backport of 82852 (#82854)

dotnet · Mar 9, 2023 · cd2e0a6 · cd2e0a6
1 parent 2486cb8
commit cd2e0a6
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs b/src/mono/wasm/debugger/BrowserDebugProxy/MonoProxy.cs
@@ -175,6 +175,9 @@ protected override async Task<bool> AcceptEvent(SessionId sessionId, JObject par
                         if (!contexts.ContainsKey(sessionId))
                             return false;
 
+                        if (args?["callFrames"]?.Value<JArray>()?.Count == 0)
+                            return false;
+
                         //TODO figure out how to stich out more frames and, in particular what happens when real wasm is on the stack
                         string top_func = args?["callFrames"]?[0]?["functionName"]?.Value<string>();
                         switch (top_func) {