diff --git a/private/system_server.te b/private/system_server.te
index 8bee1bf..9ef8363 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -12,6 +12,8 @@
 # Define a type for tmpfs-backed ashmem regions.
 tmpfs_domain(system_server)
 
+userfaultfd_use(system_server)
+
 # Create a socket for connections from crash_dump.
 type_transition system_server system_data_file:sock_file system_ndebug_socket "ndebugsocket";