Merge "Fix crashes related to WCT for ARC T" into udc-qpr-dev am: 0c9141054e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24283459

Change-Id: I4d15179c33792f5f75db4ad88032beb125737a4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

2 files changed, 20 insertions, 6 deletions

diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index e720fa5bb81d..e9f292b38053 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -2878,8 +2878,8 @@ class Task extends TaskFragment {
             // No need to check if allowed if it's leaving dragResize
             if (dragResizing
                     && !(getRootTask().getWindowingMode() == WINDOWING_MODE_FREEFORM)) {
-                throw new IllegalArgumentException("Drag resize not allow for root task id="
-                        + getRootTaskId());
+                Slog.e(TAG, "Drag resize isn't allowed for root task id=" + getRootTaskId());
+                return;
             }
             mDragResizing = dragResizing;
             resetDragResizingChangeReported();
diff --git a/services/core/java/com/android/server/wm/WindowOrganizerController.java b/services/core/java/com/android/server/wm/WindowOrganizerController.java
index 0388496712fb..9375b297be2b 100644
--- a/services/core/java/com/android/server/wm/WindowOrganizerController.java
+++ b/services/core/java/com/android/server/wm/WindowOrganizerController.java
@@ -1657,9 +1657,18 @@ class WindowOrganizerController extends IWindowOrganizerController.Stub
     }
 
     private int setAdjacentRootsHierarchyOp(WindowContainerTransaction.HierarchyOp hop) {
-        final TaskFragment root1 = WindowContainer.fromBinder(hop.getContainer()).asTaskFragment();
-        final TaskFragment root2 =
-                WindowContainer.fromBinder(hop.getAdjacentRoot()).asTaskFragment();
+        final WindowContainer wc1 = WindowContainer.fromBinder(hop.getContainer());
+        if (wc1 == null || !wc1.isAttached()) {
+            Slog.e(TAG, "Attempt to operate on unknown or detached container: " + wc1);
+            return TRANSACT_EFFECTS_NONE;
+        }
+        final TaskFragment root1 = wc1.asTaskFragment();
+        final WindowContainer wc2 = WindowContainer.fromBinder(hop.getAdjacentRoot());
+        if (wc2 == null || !wc2.isAttached()) {
+            Slog.e(TAG, "Attempt to operate on unknown or detached container: " + wc2);
+            return TRANSACT_EFFECTS_NONE;
+        }
+        final TaskFragment root2 = wc2.asTaskFragment();
         if (!root1.mCreatedByOrganizer || !root2.mCreatedByOrganizer) {
             throw new IllegalArgumentException("setAdjacentRootsHierarchyOp: Not created by"
                     + " organizer root1=" + root1 + " root2=" + root2);
@@ -1672,7 +1681,12 @@ class WindowOrganizerController extends IWindowOrganizerController.Stub
     }
 
     private int clearAdjacentRootsHierarchyOp(WindowContainerTransaction.HierarchyOp hop) {
-        final TaskFragment root = WindowContainer.fromBinder(hop.getContainer()).asTaskFragment();
+        final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer());
+        if (wc == null || !wc.isAttached()) {
+            Slog.e(TAG, "Attempt to operate on unknown or detached container: " + wc);
+            return TRANSACT_EFFECTS_NONE;
+        }
+        final TaskFragment root = wc.asTaskFragment();
         if (!root.mCreatedByOrganizer) {
             throw new IllegalArgumentException("clearAdjacentRootsHierarchyOp: Not created by"
                     + " organizer root=" + root);