OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36062
Crash type: Dynamic-stack-buffer-overflow WRITE 4
Crash state:
std::__1::pair<unsigned int, unsigned int>::pair<unsigned int, unsigned int, fal
std::__1::pair<std::__1::__unwrap_ref_decay<unsigned int>::type, std::__1::__unw
void GFWX::decode<short>