ntpd crashing after update

Tue Oct 27 08:59:55 UTC 2015

I updated my systems yesterday in response to FreeBSD-SA-15:25.ntp, and 
now ntpd crashes on SEGV, but only on 2 out of 3 of the machines running 
it. I have no idea whether it's relevant, but the one that doesn't crash 
is the only one with source installed. Anyone else seeing this?

-- 
Moore's Law of Mad Science: Every eighteen months, the minimum IQ
necessary to destroy the world drops by one point.