From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793619161; b=f+BpSNAc11tiKaIz8YJlSu+WXzhY2YSuYDkwJ7AvnS2YClVy/NuriXuF3R2+7euoxQXc VMC4NAY2K1Iq/PVr243yozLHryHwjSjzzEEqYbGOBCkyXWcEXjLt/ybLE7CaFZgkODoum OpLV2OpCYpfSxoHZaeMe0j9la/TPl93ZLaYFhr+hyfBoqxd9yJMBCyc7fBRhX+7sPHZbO 2yWAhqCCUxm1hR44y9yY2vd/nrIeiXDceW5zBmlgh0OmpyAG7obfS0XihF6n6jrMnvA4b 7qTbps7raWL5I5pdF9RrVxK5Yo/ilKFPK46Gsw7DRQu9vwGWKr3qwHSGbsD4bdGE85g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793619161; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:X-Developer-Signature:X-Developer-Key: Content-Transfer-Encoding; bh=LjKk0srtI1K5SrmFvikHzgWRkQar4AFheDwlU5TRYH0=; b=4QmmELh6afziqMp+E1YcVn4UnDkKGTWyvQFIXevXd1oBX9HJzzjUrZF4mkhBFaZ14PrS 47RPhpeS9cZt9xdD0NW8GYalCzGHPyip7S9kHX7LCTktP1QTJvPlhvOhgSEWtnMs8TFip m6liScS91QIGFo4WL42xxXYh9TglncxvSgfNC2bgMxjWMFI7rrGD0FsIhMd60o2vLtIrr ZK7M7CzGzh3+i0rt0Ki079d0GJNVNNsj4uoekNF3LzlevC3dnv/QCQQgdAC29/HWe+JUU BTaNKkKEZeGSIktUUC19ya8SsXIVUiqq+c1faSf3BGFLFS8JZZasUYnH/HLys6RmXvA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="i+0a/UMX"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1984606A324; Mon, 2 Nov 2026 11:32:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=i+0a/UMX Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C0161F00A16; Mon, 2 Nov 2026 11:32:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793619160; bh=LjKk0srtI1K5SrmFvikHzgWRkQar4AFheDwlU5TRYH0=; h=From:To:Cc:Subject:Date; b=i+0a/UMXoYM3PVHhucyzMzzQwN5OhYTrY9kOGxLdf31G/Otv/7EILmhaWX2mVRLHJ 6L+0TWe/736ifb0aCyCn6M8zIoXjdi5kIwfGTebI2omWeLzGq8/bYyuEpTqkfXgOK8 WBGBXodhRBk2FA4W4mhzhBwZ7wRrvRZ7SU75TVPgAVspFOxcGoo1BFnzArahpTvhe/ zU+x/Js8J6gl5LTiS3bPf/3mj3s8rG8TEuj+sIKhiacTfQT+CGvFEEKgnVwk6bIAQO s7Sf/jJdqKBgzELa0P7vOVGr0vX1Eyw1LCKjXP7NstnnqFKvwTPUUCESviIQI5xOqD GRFcmM6oKm1QQ== From: Thorsten Blum To: Mark Brown , Kees Cook , "Gustavo A. R. Silva" Cc: Thorsten Blum , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH] regmap: Annotate regmap_access_table members with __counted_by_ptr() Date: Mon, 2 Nov 2026 12:30:20 +0100 Message-ID: <20261102113019.265822-2-blum@kernel.org> X-Mailer: git-send-email 2.56.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=929; i=blum@kernel.org; h=from:subject; bh=OIfpaBPGxZ9VM1pOT/Tf1iGmH2vnUYMGiWMla28rclE=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDFkvSnw2Tcyc/uc+h8zZ4r7Fj37sqJ/o+6ZY/4XvM31WI UGvvqNRHaUsDGJcDLJiiiwPZv2Y4VtaU7nJJGInzBxWJpAhDFycAjAR1y5Ghu51j7vENpQ85Hr7 yn4Sk/vdrW2xp6Z9DeG+3/ji+UvB5CpGhlcPorarxHzl/G85P/Jg4s4L7Xltyx2XzBNUbXx1smL RBUYA X-Developer-Key: i=blum@kernel.org; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit Add __counted_by_ptr() to regmap_access_table::yes_ranges and regmap_access_table::no_ranges to improve access bounds checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE. Signed-off-by: Thorsten Blum --- include/linux/regmap.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/regmap.h b/include/linux/regmap.h index c8aebd148e08..a72f17ab6264 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -248,9 +248,9 @@ struct regmap_range { * check function will return true. "no_ranges" are searched first. */ struct regmap_access_table { - const struct regmap_range *yes_ranges; + const struct regmap_range *yes_ranges __counted_by_ptr(n_yes_ranges); unsigned int n_yes_ranges; - const struct regmap_range *no_ranges; + const struct regmap_range *no_ranges __counted_by_ptr(n_no_ranges); unsigned int n_no_ranges; };