Is there a hello world heap overflow example? [closed]

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Is there a hello world heap overflow example? Anyone has a demo?

---

#include <stdlib.h>
#include <string.h>

int main()
{
    const size_t t=1<<24;
    while(1)
        memset(malloc(t), 0xDE, t);
}

Kills it pretty sweetly in no time at all!