Disallow system apps to be installed/updated as instant.
Bug: 299441833
Test: atest android.content.pm.cts.PackageManagerTest
Change-Id: Idd89a6dd72f0e68259095f677185f0494391025c
diff --git a/services/core/java/com/android/server/pm/InstallPackageHelper.java b/services/core/java/com/android/server/pm/InstallPackageHelper.java
index 65bfb2f..985dadf 100644
--- a/services/core/java/com/android/server/pm/InstallPackageHelper.java
+++ b/services/core/java/com/android/server/pm/InstallPackageHelper.java
@@ -672,6 +672,9 @@
if (pkgSetting == null || pkgSetting.getPkg() == null) {
return Pair.create(PackageManager.INSTALL_FAILED_INVALID_URI, intentSender);
}
+ if (instantApp && (pkgSetting.isSystem() || pkgSetting.isUpdatedSystemApp())) {
+ return Pair.create(PackageManager.INSTALL_FAILED_INVALID_URI, intentSender);
+ }
if (!snapshot.canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) {
// only allow the existing package to be used if it's installed as a full
// application for at least one user