Infinite loop through integer overflow

main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char* argv[]) {
    int arr[256];
    unsigned short i;
    
    // Infinite loop
    for (i = 0; i < 256; i++) {
        arr[i] = -5;
        printf("%d ", arr[i]);
    }
    return 0;
}