Earlier this year, tylerni7 showed us a proof of concept for a 32 bit Go exploit using this issue. geohot and I had a wager over who could get the first remote code execution on play.golang.org: he won, but just barely ;-). Props also to ricky for helping to find the underlying cause/writing the patch. Here is a summary of how we did it.
I have spent some time over the past month or so trying to use Go binaries in a secure manner and trying to exploit Go binaries and I thought it would be useful if I talked a little bit about my journey.