--- sys/compat/linux/linux_ioctl.c.orig
+++ sys/compat/linux/linux_ioctl.c
@@ -916,6 +916,8 @@
 
 	case LINUX_TIOCGSERIAL: {
 		struct linux_serial_struct lss;
+
+		bzero(&lss, sizeof(lss));
 		lss.type = LINUX_PORT_16550A;
 		lss.flags = 0;
 		lss.close_delay = 0;
--- sys/compat/linux/linux_misc.c.orig
+++ sys/compat/linux/linux_misc.c
@@ -149,6 +149,7 @@
 	int i, j;
 	struct timespec ts;
 
+	bzero(&sysinfo, sizeof(sysinfo));
 	getnanouptime(&ts);
 	if (ts.tv_nsec != 0)
 		ts.tv_sec++;