#include 'stdafx.h'
void malice()
{
printf('Hey,you're been attacked.\n');
}

void foo()
{
int *ret;
ret=(int*)&ret+2;
(*ret)=(int)malice;
}

int _tmain(int argc, _TCHAR* argv[])
{
foo();
return 0;
} 

#include 'stdafx.h'
void foo()
{
int var[2];
var[2] = 0;
}

int _tmain(int argc, _TCHAR* argv[])
{
foo();
return 0;
}

运行后出现：
Run-Time Check Failure #2 - Stack around the variable 'var' was corrupted.

#include 'stdafx.h'
#include <iostream>
using namespace std;

int a,b;
int _tmain(int argc, _TCHAR* argv[])
{
int c;
cout<<a<<'\n';
cout<<b<<'\n';
cout<<c<<'\n';
return 0;
}

运行后出现：
Run-Time Check Failure #3 - The variable 'c' is being used without being defined.