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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DF26CE7A88 for ; Sat, 23 Sep 2023 18:38:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230487AbjIWSh4 (ORCPT ); Sat, 23 Sep 2023 14:37:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230070AbjIWShy (ORCPT ); Sat, 23 Sep 2023 14:37:54 -0400 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE32F113; Sat, 23 Sep 2023 11:37:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.de; s=s31663417; t=1695494237; x=1696099037; i=deller@gmx.de; bh=6ODb61JZKAyoefAj0bLEfwWKHG7W2MnMV+6ga2PGkLo=; h=X-UI-Sender-Class:Date:Subject:To:Cc:References:From:In-Reply-To; b=el/ZYIcCuQHsxYgCfA30NsBJ/8n1wNnERA/R3g3ZoDDCcxIloMgtH9hao72xXbu4c4g92kpijpv VtBDYO3drcnNdv6X/AA/1dN3KaxaelfY4xouhW8Nz1dfkruSHTJXgBmNiPEy7rRbRHUHsz4FfJfYC Wo+UF8a5Iet0sSWOSBV0FeCp0X9K6qeWd0KQkR2ktbHtganYtz7suqRs7A/YvmQRiKkdM7Rw0Fr8g AbQPjPmMuKvWCS/icrJ20DEu27drA00OaH6DhYKhL2GJR+7JVSPvIW3T3FezA3gM3OJsOxvnOIk5n KyxudvdIWOcgSChaSACE5mE9hTcSi8WI3CuQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [192.168.20.60] ([94.134.158.25]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MOiHl-1r23r02Rvr-00Q8cc; Sat, 23 Sep 2023 20:37:17 +0200 Message-ID: <4eccc506-4ff1-6890-8f1a-a5f267dfa5ea@gmx.de> Date: Sat, 23 Sep 2023 20:37:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] video: fbdev: mmp: Annotate struct mmphw_ctrl with __counted_by Content-Language: en-US To: "Gustavo A. R. Silva" , Kees Cook Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, Nathan Chancellor , Nick Desaulniers , Tom Rix , linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-hardening@vger.kernel.org References: <20230922175137.work.062-kees@kernel.org> <6dae12b4-125c-a7be-4129-75065f7a5128@embeddedor.com> From: Helge Deller In-Reply-To: <6dae12b4-125c-a7be-4129-75065f7a5128@embeddedor.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:yedBhjjM8NxVuspZ3zErQHUL9LZ3Vf0+5s1SQjPq3DIPw6TJhiC osQATF9/F+uYJv+BHg/bbTPVAG1LGxO+d6yPczJjUr5oxU5nSng8K7yvKR5de14V1RsdcVY 2qV/2MyouEWEvWrawP/5/UbIUKVt/oATUsHVUR4CrPS6rIcvrHgeoG8FJqtlhv2tVB4cyTW jI0doyh2nzH0wqe0VwFog== UI-OutboundReport: notjunk:1;M01:P0:TRvVQzlGCos=;7gzqbw5vb4X85Go95YFUxHL4cLC f40zMWnupAvDHowlAlwfKtSVbKXMw37F/Db0xIiuFWYSaQVLNyCOUyO/SIVLYMDRXUx73wesn wjDlum2ZkJKUW1RMGjpkwi76akgZ3066ZVUFU31KLfCDOoTDI/bPqXSVhHhTuzy9feNQ457lJ r9E5haNbsLolJ3istYWVpB8QHWoIKctEuAMtZPvAU76b3SboIleAItIgw1GmVpnLtcqe5AmUL gLbVjoh5to16HedGADpgcooFKX9usURVzIqaksCBCb77pl3AkkKTKvWgaEnNQNybGNRxZWyDl vNI+b7VyWKHdC3rqz6qYumOIWtsY7EU5JtXDqykLXyKqSFGgB57O8tY4JaSRELFvoYNaKbxGF 0Qdx/HngSyboOfGQF5bJTG45MlR3kOHaNlRHL51G3HaubKnCgnhH1AiP2c8IBh9H3QdIJVji8 xXzHWsWsiyJY37tuZrgLHv4mjcxl5SZcgLwEHtorIzZVPJI+KJEckpNfkBOwlhOXA9LVwChcI 4xzFvlEOHGAL4DRkVgdNS5mo2EJYBNuTTvdL9mofHnV0RinTLucZPQ7KlLgrTmc1YFAVv5LCT 2Y2nmgHfb71zrQUu8uFb5cj6RuHoMSd/zeiGOOsCur0UWE/dHaMqnrs9sQg9ktpwA79FxDaXO YtBgxPPEA5jarLsXD7TGKQ9AASzkpYpTf0PacPdXRM4UbJ8IVI2x1dj9u6jVh7ON83atK7dXr fh+WnFiod5rnwdjGs6sHENWod0SQW3YLKzmXx4sRU5M28LSWFXptykzRobxUARh04UH7KFbcW OCAzQo47g7aSIZMcniErJbiRVjQmGW/jSr/Yds5gl5tW0tgFL+ak55nfQ9oHsyRkwEwBUcrIZ 3WBNXzFYGMNR/p78liQwldZsbjFiTwMJsjad4ecD+OLhTmSoz8qAlARmDLfRs46zSmFtgXcb8 KtvhQQ== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/23/23 18:33, Gustavo A. R. Silva wrote: > On 9/22/23 11:51, Kees Cook wrote: >> Prepare for the coming implementation by GCC and Clang of the __counted= _by >> attribute. Flexible array members annotated with __counted_by can have >> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOU= NDS >> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-famil= y >> functions). >> >> As found with Coccinelle[1], add __counted_by for struct mmphw_ctrl. >> >> [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples= /counted_by.cocci >> >> Cc: Helge Deller >> Cc: linux-fbdev@vger.kernel.org >> Cc: dri-devel@lists.freedesktop.org >> Signed-off-by: Kees Cook > > Reviewed-by: Gustavo A. R. Silva Both fbdev patches applied to fbdev git tree. Thank you Kees! Helge