From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8A34A500941; Sat, 17 Jan 2026 19:02:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768676543; cv=none; b=D6gqq/EctMnCsmG8duD0XZfVP+UNVEIckZN6hyH3UVovvLu2SU/6/xFhCgtv8pkvUOFi9uU4w3+wusrBNDzhXj1HwCUasD/sDPS56zfl4LZ43f+dqRG75Rvsl+p8J8dDU4tm1qGT+S6fFWwT2QEh+8wBWh1v5Zu99JldFanaUSM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768676543; c=relaxed/simple; bh=lXRlHG0I/urvEOJ/ZPod4ZwF9nmubADIdX1NlkM0amQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=FMIhMRPYyd2eyyqdPp041MfmkQHN+xbFHovXGXzJccDmv072GDoqD5OB3FCzL+wD4Sbh+BiLqCIYmz7mciovSjD/4tMjfLVSCrKuLZsVxS3/TMQeKitSFUL6WpqMfiyxj+/fD1KIjYVWNY+3uUz/q3KuncVJ/awOI6cOgHBAnfE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g5VEoSZ/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="g5VEoSZ/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09A9CC4CEF7; Sat, 17 Jan 2026 19:02:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768676543; bh=lXRlHG0I/urvEOJ/ZPod4ZwF9nmubADIdX1NlkM0amQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g5VEoSZ/dCskniOvTB/BR6Gpis5HfpUFUDue9ftQzgDGXdnMQTHnoQrm6oP5abjrd mLVIAzVtJu4LZRzHBJWKJ1vT06MO4x2D1vvRk9x8fklfDr6aMouNX2t/yjBP8W951l ++2INDVc2NXuXf5f3LQUZ2jAJbDkhbjdQi6GaQEB93bM/m+xpWYZrAZZ+hdQmImrXh A5yLInDiPSBTaIpq8Utvx3fZfP6E2Szg6lFrAGH9/m0N5RCWE9S/gA1A/+28wfgMfR 8ZAyFKeozKEmbPmjCORtwrnlhyjk9LO7yAs1Xj3fzGdw0Bp3ljZpn065twJA+mDpfa 5fzf40hNQGndg== From: Kees Cook To: Bill Wendling Cc: Kees Cook , "Gustavo A. R. Silva" , Nathan Chancellor , Nick Desaulniers , Justin Stitt , Miguel Ojeda , Peter Zijlstra , Andrew Morton , Heiko Carstens , Marc Herbert , Uros Bizjak , Tejun Heo , Jeff Xu , =?UTF-8?q?Michal=20Koutn=C3=BD?= , Shakeel Butt , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , John Stultz , Christian Brauner , Randy Dunlap , Brian Gerst , Masahiro Yamada , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, llvm@lists.linux.dev, Nicolas Schier , Tamir Duberstein , Steven Rostedt , "Jason A. Donenfeld" , "H. Peter Anvin" , Naman Jain , Simon Horman , Jakub Kicinski , Paolo Abeni , Ingo Molnar , Thomas Gleixner , Douglas Anderson , linux-kbuild@vger.kernel.org Subject: Re: [PATCH v4 1/2] Compiler Attributes: Add __counted_by_ptr macro Date: Sat, 17 Jan 2026 11:01:58 -0800 Message-Id: <176867651549.3159467.11181679674842979666.b4-ty@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260116005838.2419118-1-morbo@google.com> References: <20260116005838.2419118-1-morbo@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Fri, 16 Jan 2026 00:57:57 +0000, Bill Wendling wrote: > Introduce __counted_by_ptr(), which works like __counted_by(), but for > pointer struct members. > > struct foo { > int a, b, c; > char *buffer __counted_by_ptr(bytes); > short nr_bars; > struct bar *bars __counted_by_ptr(nr_bars); > size_t bytes; > }; > > [...] Applied to for-next/hardening, thanks! [1/2] Compiler Attributes: Add __counted_by_ptr macro https://git.kernel.org/kees/c/150a04d817d8 Take care, -- Kees Cook