New submission from Serhiy Storchaka:

There is a buffer overflow in marshal.load() when len(read(n)) > n.

Here is a sample.

----------
components: Interpreter Core
files: marshal_bad_reader.py
messages: 188107
nosy: serhiy.storchaka
priority: normal
severity: normal
stage: needs patch
status: open
title: Crash in marshal.load() with bad reader
type: behavior
versions: Python 3.3, Python 3.4
Added file: http://bugs.python.org/file30070/marshal_bad_reader.py

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue17872>
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