[issue36993] zipfile: tuple IndexError on extract

[Daniel Hillier]

Daniel Hillier <daniel.hillier at gmail.com> added the comment:

I've pushed a PR which adds a test that generates corrupt zip64 files with different combinations of zip64 extra data lengths and zip64 flags (which determines how many fields are required in the extra data).

It now raises a BadZipFile with a message naming the first missing field.

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nosy: +dhillier

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