[Python-Dev] Challenge: Please break this! (a.k.a restricted mode revisited)

[Oleg Broytman]

On Mon, Apr 11, 2016 at 01:09:19PM +1000, Steven D'Aprano <steve at pearwood.info> wrote:
> On Sun, Apr 10, 2016 at 08:12:30PM -0400, Jonathan Goble wrote:
> > On Sun, Apr 10, 2016 at 7:02 PM, Oscar Benjamin
> > <oscar.j.benjamin at gmail.com> wrote:
> > > I haven't looked at your sandbox but for a different approach try this one:
> > >
> > >   L = [None]
> > >   L.extend(iter(L))
> > >
> > > On my Linux machine that doesn't just crash Python.
> > 
> > For the record: don't try this if you have unsaved files open on your
> > computer, because you will lose them. When I typed these two lines
> > into the Py3.5 interactive prompt, it completely and totally froze
> > Windows to the point that nothing would respond and I had to resort to
> > the old trick of holding the power button down for five seconds to
> > forcibly shut the computer down.
> 
> 
> I think this might improve matters:
> 
> http://bugs.python.org/issue26351
> 
> although I must admit I don't understand why the entire OS is effected.

   Memory exhaustion?

> -- 
> Steve

Oleg.
-- 
     Oleg Broytman            http://phdru.name/            phd at phdru.name
           Programmers don't die, they just GOSUB without RETURN.