a28229de81f8af6c.camel@sipsolutions.net> Subject: Re: [PATCH] mwl8k: Use struct_group() for memcpy() region From: Johannes Berg To: Kees Cook , Lennert Buytenhek Cc: Kalle Valo , "David S. Miller" , Jakub Kicinski , wengjianfeng , Lv Yunlong , Arnd Bergmann , Christophe JAILLET , Allen Pais , Zheyu Ma , linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-hardening@vger.kernel.org Date: Thu, 18 Nov 2021 20:45:22 +0100 In-Reply-To: <20211118183700.1282181-1-keescook@chromium.org> References: <20211118183700.1282181-1-keescook@chromium.org> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.1 (3.42.1-1.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Thu, 2021-11-18 at 10:37 -0800, Kees Cook wrote: > > - __u8 key_material[MAX_ENCR_KEY_LENGTH]; > - __u8 tkip_tx_mic_key[MIC_KEY_LENGTH]; > - __u8 tkip_rx_mic_key[MIC_KEY_LENGTH]; > + struct { > + __u8 key_material[MAX_ENCR_KEY_LENGTH]; > That got one tab too many? johannes