diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 3aaecc7a84244..dec7f0790fdff 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1130,6 +1130,12 @@
                 android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
                 android:protectionLevel="signature" />
 
+    <!-- @hide Allows querying state of PersistentDataBlock
+   <p>Not for use by third-party applications. -->
+    <permission android:name="android.permission.ACCESS_PDB_STATE"
+                android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
+                android:protectionLevel="signature" />
+
 
     <!-- =========================================== -->
     <!-- Permissions associated with audio capture -->
diff --git a/services/core/java/com/android/server/PersistentDataBlockService.java b/services/core/java/com/android/server/PersistentDataBlockService.java
index 17edb5372cdd6..9d4cd99acf8e2 100644
--- a/services/core/java/com/android/server/PersistentDataBlockService.java
+++ b/services/core/java/com/android/server/PersistentDataBlockService.java
@@ -433,7 +433,10 @@ public class PersistentDataBlockService extends SystemService {
 
         @Override
         public int getDataBlockSize() {
-            enforceUid(Binder.getCallingUid());
+            if (mContext.checkCallingPermission(Manifest.permission.ACCESS_PDB_STATE)
+                    != PackageManager.PERMISSION_GRANTED) {
+                enforceUid(Binder.getCallingUid());
+            }
 
             DataInputStream inputStream;
             try {