From 5ce3f10aeea711bb912e948fa5d9f63736df1327 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Thu, 9 Jan 2014 14:50:20 +0200
Subject: Issue #20078: Reading malformed zipfiles no longer hangs with 100%
 CPU consumption.

---
 Lib/zipfile.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Lib/zipfile.py')

diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index 92c98abe1e..a1b34147f8 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -860,6 +860,8 @@ class ZipExtFile(io.BufferedIOBase):
 
         data = self._fileobj.read(n)
         self._compress_left -= len(data)
+        if not data:
+            raise EOFError
 
         if self._decrypter is not None:
             data = bytes(map(self._decrypter, data))
-- 
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