From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from omta036.useast.a.cloudfilter.net (omta036.useast.a.cloudfilter.net [44.202.169.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C105382F2F for ; Tue, 17 Mar 2026 23:37:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=44.202.169.35 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773790634; cv=none; b=M6jb7rMdds+ZPtkIXN8xwJyiJ7IGNpBiWk/UYqTc7z1yJooAYFBpHuPG7LaBHkZ5nNnz/ypwqtoZwkFCgMjefvhhs+Onnym/GqZzUXAFr+lNtHuWa6cnmfMh8Pl5NM2hvE3/9orkwe0Z+ca1AVcvPxS3R5Wppe6ntSVdWM1WOTU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773790634; c=relaxed/simple; bh=4N87Bkgtb0/aGn4yfIfymyt96koi5R0U5OOrJR6hay8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=YXmOgKq71QkLq+LXVk/Ko9FB1TesAPxX54/qHgx55XAQBL32ntxjfnToOI76KFIlTCqUy+Ihep12V4H7yCh0JhF/9cFNShrPKXEJE+VFBeRhMFyleHJBSG2nWW/K1Q1fqWU9DrZ7bpMbP9s6VRIuPzTHV9RSbJXk6ZoNpCjuPZg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com; spf=pass smtp.mailfrom=embeddedor.com; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b=LUyho57F; arc=none smtp.client-ip=44.202.169.35 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=embeddedor.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=embeddedor.com header.i=@embeddedor.com header.b="LUyho57F" Received: from eig-obgw-5004b.ext.cloudfilter.net ([10.0.29.208]) by cmsmtp with ESMTPS id 2a4zwz8yGKXDJ2dyDwRYrL; Tue, 17 Mar 2026 23:37:05 +0000 Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with ESMTPS id 2dyCwkpbTqfpW2dyCwu9Ez; Tue, 17 Mar 2026 23:37:04 +0000 X-Authority-Analysis: v=2.4 cv=A55sP7WG c=1 sm=1 tr=0 ts=69b9e5a1 a=1YbLdUo/zbTtOZ3uB5T3HA==:117 a=k5Y5iPg+dmTXVWgYE/XtfQ==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=7T7KSl7uo7wA:10 a=VwQbUJbxAAAA:8 a=5vZi_tIctBNeQFYZvx8A:9 a=QEXdDO2ut3YA:10 a=2aFnImwKRvkU0tJ3nQRT:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=embeddedor.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=sDIz43D4MTuOarQG71u0YgFU0v977L2RxVybNkE8u+4=; b=LUyho57FaqByRfJY7uhMTFmu2S JtvA8JfGgXdiudXrchA0Ne/x/yclFIlMivpsXOevHirW5mjG/icJGiTomPM944RHVFmL96nWTmfbf 0OHakIJxjnSoVrU4ROHvZ6m6HnQGzW17aca0t5fDloRsihkysr7Gh1NC13gYw5ykkbNKanAPYAwX3 ZOl6Fnzyv+XdMK8DiJpToUkVbAaVXuNLyL90Cnml9v2GZJ+wQyyhgc3WQAUWQQT4YWd9f7CZoNVUx IbnseujQlUkv6pZY5YwQvJt7q72HYKUyhCFr0WLWS+v0YgGP388H1jJ7N+E3jkXuLlpo6PdDlVIkD xU9H6wJw==; Received: from [177.238.16.13] (port=58304 helo=[192.168.0.104]) by gator4166.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.99.1) (envelope-from ) id 1w2dy9-00000004JzL-3q9f; Tue, 17 Mar 2026 18:37:02 -0500 Message-ID: Date: Tue, 17 Mar 2026 17:35:39 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] crypto: nx - annotate struct nx842_crypto_header with __counted_by To: Thorsten Blum , Haren Myneni , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Herbert Xu , "David S. Miller" , Kees Cook , "Gustavo A. R. Silva" Cc: linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org References: <20260317201804.1393389-3-thorsten.blum@linux.dev> Content-Language: en-US From: "Gustavo A. R. Silva" In-Reply-To: <20260317201804.1393389-3-thorsten.blum@linux.dev> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 177.238.16.13 X-Source-L: No X-Exim-ID: 1w2dy9-00000004JzL-3q9f X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.0.104]) [177.238.16.13]:58304 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 2 X-Org: HG=hgshared;ORG=hostgator; X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfNl+4vmYEuQGDssguDzbnuHzvpGtB1jNLUTiypsH67Q6wuX/fDbSmW0MQZUHjybC8Fcd7XKdhXWQ3r6KHovYzbV4sUlDzVgbHIelCNF/T/EPLb2ttW91 AnRVu1V7htdJCMnj9Ss+rfyfGlswy2jEr6+m9WQ+UXgr8ei5XsGlowKQQ+DD6yf68Qx6JiQnwVSqu9XFTiihEOO7EubhowDbWCXIxmqPQTCLNcsTDXrTXBk6 On 3/17/26 14:18, Thorsten Blum wrote: > Add the __counted_by() compiler attribute to the flexible array member > 'group' to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and > CONFIG_FORTIFY_SOURCE. > > Signed-off-by: Thorsten Blum Reviewed-by: Gustavo A. R. Silva Thanks -Gustavo > --- > drivers/crypto/nx/nx-842.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h > index f5e2c82ba876..a04e85e9f78e 100644 > --- a/drivers/crypto/nx/nx-842.h > +++ b/drivers/crypto/nx/nx-842.h > @@ -164,7 +164,7 @@ struct nx842_crypto_header { > __be16 ignore; /* decompressed end bytes to ignore */ > u8 groups; /* total groups in this header */ > ); > - struct nx842_crypto_header_group group[]; > + struct nx842_crypto_header_group group[] __counted_by(groups); > } __packed; > static_assert(offsetof(struct nx842_crypto_header, group) == sizeof(struct nx842_crypto_header_hdr), > "struct member likely outside of struct_group_tagged()"); >