[issue4844] ZipFile doesn't range check in _EndRecData()

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Patch updated. Now the test use io.BytesIO() for input too. A loop limit changed from len() -2 to len().

If there are no objections I'll commit this patch next week.

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assignee: mcherm -> serhiy.storchaka
Added file: http://bugs.python.org/file28853/zipfile_unpack_check.patch

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