[sepolicy] allow installd to query apps installed on Incremental File System

[Cherry-pick from AOSP]

Addresses denial messages like:
06-10 19:36:56.269  1214  1214 I Binder:1214_5: type=1400 audit(0.0:58): avc: denied { use } for path="/data/incremental/MT_data_app_vmdl199/backing_store/st_2_1/com.unity.megacity-HlbmeQJjThgePchBlByuoQ==" dev="dm-5" ino=10445 scontext=u:r:installd:s0 tcontext=u:r:vold:s0 tclass=fd permissive=1
06-10 19:36:56.516  1214  1214 I Binder:1214_6: type=1400 audit(0.0:59): avc: denied { use } for path="/data/incremental/MT_data_app_vmdl199/backing_store/st_2_1/com.unity.megacity-HlbmeQJjThgePchBlByuoQ==" dev="dm-5" ino=10445 scontext=u:r:installd:s0 tcontext=u:r:vold:s0 tclass=fd permissive=1

BUG: 190699430
Test: manual

Change-Id: Iee4bdb382b6af5bc8cd63fde2c0db5f0b9b4f02b
Merged-In: Iee4bdb382b6af5bc8cd63fde2c0db5f0b9b4f02b
This commit is contained in:
Songchun Fan 2021-06-10 13:05:56 -07:00
parent b662d65f19
commit a357042fa5

View file

@ -160,6 +160,10 @@ allow installd proc_filesystems:file r_file_perms;
#add for move app to sd card #add for move app to sd card
get_prop(installd, storage_config_prop) get_prop(installd, storage_config_prop)
# Allow installd to access apps installed on the Incremental File System
# Accessing files on the Incremental File System uses fds opened in the context of vold.
allow installd vold:fd use;
### ###
### Neverallow rules ### Neverallow rules
### ###