Allow app_zygote to read zygote_tmpfs.
app_zygote inherits tmpfs files from zygote, and needs to be able to
stat them after fork.
Bug: 192634726
Bug: 192572973
Bug: 119800099
Test: forrest
Ignore-AOSP-First: cherry pick of https://r.android.com/1753279
Change-Id: I6ddf433dbbf4a894fcb6d35c0cb723444d360e47
diff --git a/prebuilts/api/31.0/private/app_zygote.te b/prebuilts/api/31.0/private/app_zygote.te
index 4ee3af7..4caa387 100644
--- a/prebuilts/api/31.0/private/app_zygote.te
+++ b/prebuilts/api/31.0/private/app_zygote.te
@@ -41,6 +41,9 @@
# Check SELinux permissions.
selinux_check_access(app_zygote)
+# Read and inspect temporary files managed by zygote.
+allow app_zygote zygote_tmpfs:file { read getattr };
+
######
###### Policy below is shared with regular zygote-spawned apps
######
diff --git a/private/app_zygote.te b/private/app_zygote.te
index 4ee3af7..4caa387 100644
--- a/private/app_zygote.te
+++ b/private/app_zygote.te
@@ -41,6 +41,9 @@
# Check SELinux permissions.
selinux_check_access(app_zygote)
+# Read and inspect temporary files managed by zygote.
+allow app_zygote zygote_tmpfs:file { read getattr };
+
######
###### Policy below is shared with regular zygote-spawned apps
######