Fix WebView2 accessibility crash in ProviderWrapper::GetRuntimeId (#7345

) * Fix lLBounds arg to SafeArrayCreateVector * add OOM check Co-authored-by: Dmitriy Komin <[email protected]>
microsoft · Jul 11, 2022 · eb0f8ef · eb0f8ef
1 parent b0a4412
commit eb0f8ef
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/dev/WebView2/WebView2AutomationPeer.cpp b/dev/WebView2/WebView2AutomationPeer.cpp
@@ -140,7 +140,11 @@ struct ProviderWrapper : winrt::implements<ProviderWrapper, winrt::IInspectable,
     {
         *pRetVal = nullptr;
 
-        SAFEARRAY* psa = SafeArrayCreateVector(VT_I4, 1, 2);
+        SAFEARRAY* psa = SafeArrayCreateVector(VT_I4, 0, 2);
+        if (psa == nullptr)
+        {
+            return E_OUTOFMEMORY;
+        }
 
         auto id = winrt::AutomationPeer::GenerateRawElementProviderRuntimeId();