From 3f73d9b680b8cef84ff8db0f762ea803e48a32a9 Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Tue, 4 Oct 2016 14:40:22 +0100
Subject: [PATCH] Map.c check should be against PY_SSIZE_T_MAX (#2151)

---
 map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/map.c b/map.c
index 3637ee86a..75f463440 100644
--- a/map.c
+++ b/map.c
@@ -349,7 +349,7 @@ PyImaging_MapBuffer(PyObject* self, PyObject* args)
 
     size = (Py_ssize_t) ysize * stride;
 
-    if (offset > SIZE_MAX - size) {
+    if (offset > PY_SSIZE_T_MAX - size) {
         PyErr_SetString(PyExc_MemoryError, "Integer overflow in offset");
         return NULL;
     }