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 1D578223DE0; Tue, 22 Apr 2025 21:04:52 +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=1745355893; cv=none; b=QPKfbx5OsF3L4mMj+TZp5bEP1KECUWlcePdT7GNwIjOCs8or6oxMQwqEsbefXbnG+m16Ea5aSixZeyLnmtMfyjuP7Z7ePmpOZRepGENyeKUILEx1dcLesPCdaeNLRy+E50w1PQ/N1uW23wpchEJVTswooJV3HSPm0GUi2PcDUck= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745355893; c=relaxed/simple; bh=OfMRn5cKPjqwkvIxOVvn4Ays7J1E2hH2e0sfXVPWnkw=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=BDT1wpA4O2CGjt8xo2SEavBUvmcZUZaGGd8G5OxN81eRU0WPsWdq8wk7QrTFYz521PwMMg8486As5G6I7lrFb4MR9vegGsUn/pM46eOAOVTPph6Sf+QoR2llN5AIvgz5LsU2EUAKYn6VsTENdY86g+qmcEUUtIiYF0NF+bFBfcU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SAg4NmgM; 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="SAg4NmgM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0CE3C4CEE9; Tue, 22 Apr 2025 21:04:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745355892; bh=OfMRn5cKPjqwkvIxOVvn4Ays7J1E2hH2e0sfXVPWnkw=; h=Date:From:To:Cc:Subject:From; b=SAg4NmgMQrd4wuSXD6kwJqOqvBPSHoeL4cH+3n0Xv+A+wRdkpv0G68Pp/46eTtjHl hkWk5XUrM0h8BYqz31HcVL+tYGdweQG92e7CvqzjeNas1+tBJs4uIhRAnsTu7nBfGZ e4Bg2+q8iSuM0mrXSPmUEynshsqLAEzecJGzGOiKBEAKVUDbxP7vpN57OBHzbImaor pQEBoZxJbTZpmmREQSc9v1Vn6gNftPQIBuPrYkJtw302JvNXxDgsR7Ab6WEX4QpcJs NkGp7FfIkaJZHIOXBRHzNLZZang3c+xInqKdiUCRkpcK3UPV7oTGxcXdfTihIWhyb3 Z1UeDR74kJYHg== Date: Tue, 22 Apr 2025 15:04:48 -0600 From: "Gustavo A. R. Silva" To: Kees Cook , "Gustavo A. R. Silva" Cc: linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2][next] Add STACK_FLEX_ARRAY_SIZE() helper Message-ID: Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Add new STACK_FLEX_ARRAY_SIZE() helper to get the size of a flexible-array member defined using DEFINE_FLEX()/DEFINE_RAW_FLEX() at compile time. This is essentially the same as ARRAY_SIZE() but for on-stack flexible-array members. Gustavo A. R. Silva (2): overflow: Add STACK_FLEX_ARRAY_SIZE() helper kunit/overflow: Add tests for STACK_FLEX_ARRAY_SIZE() helper include/linux/overflow.h | 15 +++++++++++++++ lib/tests/overflow_kunit.c | 4 ++++ 2 files changed, 19 insertions(+) -- 2.43.0