nandedkarhrishi

Context: Stack buffer overflow may be triggered while writing to a variable metric_len, which is defined as unsigned short (ref: https://github.com/openthread/wpantund/blob/master/src/ncp-spinel/SpinelNCPInstance.cpp#L2180) but is considered as unsigned int (ref: https://github.com/openthread/wpantund/blob/master/third_party/openthread/src/ncp/spinel.c#L597). Expected...