stupid malloc

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

#define BUFSIZE 1073741824 //1GiB

int main(){
    printf("start\n");
    printf("%lu \n", sizeof(u_int32_t));
    for(size_t i = 0; i < (BUFSIZE / 4); i++){
        u_int32_t* p = malloc(sizeof(u_int32_t));
        if (p == NULL){
            printf("alloc failed\n");
            exit(1);
        }
    } //eats around 8GiB
    sleep(15);
    printf("exit\n");
}