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 F18043D3B3; Thu, 4 Sep 2025 02:43:02 +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=1756953783; cv=none; b=f6xYzit4/51NHHt1iTHtUiqQYnuKrZOT+PJWtdRaADk5m81lHinYF1REMbkqkQH9zw9P3OE18gcQPJEFphAGElvhHx3py8ddhezB+IfYvqnAMPjaa/9MMtjXrVoCJ8aQJkhXE0dBv9ctFdT6kAlddQiUGW95h9nGuyfY62cpmzs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756953783; c=relaxed/simple; bh=zPXfcP6u5ldvZ0n0AJVf3O40vfM/a3dstYlcI1bi8cU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A/O/GCnKjFeEQUTJ2WDndCOq1FCgHJPwr0yStc1zsZeXkDWfuP6Uwe65oIMKf6boHdWJAzxFtAzz8BdIfqZXhEJ2ne1MdMbsvAr6jbq4wmThhfzP613/mQkH0D+DPz7te1CmvVR/uaD22Jg2+uUUY6367QbKEi7GQcVxVxxy/Cw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iCAkafBm; 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="iCAkafBm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4B86C4CEE7; Thu, 4 Sep 2025 02:43:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756953782; bh=zPXfcP6u5ldvZ0n0AJVf3O40vfM/a3dstYlcI1bi8cU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iCAkafBmBXwbyBz65mxgzRKbaJ2jy9doEOh4i669NW6QqmvWF30A76KQuQNzPvbTb mZoVQJcI4e/vFmesyozumwb/xWZ52kUGC8AN4WeQonRBlD8JURgBDtTLvcziZNWbp2 LaAbuJAPF+sKB4xHZHOysRb+mmf2/SqCeuYgTIi8aKl4LlRj0url5bR2qlO/oBAWWc KtN1+7NgxKalF0YHIt2pJaRD4uNkRGmggHdRcnYe8oJgTRgoUMd+dfhvk4zOdoKXMR pJcr6amhOTmjZFcqBg6SxzjA+c9WhnexgGsd7bdC3H7mwYUjdhVtHmfHXmEQDfLPsh XmorXH/sYYCXQ== Date: Wed, 3 Sep 2025 19:43:02 -0700 From: Kees Cook To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" , linux-hardening@vger.kernel.org Subject: Re: [PATCH 3/3] overflow: add range_overflows() and range_end_overflows() Message-ID: <202509031942.A1669D10F@keescook> References: <20250829174601.2163064-1-jani.nikula@intel.com> <20250829174601.2163064-3-jani.nikula@intel.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=us-ascii Content-Disposition: inline In-Reply-To: <20250829174601.2163064-3-jani.nikula@intel.com> On Fri, Aug 29, 2025 at 08:46:01PM +0300, Jani Nikula wrote: > Move the range_overflows() and range_end_overflows() along with the _t > variants over from drm/i915 and drm/buddy to overflow.h. > > Cc: Kees Cook > Cc: Gustavo A. R. Silva > Cc: linux-hardening@vger.kernel.org > Signed-off-by: Jani Nikula Looks good to me! :) Reviewed-by: Kees Cook -- Kees Cook