Merge PR #106

kazu-yamamoto · Jan 22, 2024 · bafed12 · bafed12
2 parents d708bdc + a4fb0a1
commit bafed12
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Network/HTTP2/H2/Receiver.hs b/Network/HTTP2/H2/Receiver.hs
@@ -290,7 +290,11 @@ getOddStream ctx ftyp streamId Nothing
                 when (ftyp == FrameHeaders) $ setPeerStreamID ctx streamId
                 -- FLOW CONTROL: SETTINGS_MAX_CONCURRENT_STREAMS: recv: rejecting if over my limit
                 Just <$> openOddStreamCheck ctx streamId ftyp
-    | otherwise = undefined -- never reach
+    | otherwise =
+        -- We received a frame from the server on an unknown stream
+        -- (likely a previously created and then subsequently reset stream).
+        -- We just drop it.
+        return Nothing
 
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