Segmentation Fault doesn't come up immediately after accessing out-of-bound memory

Question

I wrote this piece of code and was expecting a segmentation fault quicly, but it seems I am allowed to access pieces of memory I shouldn\'t be able to.

#inc         


        

Answer 1

Accessing beyond the end of an array is undefined behaviour. Anything may happen. It may work, it may fail, it may reformat your hard drive or it might post questions on stack overflow.

Sometimes it seg faults