1 diff --git Python-2.6.4/Modules/posixmodule.c Python-2.6.4/Modules/posixmodule.c

     2 --- Python-2.6.4/Modules/posixmodule.c

     3 +++ Python-2.6.4/Modules/posixmodule.c

     4 @@ -1997,6 +1997,8 @@

     5      char *res = NULL;

     6      PyObject *dynamic_return;

     7  

     8 +    int maxsize = pathconf(".", _PC_PATH_MAX);

     9 +

    10      Py_BEGIN_ALLOW_THREADS

    11      do {

    12          bufsize = bufsize + bufsize_incr;

    13 @@ -2013,7 +2015,7 @@

    14          if (res == NULL) {

    15              free(tmpbuf);

    16          }

    17 -    } while ((res == NULL) && (errno == ERANGE));

    18 +    } while ((res == NULL) && (errno == ERANGE) && (bufsize < maxsize));

    19      Py_END_ALLOW_THREADS

    20  

    21      if (res == NULL)