An unusual question...
rosuav at gmail.com
Mon Apr 18 11:57:00 CEST 2011
On Mon, Apr 18, 2011 at 7:53 PM, <wisecracker at tesco.net> wrote:
> Talking of nefarious usage...
> I wonder what this would do left unchecked on a current machine and current Python install...
> global somestring
> somestring = " "
> while 1:
> #print somestring
> somestring = somestring + " "
It'd take a while, but eventually bomb with MemoryError. If instead
you double the string's length with
"somestring=somestring+somestring", it'll bomb a lot quicker.
I know because I tried it. We have an isolation environment in which
we'll be allowing our clients to provide Python scripts - which means
we have to be sure it'll all be safe.
BTW, the point at which it bombs is defined by ulimit/rlimit, unless
you fiddle with the memory allocator. See previous thread on the
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