diff -Nupr src.orig/kernel/time/timekeeping.c src/kernel/time/timekeeping.c

--- src.orig/kernel/time/timekeeping.c	2017-09-22 15:27:21.602055778 -0400

+++ src/kernel/time/timekeeping.c	2017-09-22 15:27:27.522080292 -0400

@@ -877,6 +877,9 @@ void do_gettimeofday(struct timeval *tv)

 {

 	struct timespec64 now;

+	if (!tv)

+		return;

+

 	getnstimeofday64(&now;;

 	tv->tv_sec = now.tv_sec;

 	tv->tv_usec = now.tv_nsec/1000;