[Python-Dev] segfault in struct module
Gregory P. Smith
greg at krypto.org
Wed Jun 11 08:31:23 CEST 2008
On Tue, Jun 10, 2008 at 9:04 AM, Jean-Paul Calderone <exarkun at divmod.com>
wrote:
>
> exarkun at charm:~$ ~/Projects/python/trunk/python
> Python 2.6a3+ (trunk:63964, Jun 5 2008, 16:49:12)
> [GCC 4.0.3 (Ubuntu 4.0.3-1ubuntu5)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import struct
> >>> struct.pack("357913941c", 'a')
> Segmentation fault
> exarkun at charm:~$
>
> The unit test for exactly this case was deleted in r60892. I would like to
> suggest that just deleting unit tests isn't a very good idea.
>
> Jean-Paul
>
That deletion was apparently in the release25-maint branch where this bug
has been fixed in order to avoid the test case from allocating 8gb on 64bit
hosts where it wouldn't need to raise a MemoryError (
http://bugs.python.org/issue2137). However it looks like it was never
committed to trunk. (release25-maint r60793 has a lot of fixes)
I'm looking into merging the fixes into trunk.
Martin, since you committed 60793 in Feb, any others like this that need
merging from release25-maint to trunk off the top of your head?
-Greg
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