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gh-139817: Fix refleak in TypeAliasType(qualname=non_string) #140197

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Merged
merged 2 commits into from
Oct 16, 2025
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gh-139817: Fix refleak in TypeAliasType(qualname=non_string) #140197

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gh-139817: Fix refleak in TypeAliasType(qualname=non_string)
encukou Oct 16, 2025
11d3641
Move obtaining module
encukou Oct 16, 2025
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1 change: 1 addition & 0 deletions Objects/typevarobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2134,6 +2134,7 @@ typealias_new_impl(PyTypeObject *type, PyObject *name, PyObject *value,
} else {
if (!PyUnicode_Check(qualname)) {
PyErr_SetString(PyExc_TypeError, "qualname must be a string");
Py_DECREF(module);
return NULL;
}
}
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@efimov-mikhail efimov-mikhail Oct 16, 2025 •
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IMO, it's better to place obtaining of module after qualname related if-block and remove a call of Py_DECREF(module).

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