Issue #6083: Fix multiple segmentation faults occured when PyArg_ParseTuple
parses nested mutating sequence.
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index d8a283b..a0ea3ab 100644
--- a/Modules/_functoolsmodule.c
+++ b/Modules/_functoolsmodule.c
@@ -254,10 +254,10 @@
}
static PyObject *
-partial_setstate(partialobject *pto, PyObject *args)
+partial_setstate(partialobject *pto, PyObject *state)
{
PyObject *fn, *fnargs, *kw, *dict;
- if (!PyArg_ParseTuple(args, "(OOOO):__setstate__",
+ if (!PyArg_ParseTuple(state, "OOOO",
&fn, &fnargs, &kw, &dict))
return NULL;
Py_XDECREF(pto->fn);
@@ -281,7 +281,7 @@
static PyMethodDef partial_methods[] = {
{"__reduce__", (PyCFunction)partial_reduce, METH_NOARGS},
- {"__setstate__", (PyCFunction)partial_setstate, METH_VARARGS},
+ {"__setstate__", (PyCFunction)partial_setstate, METH_O},
{NULL, NULL} /* sentinel */
};