From owner-freebsd-hackers Tue Jul 20 10:37:42 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from isbalham.ist.co.uk (isbalham.ist.co.uk [192.31.26.1]) by hub.freebsd.org (Postfix) with ESMTP id 6E82615347 for ; Tue, 20 Jul 1999 10:37:18 -0700 (PDT) (envelope-from rb@gid.co.uk) Received: from gid.co.uk (uucp@localhost) by isbalham.ist.co.uk (8.9.2/8.8.7) with UUCP id SAA16612; Tue, 20 Jul 1999 18:36:08 +0100 (BST) (envelope-from rb@gid.co.uk) Received: from [194.32.164.2] by seagoon.gid.co.uk; Tue, 20 Jul 1999 18:33:19 +0100 (BST) X-Sender: rb@194.32.164.1 Message-Id: In-Reply-To: <005101bed2d5$433a16e0$291c453f@kbyanc.alcnet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 20 Jul 1999 18:33:17 +0000 To: "Kelly Yancey" From: Bob Bishop Subject: RE: Overcommit and calloc() Cc: , Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, At 1:28 pm -0400 20/7/99, Kelly Yancey wrote: >[...] > On recent thought though, I seem to recall having read in the 4.4BSD >Daemon book that having the kernel zero memory is not the preferred >practice, but present because when they tried to stop many progrems dies >which assumed memory was initialized to zero. Handing out unzeroed memory is a potential security hole. -- Bob Bishop (0118) 977 4017 international code +44 118 rb@gid.co.uk fax (0118) 989 4254 between 0800 and 1800 UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message