I'm afraid that bug is an inherent property of the gzip format; it stores the uncompressed size modulo 2**32. Fixing this will require changing the format, not something we want to do lightly.
- gzip -l (--list) incorrect uncompressed size displayed Pete Lancashire
- Re: gzip -l (--list) incorrect uncompressed size disp... Paul Eggert
- Re: gzip -l (--list) incorrect uncompressed size ... Pete Lancashire