From owner-freebsd-security@FreeBSD.ORG Wed Mar 11 18:30:40 2015 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1D1595B4 for ; Wed, 11 Mar 2015 18:30:40 +0000 (UTC) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id D9F28924 for ; Wed, 11 Mar 2015 18:30:39 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.9/8.14.9) with ESMTP id t2BIUcBW041059; Wed, 11 Mar 2015 14:30:38 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <550089CD.8040903@sentex.net> Date: Wed, 11 Mar 2015 14:30:37 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: Konstantin Belousov , freebsd-security@freebsd.org Subject: Re: DRAM Rowhammer exploits References: <54FFF8AD.90507@freebsd.org> <20150311181346.GH2379@kib.kiev.ua> In-Reply-To: <20150311181346.GH2379@kib.kiev.ua> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.75 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Mar 2015 18:30:40 -0000 On 3/11/2015 2:13 PM, Konstantin Belousov wrote: > I just made somewhat dirty port of the double_sided program, available at > https://github.com/kostikbel/rowhammer-test/tree/freebsd How many iterations does it usually take to trip up the bug if its there ? ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/