simple ASAN expample

m.cpp

#include <iostream>

int f(){
    const int M = 55500;
    //int N = M + 3;
    int N = M - 1;
    int *a = new int[M];
    a[N] = 14;
    return a[N];
}

int g(){
    return f();
}

int main(){
    std::cout << g() << std::endl;
    return 0;
}

makefile

.PHONY: main

main: m.cpp
	g++ -g -o $@ $^ -fsanitize=address
	$@