diff --git a/third_party/blink/renderer/core/frame/local_frame_view.cc b/third_party/blink/renderer/core/frame/local_frame_view.cc
index 082ad86152824..362d8fd35e268 100644
--- a/third_party/blink/renderer/core/frame/local_frame_view.cc
+++ b/third_party/blink/renderer/core/frame/local_frame_view.cc
@@ -2357,6 +2357,11 @@ bool LocalFrameView::UpdateLifecyclePhases(
   // Run the lifecycle updates.
   UpdateLifecyclePhasesInternal(target_state, reason);
 
+  if (!GetFrame().GetPage()) {
+    LOG(ERROR) << "POC: UpdateLifecyclePhases: detached after internal";
+    return false;
+  }
+
   if (target_state == DocumentLifecycle::kPaintClean) {
     TRACE_EVENT0("blink", "LocalFrameView::DidFinishLifecycleUpdate");
 
@@ -2447,6 +2452,10 @@ void LocalFrameView::UpdateLifecyclePhasesInternal(
             DocumentLifecycle::kVisualUpdatePending);
       }
     }
+    if (!GetFrame().GetPage()) {
+      LOG(ERROR) << "POC: local root detached during lifecycle; bailing";
+      return;
+    }
     bool run_more_lifecycle_phases =
         RunStyleAndLayoutLifecyclePhases(target_state);
     if (!run_more_lifecycle_phases) {
diff --git a/third_party/blink/renderer/core/frame/web_frame_widget_impl.cc b/third_party/blink/renderer/core/frame/web_frame_widget_impl.cc
index 1395aa71a377c..f8f2335a3e09a 100644
--- a/third_party/blink/renderer/core/frame/web_frame_widget_impl.cc
+++ b/third_party/blink/renderer/core/frame/web_frame_widget_impl.cc
@@ -1777,6 +1777,10 @@ void WebFrameWidgetImpl::UpdateLifecycle(WebLifecycleUpdate requested_update,
 
   GetPage()->UpdateLifecycle(*LocalRootImpl()->GetFrame(), requested_update,
                              reason);
+  if (!LocalRootImpl()) {
+    LOG(ERROR) << "POC: WebFrameWidgetImpl::UpdateLifecycle: detached";
+    return;
+  }
   if (requested_update != WebLifecycleUpdate::kAll)
     return;
 
diff --git a/third_party/blink/renderer/platform/widget/widget_base.cc b/third_party/blink/renderer/platform/widget/widget_base.cc
index 70a4733201db9..b7dcb6997c52e 100644
--- a/third_party/blink/renderer/platform/widget/widget_base.cc
+++ b/third_party/blink/renderer/platform/widget/widget_base.cc
@@ -177,6 +177,7 @@ WidgetBase::WidgetBase(
           &WidgetBase::RequestAnimationAfterDelayTimerFired) {}
 
 WidgetBase::~WidgetBase() {
+  LOG(ERROR) << "POC: ~WidgetBase this=" << this;
   // Ensure Shutdown was called.
   DCHECK(!layer_tree_view_);
 }
@@ -1145,7 +1146,9 @@ void WidgetBase::UpdateVisualState() {
       ShouldRecordBeginMainFrameMetrics()
           ? DocumentUpdateReason::kBeginMainFrame
           : DocumentUpdateReason::kTest;
+  LOG(ERROR) << "POC: UpdateVisualState enter this=" << this;
   client_->UpdateLifecycle(WebLifecycleUpdate::kAll, lifecycle_reason);
+  LOG(ERROR) << "POC: UpdateVisualState after-lifecycle this=" << this;
   client_->SetSuppressFrameRequestsWorkaroundFor704763Only(false);
 }