[issue5387] mmap.move crashes by integer overflow

[Jack Diederich]

Jack Diederich <jackdied at gmail.com> added the comment:

Here is a more verbose patch.  It checks to see if the first two
arguments stand-alone as well.  It also updates NEWS and ACKs and adds
some assertRaises for various bounds checks.

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nosy: +jackdied
Added file: http://bugs.python.org/file13423/issue_5387.patch

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