From owner-freebsd-security@FreeBSD.ORG Tue Jun 20 04:16:55 2006 Return-Path: X-Original-To: freebsd-security@freebsd.org Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7738716A47A for ; Tue, 20 Jun 2006 04:16:55 +0000 (UTC) (envelope-from neiro21@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.179]) by mx1.FreeBSD.org (Postfix) with ESMTP id 08BD543D48 for ; Tue, 20 Jun 2006 04:16:52 +0000 (GMT) (envelope-from neiro21@gmail.com) Received: by py-out-1112.google.com with SMTP id e30so1463791pya for ; Mon, 19 Jun 2006 21:16:52 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=r9LKf1nERDIzqrEJA5ZIvywp6mPNP6bnPDLBH84AgUl6NhGVEk7RJF4vZdGrmzaa3hxSyPBQ2pzNOfN//fsQK0NAcfE/NZyLnERgufQyjF84kDZYj3claO5SUAhUPjV2+jqAEQIRNQlWIQurLBmhMc7HM8hgIIbVeQfvEfwWbh8= Received: by 10.35.101.9 with SMTP id d9mr6430175pym; Mon, 19 Jun 2006 21:16:52 -0700 (PDT) Received: by 10.35.125.6 with HTTP; Mon, 19 Jun 2006 21:16:52 -0700 (PDT) Message-ID: <3bcb4e3f0606192116t58fda53ci55dd1d596b8f5842@mail.gmail.com> Date: Tue, 20 Jun 2006 08:16:52 +0400 From: "Nick Borisov" To: "Nick Withers" , freebsd-security@freebsd.org In-Reply-To: <20060620125350.10d0c9ef.nick@nickwithers.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060618203903.31161.qmail@web30306.mail.mud.yahoo.com> <44967861.6070509@obluda.cz> <20060620125350.10d0c9ef.nick@nickwithers.com> Cc: Subject: Re: memory pages nulling when releasing X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Jun 2006 04:16:55 -0000 2006/6/20, Nick Withers : > * Alright, it doesn't zero, as such, but will (again, unless > I've misunderstood the malloc(3) man page) initialise each byte > to 0xd0 There's "Z" malloc option that's used to initialise page with zeros instead of 0xd0