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Bug: http://bugs.python.org/issue26171
--- Modules/zipimport.c.orig 2014-10-12 07:03:53 UTC
+++ Modules/zipimport.c
@@ -1089,6 +1089,11 @@ get_data(PyObject *archive, PyObject *to
PyMarshal_ReadShortFromFile(fp); /* local header size */
file_offset += l; /* Start of file data */
+ if (data_size > LONG_MAX - 1) {
+ fclose(fp);
+ PyErr_NoMemory();
+ return NULL;
+ }
bytes_size = compress == 0 ? data_size : data_size + 1;
if (bytes_size == 0)
bytes_size++;
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