From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 272AF5920 for ; Thu, 19 Jul 2018 19:08:26 +0200 (CEST) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1-us3.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 91736B40063; Thu, 19 Jul 2018 17:08:24 +0000 (UTC) Received: from [192.168.1.16] (85.187.13.33) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1044.25; Thu, 19 Jul 2018 18:08:19 +0100 To: Stephen Hemminger , References: <20180719162029.30962-1-stephen@networkplumber.org> From: Andrew Rybchenko Message-ID: <13794762-55be-14a4-4002-375723776772@solarflare.com> Date: Thu, 19 Jul 2018 20:08:13 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180719162029.30962-1-stephen@networkplumber.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Originating-IP: [85.187.13.33] X-ClientProxiedBy: ocex03.SolarFlarecom.com (10.20.40.36) To ukex01.SolarFlarecom.com (10.17.10.4) X-TM-AS-Product-Ver: SMEX-11.0.0.1191-8.100.1062-23978.003 X-TM-AS-Result: No--1.135700-0.000000-31 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-MDID: 1532020105-ML3pG3QID0Tx Subject: Re: [dpdk-dev] [RFC v2] mem: poison memory when freed X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jul 2018 17:08:26 -0000 On 19.07.2018 19:20, Stephen Hemminger wrote: > DPDK malloc library allows broken programs to work because > the semantics of zmalloc and malloc are the same. > > This patch enables a more secure model which will catch > (and crash) programs that reuse memory already freed if > RTE_MALLOC_DEBUG is enabled. > > Signed-off-by: Stephen Hemminger I like the idea, so Acked-by: Andrew Rybchenko