> I hadn't realised that file was so large when decompressed: that definitely 
> looks like a 32 bit signed overflow issue: changing the signed offset(s) or 
> size(s) to unsigned, or size_t if larger, should eliminate future issues.

Yes,
The extracted file size is
2,966,810,624
and can be extracted successfully with other software such as 7-zip, so it is 
very likely that it is simply an overflow,
I sent a simplified text with the idea that you would understand.

It was an oversight on our part. My apologies.


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