From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id AC12E6B0272 for ; Mon, 4 Dec 2017 11:52:18 -0500 (EST) Received: by mail-pf0-f198.google.com with SMTP id m9so13567884pff.0 for ; Mon, 04 Dec 2017 08:52:18 -0800 (PST) Received: from EUR01-DB5-obe.outbound.protection.outlook.com (mail-db5eur01on0118.outbound.protection.outlook.com. [104.47.2.118]) by mx.google.com with ESMTPS id d62si9672058pga.87.2017.12.04.08.52.17 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 04 Dec 2017 08:52:17 -0800 (PST) Subject: Re: [PATCH v3 3/5] kasan: support alloca() poisoning References: <20171201213643.2506-1-paullawrence@google.com> <20171201213643.2506-4-paullawrence@google.com> <20171204164240.GA24425@infradead.org> From: Andrey Ryabinin Message-ID: Date: Mon, 4 Dec 2017 19:55:37 +0300 MIME-Version: 1.0 In-Reply-To: <20171204164240.GA24425@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Hellwig , Paul Lawrence Cc: Alexander Potapenko , Dmitry Vyukov , Masahiro Yamada , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kbuild@vger.kernel.org, Matthias Kaehlcke , Michael Davidson , Greg Hackmann On 12/04/2017 07:42 PM, Christoph Hellwig wrote: > I don't think we are using alloca in kernel mode code, and we shouldn't. > What do I miss? Is this hidden support for on-stack VLAs? I thought > we'd get rid of them as well. > Yes, this is for on-stack VLA. Last time I checked, we still had a few. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org