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-rw-r--r--Objects/tupleobject.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 525e8f6..4c264fd 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -696,8 +696,8 @@ _PyTuple_Resize(PyObject **pv, int newsize)
_Py_NewReference((PyObject *) sv);
/* Zero out items added by growing */
if (newsize > oldsize)
- memset(sv->ob_item, 0,
- sizeof(*sv->ob_item) * (newsize - oldsize));
+ memset(&sv->ob_item[oldsize], 0,
+ sizeof(*sv->ob_item) * (newsize - oldsize));
*pv = (PyObject *) sv;
_PyObject_GC_TRACK(sv);
return 0;