Call getPackageInfo() with cleared calling identity in ensureSystemPackageName(). am: e693b797bc

Change-Id: I1061e87f4d472ae30c94ad13e0915a49258b3a6d
2020-02-05 00:38:34 +00:00
parent 3dfffac9c8 e693b797bc
commit 2eafee92ee
1 changed files with 7 additions and 2 deletions
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -20628,8 +20628,13 @@ public class PackageManagerService extends IPackageManager.Stub
        if (packageName == null) {
            return null;
        }
-        if (getPackageInfo(packageName, MATCH_FACTORY_ONLY, UserHandle.USER_SYSTEM) == null) {
-            return null;
+        long token = Binder.clearCallingIdentity();
+        try {
+            if (getPackageInfo(packageName, MATCH_FACTORY_ONLY, UserHandle.USER_SYSTEM) == null) {
+                return null;
+            }
+        } finally {
+            Binder.restoreCallingIdentity(token);
        }
        return packageName;
    }