Correct errors on illegal stream limits

quinn-proto/src/connection/mod.rs

@@ -2136,6 +2136,11 @@ where
                     );
                 }
                 Frame::StreamsBlocked { dir, limit } => {
+                    if limit > MAX_STREAM_COUNT {
+                        return Err(TransportError::FRAME_ENCODING_ERROR(
+                            "unrepresentable stream limit",
+                        ));
+                    }
                     debug!(
                         "peer claims to be blocked opening more than {} {} streams",
                         limit, dir

quinn-proto/src/connection/streams.rs

@@ -642,7 +642,7 @@ impl Streams {
 
     pub fn received_max_streams(&mut self, dir: Dir, count: u64) -> Result<(), TransportError> {
         if count > MAX_STREAM_COUNT {
-            return Err(TransportError::STREAM_LIMIT_ERROR(
+            return Err(TransportError::FRAME_ENCODING_ERROR(
                 "unrepresentable stream limit",
             ));
         }