So... does your code currently break if you just happen to get zeroed-out memory from the OS? (FreeBSD for example runs a background process every once in a wh

So... does your code currently break if you just happen to get zeroed-out memory from the OS? (FreeBSD for example runs a background process every once in a while to zero out free blocks, mostly for purposes of calloc() but it's definitely not impossible Node would happen to get one of those even before this change.)