1 files changed, 12 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_edit.cpp b/fpdfsdk/pwl/cpwl_edit.cpp
index a6f6f2ac86..4558e432ac 100644
--- a/fpdfsdk/pwl/cpwl_edit.cpp
+++ b/fpdfsdk/pwl/cpwl_edit.cpp
@@ -340,14 +340,26 @@ void CPWL_Edit::OnSetFocus() {
 }
 
 void CPWL_Edit::OnKillFocus() {
+  ObservedPtr observed_ptr = ObservedPtr(this);
   CPWL_ScrollBar* pScroll = GetVScrollBar();
   if (pScroll && pScroll->IsVisible()) {
     pScroll->SetVisible(false);
+    if (!observed_ptr)
+      return;
+
     Move(m_rcOldWindow, true, true);
   }
+  if (!observed_ptr)
+    return;
 
   m_pEdit->SelectNone();
+  if (!observed_ptr)
+    return;
+
   SetCaret(false, CFX_PointF(), CFX_PointF());
+  if (!observed_ptr)
+    return;
+
   SetCharSet(FX_CHARSET_ANSI);
   m_bFocus = false;
 }