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merge 3.3 (#27783)

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Benjamin Peterson 2016-08-16 23:36:20 -07:00
commit a12d92bec1
2 changed files with 9 additions and 8 deletions
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2
Misc/NEWS
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@ -16,6 +16,8 @@ Library
- In the curses module, raise an error if window.getstr() or window.instr() is
passed a negative value.
- Issue #27783: Fix possible usage of uninitialized memory in operator.methodcaller.
- Issue #27774: Fix possible Py_DECREF on unowned object in _sre.
- Issue #27760: Fix possible integer overflow in binascii.b2a_qp.

15
Modules/_operator.c
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@ -801,7 +801,7 @@ static PyObject *
methodcaller_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
methodcallerobject *mc;
PyObject *name, *newargs;
PyObject *name;
if (PyTuple_GET_SIZE(args) < 1) {
PyErr_SetString(PyExc_TypeError, "methodcaller needs at least "
@ -814,13 +814,6 @@ methodcaller_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
if (mc == NULL)
return NULL;
newargs = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
if (newargs == NULL) {
Py_DECREF(mc);
return NULL;
}
mc->args = newargs;
name = PyTuple_GET_ITEM(args, 0);
Py_INCREF(name);
mc->name = name;
@ -828,6 +821,12 @@ methodcaller_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
Py_XINCREF(kwds);
mc->kwds = kwds;
mc->args = PyTuple_GetSlice(args, 1, PyTuple_GET_SIZE(args));
if (mc->args == NULL) {
Py_DECREF(mc);
return NULL;
}
PyObject_GC_Track(mc);
return (PyObject *)mc;
}