Prevent NPE while finishing activity
Activity was finished and removed from history before entering
global lock and caused NPE when accessing its task.
Bug: 158299941
Test: existing tests
Change-Id: Iac49bb631653137785edff48c46e2263adbbda64
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 5f591b5..88b1ac3 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -1685,6 +1685,11 @@
final NeededUriGrants resultGrants = collectGrants(resultData, r.resultTo);
synchronized (mGlobalLock) {
+ // Sanity check in case activity was removed before entering global lock.
+ if (!r.isInHistory()) {
+ return true;
+ }
+
// Keep track of the root activity of the task before we finish it
final Task tr = r.getTask();
final ActivityRecord rootR = tr.getRootActivity();