Joe Tsai a04b4ddba4 archive/tar: properly parse GNU base-256 encoding ... Motivation: * Previous implementation did not detect integer overflow when parsing a base-256 encoded field. * Previous implementation did not treat the integer as a two's complement value as specified by GNU. The relevant GNU specification says: <<< GNU format uses two's-complement base-256 notation to store values that do not fit into standard ustar range. >>> Fixes #12435 Change-Id: I4639bcffac8d12e1cb040b76bd05c9d7bc6c23a8 Reviewed-on: https://go-review.googlesource.com/17424 Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>		2016-02-03 07:01:09 -05:00
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tar	archive/tar: properly parse GNU base-256 encoding	2016-02-03 07:01:09 -05:00