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Issue #18408: PyObject_GC_NewVar() now raises SystemError exception if nitems

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is negative
This commit is contained in:
Victor Stinner 2013-07-08 22:17:52 +02:00
parent c1eb26cd2f
commit 5d1866c78a
1 changed files with 9 additions and 2 deletions
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11
Modules/gcmodule.c
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@ -1689,8 +1689,15 @@ _PyObject_GC_New(PyTypeObject *tp)
PyVarObject *
_PyObject_GC_NewVar(PyTypeObject *tp, Py_ssize_t nitems)
{
const size_t size = _PyObject_VAR_SIZE(tp, nitems);
PyVarObject *op = (PyVarObject *) _PyObject_GC_Malloc(size);
size_t size;
PyVarObject *op;
if (nitems < 0) {
PyErr_BadInternalCall();
return NULL;
}
size = _PyObject_VAR_SIZE(tp, nitems);
op = (PyVarObject *) _PyObject_GC_Malloc(size);
if (op != NULL)
op = PyObject_INIT_VAR(op, tp, nitems);
return op;