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Bug: http://bugs.python.org/issue26171
--- Modules/zipimport.c.orig 2015-12-05 19:47:16 UTC
+++ Modules/zipimport.c
@@ -895,6 +895,11 @@ get_data(char *archive, PyObject *toc_en
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;
+ }
raw_data = PyString_FromStringAndSize((char *)NULL, compress == 0 ?
data_size : data_size + 1);
if (raw_data == NULL) {
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