What is “Bus error”?
A â€˜bus errorâ€™ is certain undefined behavior result type. The cause for such error on a system could not be specified by the C language. The memory accessibility which CPU could not address physically, â€˜bus errorâ€™ occurs. Also, any fault detected by a device by the computer system can also be a â€˜bus errorâ€™. These errors caused by programs that generate undefined behavior which C language no longer specifies what can happen.