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Prevent apps from causing presubmit failures

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am: 607bc67cc9

Change-Id: I301ebb5420ef19a80b58c7e7ded064dcb501d9fa
This commit is contained in:
Jeff Vander Stoep 2019-12-16 06:32:41 -08:00 committed by android-build-merger
commit 0cc9c77efe
5 changed files with 16 additions and 29 deletions
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16
private/app.te
View file

@ -4,6 +4,22 @@ get_prop(appdomain, test_harness_prop)
userdebug_or_eng(`perfetto_producer({ appdomain })')
# Prevent apps from causing presubmit failures.
# Apps can cause selinux denials by accessing CE storage
# and/or external storage. In either case, the selinux denial is
# not the cause of the failure, but just a symptom that
# storage isn't ready. Many apps handle the failure appropriately.
#
# Apps cannot access external storage before it becomes available.
dontaudit appdomain storage_stub_file:dir getattr;
# Attempts to write to system_data_file is generally a sign
# that apps are attempting to access encrypted storage before
# the ACTION_USER_UNLOCKED intent is delivered. Apps are not
# allowed to write to CE storage before it's available.
# Attempting to do so will be blocked by both selinux and unix
# permissions.
dontaudit appdomain system_data_file:dir write;
neverallow appdomain system_server:udp_socket {
accept append bind create ioctl listen lock name_bind
relabelfrom relabelto setattr shutdown };

8
private/bug_map
View file

@ -1,7 +1,5 @@
bluetooth storage_stub_file dir b/145267097
dnsmasq netd fifo_file b/77868789
dnsmasq netd unix_stream_socket b/77868789
gmscore_app storage_stub_file dir b/145267097
gmscore_app system_data_file dir b/146166941
init app_data_file file b/77873135
init cache_file blk_file b/77873135
@ -26,15 +24,9 @@ netd untrusted_app unix_stream_socket b/77870037
netd untrusted_app_25 unix_stream_socket b/77870037
netd untrusted_app_27 unix_stream_socket b/77870037
platform_app nfc_data_file dir b/74331887
platform_app storage_stub_file dir b/145267097
priv_app storage_stub_file dir b/145267097
system_server crash_dump process b/73128755
system_server overlayfs_file file b/142390309
system_server sdcardfs file b/77856826
system_server storage_stub_file dir b/145267097
system_server zygote process b/77856826
untrusted_app storage_stub_file dir b/145267097
untrusted_app_25 storage_stub_file dir b/145267097
untrusted_app_27 storage_stub_file dir b/145267097
vold system_data_file file b/124108085
zygote untrusted_app_25 process b/77925912

9
private/gmscore_app.te
View file

@ -63,15 +63,6 @@ dontaudit gmscore_app sysfs_dm:file r_file_perms;
dontaudit gmscore_app sysfs_loop:file r_file_perms;
dontaudit gmscore_app wifi_prop:file r_file_perms;
dontaudit gmscore_app { wifi_prop exported_wifi_prop }:file r_file_perms;
# Attempts to write to system_data_file is generally a sign
# that apps are attempting to access encrypted storage before
# the ACTION_USER_UNLOCKED intent is delivered. Suppress this
# denial to prevent apps from spamming the logs.
dontaudit gmscore_app system_data_file:dir write;
# suppress denials for scanning /data_mirror
dontaudit gmscore_app mirror_data_file:dir search;
# Access the network

6
private/priv_app.te
View file

@ -213,12 +213,6 @@ dontaudit priv_app { wifi_prop exported_wifi_prop }:file read;
allow priv_app system_server:udp_socket {
connect getattr read recvfrom sendto write getopt setopt };
# Attempts to write to system_data_file is generally a sign
# that apps are attempting to access encrypted storage before
# the ACTION_USER_UNLOCKED intent is delivered. Suppress this
# denial to prevent apps from spamming the logs.
dontaudit priv_app system_data_file:dir write;
###
### neverallow rules
###

6
private/untrusted_app_all.te
View file

@ -162,12 +162,6 @@ dontaudit untrusted_app_all proc_uptime:file read;
# Used by: https://play.google.com/store/apps/details?id=jackpal.androidterm
create_pty(untrusted_app_all)
# Attempts to write to system_data_file is generally a sign
# that apps are attempting to access encrypted storage before
# the ACTION_USER_UNLOCKED intent is delivered. Suppress this
# denial to prevent third party apps from spamming the logs.
dontaudit untrusted_app_all system_data_file:dir write;
# Allow access to kcov via its ioctl interface for coverage
# guided kernel fuzzing.
userdebug_or_eng(`