allow init_t access to own keyring

Signed-off-by: bauen1 <j2468h@gmail.com>

policy/modules/system/init.te

@@ -239,6 +239,7 @@ ifdef(`init_systemd',`
 	allow init_t self:netlink_route_socket create_netlink_socket_perms;
 	allow init_t initrc_t:unix_dgram_socket create_socket_perms;
 	allow init_t self:capability2 audit_read;
+	allow init_t self:key { search setattr write };
 	allow init_t self:bpf { map_create map_read map_write prog_load prog_run };
 
 	allow init_t init_mountpoint_type:dir_file_class_set { getattr mounton };