static int16_t decodeSample(ms_adpcm_state &state,
	uint8_t code, const int16_t *coefficient, bool *ok=NULL)
{
	int linearSample = (state.sample1 * coefficient[0] +
		state.sample2 * coefficient[1]) >> 8;
	int delta;

	linearSample += ((code & 0x08) ? (code - 0x10) : code) * state.delta;

	linearSample = clamp(linearSample, MIN_INT16, MAX_INT16);

	if (multiplyCheckOverflow(state.delta, adaptationTable[code], &delta))
	{
                if (ok) *ok=false;
		_af_error(AF_BAD_COMPRESSION, "Error decoding sample");
		return 0;
	}
	delta >>= 8;
	if (delta < 16)
		delta = 16;

	state.delta = delta;
	state.sample2 = state.sample1;
	state.sample1 = linearSample;
	if (ok) *ok=true;

	return static_cast<int16_t>(linearSample);
}
The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.