--- sys/compat/freebsd32/freebsd32_misc.c.orig
+++ sys/compat/freebsd32/freebsd32_misc.c
@@ -765,7 +765,7 @@
 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
 {
 	struct freebsd32_kevent_args *uap;
-	struct kevent32	ks32[KQ_NEVENTS];
+	struct kevent32	ks32[KQ_NEVENTS] = {};
 	int i, error;
 
 	KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));