diff --git a/services/inputflinger/InputDispatcher.cpp b/services/inputflinger/InputDispatcher.cpp
index b921d95..e8ee736 100644
--- a/services/inputflinger/InputDispatcher.cpp
+++ b/services/inputflinger/InputDispatcher.cpp
@@ -1446,6 +1446,8 @@
                 }
                 if (isWindowObscuredAtPointLocked(newTouchedWindowHandle, x, y)) {
                     targetFlags |= InputTarget::FLAG_WINDOW_IS_OBSCURED;
+                } else if (isWindowObscuredLocked(newTouchedWindowHandle)) {
+                    targetFlags |= InputTarget::FLAG_WINDOW_IS_PARTIALLY_OBSCURED;
                 }
 
                 BitSet32 pointerIds;
diff --git a/services/surfaceflinger/Scheduler/EventThread.cpp b/services/surfaceflinger/Scheduler/EventThread.cpp
index 9d1f777..ace0ed5 100644
--- a/services/surfaceflinger/Scheduler/EventThread.cpp
+++ b/services/surfaceflinger/Scheduler/EventThread.cpp
@@ -129,6 +129,11 @@
 }
 
 status_t EventThreadConnection::stealReceiveChannel(gui::BitTube* outChannel) {
+    std::scoped_lock lock(mLock);
+    if (mChannel.initCheck() != NO_ERROR) {
+        return NAME_NOT_FOUND;
+    }
+
     outChannel->setReceiveFd(mChannel.moveReceiveFd());
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/Scheduler/EventThread.h b/services/surfaceflinger/Scheduler/EventThread.h
index dd23b88..6bcdecd 100644
--- a/services/surfaceflinger/Scheduler/EventThread.h
+++ b/services/surfaceflinger/Scheduler/EventThread.h
@@ -88,7 +88,8 @@
 private:
     virtual void onFirstRef();
     EventThread* const mEventThread;
-    gui::BitTube mChannel;
+    std::mutex mLock;
+    gui::BitTube mChannel GUARDED_BY(mLock);
 };
 
 class EventThread {