platform_system_sepolicy/private/rs.te

# Any files which would have been created as app_data_file and
# privapp_data_file will be created as app_exec_data_file instead.
allow rs { app_data_file privapp_data_file }:dir ra_dir_perms;
allow rs app_exec_data_file:file create_file_perms;
type_transition rs app_data_file:file app_exec_data_file;
type_transition rs privapp_data_file:file app_exec_data_file;

# Follow /data/user/0 symlink
allow rs system_data_file:lnk_file read;

# Read files from the app home directory.
allow rs { app_data_file privapp_data_file }:file r_file_perms;
allow rs { app_data_file privapp_data_file }:dir r_dir_perms;

# Cleanup app_exec_data_file files in the app home directory.
allow rs { app_data_file privapp_data_file }:dir remove_name;

# Use vendor resources
allow rs vendor_file:dir r_dir_perms;
r_dir_file(rs, vendor_overlay_file)
r_dir_file(rs, vendor_app_file)
# Vendor overlay can be found in vendor apex
allow rs vendor_apex_metadata_file:dir { getattr search };

# Read contents of app apks
r_dir_file(rs, apk_data_file)

allow rs gpu_device:chr_file rw_file_perms;
allow rs ion_device:chr_file r_file_perms;
allow rs same_process_hal_file:file { r_file_perms execute };

# File descriptors passed from app to renderscript
allow rs { untrusted_app_all ephemeral_app priv_app }:fd use;

# See b/291211299. Since rs is deprecated, this shouldn't be too dangerous, since new
# renderscript usages shouldn't be popping up.
dontaudit rs { zygote surfaceflinger hal_graphics_allocator }:fd use;

# rs can access app data, so ensure it can only be entered via an app domain and cannot have
# CAP_DAC_OVERRIDE.
neverallow rs rs:capability_class_set *;
neverallow { domain -appdomain } rs:process { dyntransition transition };
neverallow rs { domain -crash_dump }:process { dyntransition transition };
neverallow rs app_data_file_type:file_class_set ~r_file_perms;
# rs should never use network sockets
neverallow rs *:network_socket_class_set *;