17 lines
500 B
Diff
17 lines
500 B
Diff
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diff --git a/Modules/zipimport.c b/Modules/zipimport.c
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index 06abb31..914bf5d 100644
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--- a/Modules/zipimport.c
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+++ b/Modules/zipimport.c
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@@ -1112,6 +1112,11 @@ get_data(PyObject *archive, PyObject *toc_entry)
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}
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file_offset += l; /* Start of file data */
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+ if (data_size > LONG_MAX - 1) {
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+ fclose(fp);
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+ PyErr_NoMemory();
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+ return NULL;
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+ }
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bytes_size = compress == 0 ? data_size : data_size + 1;
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if (bytes_size == 0)
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bytes_size++;
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