1 files changed, 10 insertions, 5 deletions
diff --git a/contrib/tools/python3/Modules/arraymodule.c b/contrib/tools/python3/Modules/arraymodule.c
index d24c5989af3..090a7b841c9 100644
--- a/contrib/tools/python3/Modules/arraymodule.c
+++ b/contrib/tools/python3/Modules/arraymodule.c
@@ -2966,11 +2966,16 @@ array_arrayiterator___setstate__(arrayiterobject *self, PyObject *state)
     Py_ssize_t index = PyLong_AsSsize_t(state);
     if (index == -1 && PyErr_Occurred())
         return NULL;
-    if (index < 0)
-        index = 0;
-    else if (index > Py_SIZE(self->ao))
-        index = Py_SIZE(self->ao); /* iterator exhausted */
-    self->index = index;
+    arrayobject *ao = self->ao;
+    if (ao != NULL) {
+        if (index < 0) {
+            index = 0;
+        }
+        else if (index > Py_SIZE(ao)) {
+            index = Py_SIZE(ao); /* iterator exhausted */
+        }
+        self->index = index;
+    }
     Py_RETURN_NONE;
 }