Prevent closing by prev owner after transfer.

Bug: 64467704
Test: gts-tradefed run singleCommand gts -m GtsPackageInstallSessionTestCases
Change-Id: I81fb1b641295cbb9e36504eb3e40f51ce6b2de94

diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index 0fd696f..983af24 100644 (file)
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -1388,11 +1388,13 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
 
     @Override
     public void close() {
+        int activeCount;
         synchronized (mLock) {
             assertCallerIsOwnerOrRootLocked();
+            activeCount = mActiveCount.decrementAndGet();
         }
 
-        if (mActiveCount.decrementAndGet() == 0) {
+        if (activeCount == 0) {
             mCallback.onSessionActiveChanged(this, false);
         }
     }