add checks for enough data in path deserialization

Bug: oss-fuzz:6501
Change-Id: Ie77d57268947be2cc56f846ce21f154e0d469112
Reviewed-on: https://skia-review.googlesource.com/109320
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
1 file changed