buffer overflow

Florian Schulze florian.proff.schulze at gmx.net
Fri Jan 17 17:06:48 CET 2003


On Thu, 16 Jan 2003 21:36:10 -0800 Chad Netzer <cnetzer at mail.arc.nasa.gov> wrote:

> On Thursday 16 January 2003 20:47, Tim Peters wrote:
> 
> > [Martin v. Loewis]
> > > Python does not support buffer overflows, sorry.
> 
> > [pmaney at pobox.com]
> > > I'm sure they could be added by a C extension module.
> >
> > They already were, and, curiously enough, by the builtin
> > bufferobject.c. That supplies the builtin, little understood, and
> > easily abused buffer object.  For fun, run this:
> 
> [snip]
> 
> > Chances are high it will die with a segfault before going around the
> > loop 20 times,
> 
> My Debian Linux system seems to be missing this feature, in either 2.1 
> or 2.2.
> 
>   <:-)> I thought python code was supposed to be portable. </:-)>
> 
> -- 
> Bay Area Python Interest Group - http://www.baypiggies.net/
> 
> Chad Netzer
> 
> 


This should easily be resolved by proper reference counting. Then it would
point to the old list object, but I think seen pythonically this is even
correct.

Florian









More information about the Python-list mailing list