[issue15955] gzip, bz2, lzma: add option to limit output size

[Martin Panter]

Martin Panter added the comment:

It turns out that GzipFile.read(<size>) etc is also susceptible to decompression bombing. Here is a patch to test and fix that, making use of the existing “max_length” parameter in the “zlib” module.

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Added file: http://bugs.python.org/file37644/gzip-bomb.patch

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