Public bug reported:
Running Ubuntu 10.04 with python-psycopg2 version 2.0.13-2ubuntu2 and
python version 2.6.5-0ubuntu1.
Reporting the bug here because I have no idea how to contact the
psycopg2 maintainer (the psycopg2 website simply says "the mailing lists
are currently unavailable").
Executing the following commands will produce a segfault:
$ python
Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import psycopg2.extensions
>>> val = psycopg2.extensions.adapt([1,2,3])
>>> str(val)
Segmentation fault
After patching the function list_str in adapt_list.c (line 88) to use
the correct Python calling convention, the bug is resolved:
$ python
Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
[GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import psycopg2.extensions
>>> val = psycopg2.extensions.adapt([1,2,3])
>>> str(val)
'ARRAY[1, 2, 3]'
See attached patch; it's a simple one-line change. I don't recall this
particular code giving me trouble before, so I suspect that python 2.5
and earlier had a different implementation of PyArg_ParseTuple() which
would return to the caller immediately if the format string was empty,
and thus this bug has gone unnoticed.
** Affects: psycopg2 (Ubuntu)
Importance: Undecided
Status: New
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psycopg2 segfaults when trying to adapt() a Python list
https://bugs.launchpad.net/bugs/663211
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