platform_system_sepolicy/public/hal_cas.te
Jonglin Lee 51c04ac27b Revert "sepolicy: rules for uid/pid cgroups v2 hierarchy"
Revert submission 1511692-cgroup v2 uid/pid hierarchy

Reason for revert: Causing intermittent cgroup kernel panics
Reverted Changes:
I80c2a069b:sepolicy: rules for uid/pid cgroups v2 hierarchy
I73f3e767d:libprocessgroup: uid/pid hierarchy for cgroup v2

Bug: 174776875
Change-Id: I63a03bb43d87c9aa564b1436a45fd5ec023aac87
Test: Locally reverted and booted 100 times without kernel panic
2020-12-04 03:12:59 +00:00

34 lines
1.1 KiB
Text

# HwBinder IPC from client to server, and callbacks
binder_call(hal_cas_client, hal_cas_server)
binder_call(hal_cas_server, hal_cas_client)
hal_attribute_hwservice(hal_cas, hal_cas_hwservice)
allow hal_cas_server hidl_memory_hwservice:hwservice_manager find;
# Permit reading device's serial number from system properties
get_prop(hal_cas_server, serialno_prop)
# Read files already opened under /data
allow hal_cas system_data_file:file { getattr read };
# Read access to pseudo filesystems
r_dir_file(hal_cas, cgroup)
allow hal_cas cgroup:dir { search write };
allow hal_cas cgroup:file w_file_perms;
# Allow access to ion memory allocation device
allow hal_cas ion_device:chr_file rw_file_perms;
allow hal_cas hal_graphics_allocator:fd use;
allow hal_cas tee_device:chr_file rw_file_perms;
###
### neverallow rules
###
# hal_cas should never execute any executable without a
# domain transition
neverallow hal_cas_server { file_type fs_type }:file execute_no_trans;
# do not allow privileged socket ioctl commands
neverallowxperm hal_cas_server domain:{ rawip_socket tcp_socket udp_socket } ioctl priv_sock_ioctls;