diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index d317305..a0d93e9 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -680,6 +680,7 @@
         frameInfo->set(FrameInfoIndex::FrameCompleted) = std::max(gpuCompleteTime,
                 frameInfo->get(FrameInfoIndex::SwapBuffersCompleted));
         frameInfo->set(FrameInfoIndex::GpuCompleted) = gpuCompleteTime;
+        std::lock_guard(instance->mFrameMetricsReporterMutex);
         instance->mJankTracker.finishFrame(*frameInfo, instance->mFrameMetricsReporter);
     }
 }
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 4f8e4ca..6f90e81 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -170,6 +170,7 @@
         if (mFrameMetricsReporter.get() != nullptr) {
             mFrameMetricsReporter->removeObserver(observer);
             if (!mFrameMetricsReporter->hasObservers()) {
+                std::lock_guard lock(mFrameMetricsReporterMutex);
                 mFrameMetricsReporter.reset(nullptr);
             }
         }
@@ -295,6 +296,7 @@
     JankTracker mJankTracker;
     FrameInfoVisualizer mProfiler;
     std::unique_ptr<FrameMetricsReporter> mFrameMetricsReporter;
+    std::mutex mFrameMetricsReporterMutex;
 
     std::set<RenderNode*> mPrefetchedLayers;