[New-bugs-announce] [issue1217] infinite loop in re module

Andres Riancho report at bugs.python.org
Thu Sep 27 21:18:55 CEST 2007

New submission from 
					Andres Riancho

dz0 at dz0cybsec:/tmp$ python
Python 2.4.4 (#2, Aug 16 2007, 02:03:40) 
[GCC 4.1.3 20070812 (prerelease) (Debian 4.1.2-15)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> re.findall( '.*://(.*):(.*)@.*' , file('a.txt').read() )

===!infinite loop here!===
===!execute "kill pid"!===

dz0 at dz0cybsec:/tmp$

dz0 at dz0cybsec:/tmp$ dpkg -l python
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
||/ Name                              Version                          
ii  python                            2.4.4-6                          
An interactive high-level object-oriented language (default version)
dz0 at dz0cybsec:/tmp$ 

dz0 at dz0cybsec:/tmp$ uname -a
Linux dz0cybsec 2.6.21-2-k7 #1 SMP Wed Jul 11 04:29:08 UTC 2007 i686
dz0 at dz0cybsec:/tmp$ 

See attached a.txt file.

components: Regular Expressions
files: a.txt
messages: 56178
nosy: andresriancho
severity: normal
status: open
title: infinite loop in re module
type: resource usage
versions: Python 2.4

Tracker <report at bugs.python.org>
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