[171048] in North American Network Operators' Group
Re: [[Infowarrior] - NSA Said to Have Used Heartbleed Bug for Years]
daemon@ATHENA.MIT.EDU (Barry Shein)
Wed Apr 16 22:51:19 2014
From: Barry Shein <bzs@world.std.com>
Date: Wed, 16 Apr 2014 22:50:40 -0400
To: Glen Turner <gdt@gdt.id.au>
In-Reply-To: <9E5AB9F0-CC61-4699-97FB-F5BFBAF79B5A@gdt.id.au>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On April 17, 2014 at 10:03 gdt@gdt.id.au (Glen Turner) wrote:
> Jason Iannone wrote:
> > I can't cite chapter and verse but I seem to remember this zeroing
> > problem was solved decades ago by just introducing a bit which said
> > this chunk of memory or disk is new (to this process) and not zeroed
> > but if there's any attempt to actually access it then read it back as
> > if it were filled with zeros, or alternatively zero it.
Actually those were my words trying to describe kernel management of
disk blocks, sparse files, etc, not user space.
-b