Buffer overflow

[kevinjwalters]

The count variable is incremented here before the assignment to the array. This means the index values used will be 1 to 512 rather than 0 to 511. The last value of 512 will write beyond the end of the 512 byte array potentially trampling on other things.

Arduino-Guitar-Tuner/Tuner_aRead.ino

Lines 28 to 31 in 12a9be9

	if (count < LENGTH) {
	count++;
	rawData[count] = analogRead(A0)>>2;
	}