From 0690c79c419b8d2bdfe7c5b6dca57b018f5a5a54 Mon Sep 17 00:00:00 2001
From: Eric Wieser <wieser.eric@gmail.com>
Date: Fri, 7 Jun 2019 01:13:26 -0700
Subject: bpo-37188: Fix a divide-by-zero in arrays of size-0 objects (#13881)

---
 Modules/_ctypes/_ctypes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Modules')

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index f7513a3d74..2201c4520a 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -1518,7 +1518,7 @@ PyCArrayType_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
     }
 
     itemsize = itemdict->size;
-    if (length > PY_SSIZE_T_MAX / itemsize) {
+    if (itemsize != 0 && length > PY_SSIZE_T_MAX / itemsize) {
         PyErr_SetString(PyExc_OverflowError,
                         "array too large");
         goto error;
-- 
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