platform_system_sepolicy/private/linkerconfig.te

type linkerconfig, domain, coredomain;
type linkerconfig_exec, exec_type, file_type, system_file_type;

init_daemon_domain(linkerconfig)

## Read and write linkerconfig subdirectory.
allow linkerconfig linkerconfig_file:dir create_dir_perms;
allow linkerconfig linkerconfig_file:file create_file_perms;

# Allow linkerconfig to log to the kernel.
allow linkerconfig kmsg_device:chr_file w_file_perms;

# Allow linkerconfig to be invoked with logwrapper from init.
allow linkerconfig devpts:chr_file { getattr ioctl read write };

# Allow linkerconfig to scan for apex modules
allow linkerconfig apex_mnt_dir:dir r_dir_perms;

# Allow linkerconfig to read apex-info-list.xml
allow linkerconfig apex_info_file:file r_file_perms;

# Allow linkerconfig to read apex_manifest.pb file from vendor apex
r_dir_file(linkerconfig, vendor_apex_metadata_file)

# Allow linkerconfig to be called in the otapreopt_chroot
allow linkerconfig otapreopt_chroot:fd use;
allow linkerconfig postinstall_apex_mnt_dir:dir r_dir_perms;
allow linkerconfig postinstall_apex_mnt_dir:file r_file_perms;

# Allow for use in Pre-reboot Dexopt.
allow linkerconfig dexopt_chroot_setup:fd use;

neverallow {
  domain
  -dexopt_chroot_setup
  -init
  -linkerconfig
  -otapreopt_chroot
} linkerconfig_exec:file no_x_file_perms;