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Issue #16447: Fix potential segfault when setting __name__ on a class.

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This commit is contained in:
Mark Dickinson 2013-04-13 15:26:58 +01:00
parent eff6444751
commit 64aafeb4de
3 changed files with 21 additions and 1 deletions
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5
Objects/typeobject.c
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@ -298,10 +298,13 @@ type_set_name(PyTypeObject *type, PyObject *value, void *context)
Py_INCREF(value);
Py_DECREF(et->ht_name);
/* Wait until et is a sane state before Py_DECREF'ing the old et->ht_name
value. (Bug #16447.) */
tmp = et->ht_name;
et->ht_name = value;
type->tp_name = tp_name;
Py_DECREF(tmp);
return 0;
}