Make the various iterators' "setstate" sliently and consistently clip the

index.  This avoids the possibility of setting an iterator to an invalid
state.

1 files changed, 2 insertions, 0 deletions

diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 96c9e5bba7..3aba9adbeb 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -2798,6 +2798,8 @@ arrayiter_setstate(arrayiterobject *it, PyObject *state)
         return NULL;
     if (index < 0)
         index = 0;
+    else if (index > Py_SIZE(it->ao))
+        index = Py_SIZE(it->ao); /* iterator exhausted */
     it->index = index;
     Py_RETURN_NONE;
 }