Alexander Belopolsky added the comment:

I tried to produce a buffer overflow in get_parent (import.c), but an
attempt to import a module with non-ascii characters is aborted in
getargs.c before get_parent is reached:

>>> __import__("\u0080xyz")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: __import__() argument 1 must be string without null bytes,
not str

This looks like a bug.  At the very least the error message is
misleading because there are no null bytes in "\u0080xyz" string.


The offending code is 

                        if ((Py_ssize_t)strlen(*p) !=
PyUnicode_GetSize(arg)) 
                                return converterr("string without null
bytes", 
                                                  arg, msgbuf, bufsize);

at getargs.c:826


However, given the preceding "XXX WAAAAH!" comment, this is probably a
sign of not yet implemented feature rather than a bug.

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<http://bugs.python.org/issue1950>
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