diff --git a/shared/sepolicy/vendor/genfs_contexts b/shared/sepolicy/vendor/genfs_contexts
index c8974cd..b894b1b 100644
--- a/shared/sepolicy/vendor/genfs_contexts
+++ b/shared/sepolicy/vendor/genfs_contexts
@@ -1,4 +1,5 @@
-genfscon sysfs /devices/pnp0/00:00/rtc  u:object_r:sysfs_rtc:s0
+genfscon sysfs /devices/pnp0/00:00/rtc  u:object_r:sysfs_rtc:s0 # qemu virtual rtc
+genfscon sysfs /devices/platform/rtc-test.0/rtc  u:object_r:sysfs_rtc:s0 # crosvm has no rtc, use kernel test driver
 genfscon sysfs /devices/pci0000:00/0000:00:07.0/virtio5/net u:object_r:sysfs_net:s0 # (new) qemu buried_eth0 & wlan0
 genfscon sysfs /devices/pci0000:00/0000:00:08.0/virtio6/net u:object_r:sysfs_net:s0 # (new) qemu rmnet0
 genfscon sysfs /devices/pci0000:00/0000:00:09.0/virtio8/net u:object_r:sysfs_net:s0 # (new) crosvm buried_eth0 & wlan0