From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 1C7B56B0069 for ; Mon, 4 Dec 2017 11:42:46 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id n187so13523613pfn.10 for ; Mon, 04 Dec 2017 08:42:46 -0800 (PST) Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id y40si1411087pla.386.2017.12.04.08.42.44 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Dec 2017 08:42:45 -0800 (PST) Date: Mon, 4 Dec 2017 08:42:40 -0800 From: Christoph Hellwig Subject: Re: [PATCH v3 3/5] kasan: support alloca() poisoning Message-ID: <20171204164240.GA24425@infradead.org> References: <20171201213643.2506-1-paullawrence@google.com> <20171201213643.2506-4-paullawrence@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171201213643.2506-4-paullawrence@google.com> Sender: owner-linux-mm@kvack.org List-ID: To: Paul Lawrence Cc: Andrey Ryabinin , 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 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. -- 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