From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 31E406FBF; Tue, 26 Nov 2024 11:14:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732619660; cv=none; b=ieHt3zO21uLpeZfqqRzAlTw3ngKw1MV2D4uXir1teIxwyH+RxQd6sGfapetTBLCrNqb25ErYZGhd03ihstkhUytjuzvlrwiKDmvhXVPPUB/pcohHpo1/Xpm2fUCkSPFr5EBSXRFj+lmyJ0lHvJbXG1CXSfR8u28u5HrEKpOdGis= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732619660; c=relaxed/simple; bh=tTe62G9kzjRm7P8y1MeRTnZ/81FyiRVWZnfsaP8nYqk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JWnkk7F0fatgL8ANSTzMbBY1ZSuPfSkKDkV7wS6kEVR6+vEekWVgfNQSzoSgdcBW9CCe5V2xlzeNqxue+btCWjb/B/vDGKNsCuSgsHlCJH/qdhpkmEbAQtCuznuT8lgX9X4t6/3vK5TvteTg5GrI9CJkk4pCoBCsPGud7XzQtQk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=FjGN19xZ; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="FjGN19xZ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Transfer-Encoding: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=6f8pASCX3YMZO2HkrOz4zx7oYaQA5EGdeMODBcpzTXw=; b=FjGN19xZujmTaXu+REWzuQ/1n/ Z9eYYiyXrGaDTfNAWfVLgs9ff69bEQvs9AtiMSvmeJiOIdoerAq895mtKtzqnmUBWuRESovq5vJvW eAgmdwL9DziyLf1oM871MxBVCHBWv2NPlarcEplzqdO4+rxx3h0tXlxUxkkvojq1sDHQrEblrnBmA vt8t2jPcTHf8F9Gdq04NvvVFoJVGyyp87hxnIF9KGlm6pzItRTTFYeYxPEPpivgstwDm/Rc5Fp55v ltpoGuicmvHaQDkdeZfuZThePOITctYeCVchCJCV2qSju3weRqIkfcVBLNvNjyau17rXdL7IyT5ny 6A9+javA==; Received: from 77-249-17-89.cable.dynamic.v4.ziggo.nl ([77.249.17.89] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tFtW8-0000000DSaL-2WRZ; Tue, 26 Nov 2024 11:14:06 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 6821E3002A2; Tue, 26 Nov 2024 12:14:05 +0100 (CET) Date: Tue, 26 Nov 2024 12:14:05 +0100 From: Peter Zijlstra To: Alice Ryhl Cc: Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Sami Tolvanen , Miguel Ojeda , Kees Cook , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Matthew Maurer , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, scott.d.constable@intel.com Subject: Re: [PATCH v2 0/2] Rust KCFI support Message-ID: <20241126111405.GM38837@noisy.programming.kicks-ass.net> References: <20240801-kcfi-v2-0-c93caed3d121@google.com> <20241126091934.GP39245@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Tue, Nov 26, 2024 at 10:37:13AM +0100, Alice Ryhl wrote: > On Tue, Nov 26, 2024 at 10:19 AM Peter Zijlstra wrote: > > > > On Thu, Aug 01, 2024 at 01:35:16PM +0000, Alice Ryhl wrote: > > > The control flow integrity (kCFI) sanitizer is an important sanitizer > > > that is often used in production. This patch series makes it possible to > > > use kCFI and Rust together. > > > > So about this -- there's a proposal for a modification to kCFI here: > > > > https://github.com/llvm/llvm-project/pull/117121 > > > > And Sami notes that this would break this Rust thing. Assuming all the > > relevant crabs are present on this thread, could you please comment? > > Thanks for sharing this link. I'll leave a comment. Thanks!