blob.js

var bigBlob = Array.apply(null, Array(1024 * 100)).map(function () { return 'aaaaaaaaaa' }).join('')

test-10k-times.sh

#!/bin/bash

for (( i=1; i<=10000; i++ ))
do
    echo "Running test $i .."
    node blob.js
    if [ $? -ne 0 ]; then
        break
    fi
done

This WILL crash eventually with a bus error if you run a 32 bit ubuntu system.

You mean that eventually it will crash node?

Yup.

The break check is obviously completely redundant here, it kind of went along with copy and paste :)