python
diff --git a/‎Lib/test/test_array.py
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+8Lines changed: 8 additions & 0 deletions b/‎Lib/test/test_array.py
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+8Lines changed: 8 additions & 0 deletions
diff --git a/‎Misc/NEWS.d/next/Library/2025-01-17-21-33-11.gh-issue-128961.XwvyIZ.rst
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+1Lines changed: 1 addition & 0 deletions b/‎Misc/NEWS.d/next/Library/2025-01-17-21-33-11.gh-issue-128961.XwvyIZ.rst
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+1Lines changed: 1 addition & 0 deletions
diff --git a/‎Modules/arraymodule.c
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+10-5Lines changed: 10 additions & 5 deletions b/‎Modules/arraymodule.c
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+10-5Lines changed: 10 additions & 5 deletions
@@ -1665,5 +1665,13 @@ def test_tolist(self, size):
         self.assertEqual(ls[:8], list(example[:8]))
         self.assertEqual(ls[-8:], list(example[-8:]))
 
+    def test_gh_128961(self):
+        a = array.array('i')
+        it = iter(a)
+        list(it)
+        it.__setstate__(0)
+        self.assertRaises(StopIteration, next, it)
+
+
 if __name__ == "__main__":
     unittest.main()
@@ -0,0 +1 @@
+Fix a crash when setting state on an exhausted :class:`array.array` iterator.
@@ -3074,11 +3074,16 @@ 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;
 }
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Fix a crash when setting state on an exhausted :class:`array.array` iterator.