fuzzme.c

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

void print_success(void *input) {
        if (*(char *)(input+1) == 'Y') {
                printf("GOT: %s\n", input);
                return;
        }

        return;
}

void test(void *input) {
char buffer[1024];
        if (*(char *)input == 'Z') {
                strcpy(buffer, input);
                print_success(buffer);
                return;
        }

        printf("FAIL\n");

        return;
}

int main(int argc, char **argv) {
char buffer[9076];
        int fd = open(argv[1], O_RDONLY);
        read(fd, buffer, 9076);

        test(buffer);
}