gfe-relnote: In QUIC, check connected_ when processing MaxStreamsFrame and StreamsBlockedFrame. Protected by disabled v99 flag.

PiperOrigin-RevId: 292991614
Change-Id: Ibe06fe72f3fc8e289979204dd7b790b280d93c5e

quic/core/quic_connection.cc

diff --git a/quic/core/quic_connection.cc b/quic/core/quic_connection.cc
index 9202cf5..246d9d9 100644
--- a/quic/core/quic_connection.cc
+++ b/quic/core/quic_connection.cc
@@ -1268,7 +1268,7 @@
   if (debug_visitor_ != nullptr) {
     debug_visitor_->OnMaxStreamsFrame(frame);
   }
-  return visitor_->OnMaxStreamsFrame(frame);
+  return visitor_->OnMaxStreamsFrame(frame) && connected_;
 }
 
 bool QuicConnection::OnStreamsBlockedFrame(
@@ -1276,7 +1276,7 @@
   if (debug_visitor_ != nullptr) {
     debug_visitor_->OnStreamsBlockedFrame(frame);
   }
-  return visitor_->OnStreamsBlockedFrame(frame);
+  return visitor_->OnStreamsBlockedFrame(frame) && connected_;
 }
 
 bool QuicConnection::OnGoAwayFrame(const QuicGoAwayFrame& frame) {

quic/core/quic_connection_test.cc

diff --git a/quic/core/quic_connection_test.cc b/quic/core/quic_connection_test.cc
index 91d7a9d..40f1895 100644
--- a/quic/core/quic_connection_test.cc
+++ b/quic/core/quic_connection_test.cc
@@ -9881,6 +9881,46 @@
   }
 }
 
+// Regression test for http://crbug/1047977
+TEST_P(QuicConnectionTest, MaxStreamsFrameCausesConnectionClose) {
+  if (!VersionHasIetfQuicFrames(connection_.transport_version())) {
+    return;
+  }
+  // Received frame causes connection close.
+  EXPECT_CALL(visitor_, OnMaxStreamsFrame(_))
+      .WillOnce(InvokeWithoutArgs([this]() {
+        EXPECT_CALL(visitor_, OnConnectionClosed(_, _));
+        connection_.CloseConnection(
+            QUIC_TOO_MANY_BUFFERED_CONTROL_FRAMES, "error",
+            ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET);
+        return true;
+      }));
+  QuicFrames frames;
+  frames.push_back(QuicFrame(QuicMaxStreamsFrame()));
+  frames.push_back(QuicFrame(QuicPaddingFrame(-1)));
+  ProcessFramesPacketAtLevel(1, frames, ENCRYPTION_FORWARD_SECURE);
+}
+
+TEST_P(QuicConnectionTest, StreamsBlockedFrameCausesConnectionClose) {
+  if (!VersionHasIetfQuicFrames(connection_.transport_version())) {
+    return;
+  }
+  // Received frame causes connection close.
+  EXPECT_CALL(visitor_, OnStreamsBlockedFrame(_))
+      .WillOnce(InvokeWithoutArgs([this]() {
+        EXPECT_CALL(visitor_, OnConnectionClosed(_, _));
+        connection_.CloseConnection(
+            QUIC_TOO_MANY_BUFFERED_CONTROL_FRAMES, "error",
+            ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET);
+        return true;
+      }));
+  QuicFrames frames;
+  frames.push_back(
+      QuicFrame(QuicStreamsBlockedFrame(kInvalidControlFrameId, 10, false)));
+  frames.push_back(QuicFrame(QuicPaddingFrame(-1)));
+  ProcessFramesPacketAtLevel(1, frames, ENCRYPTION_FORWARD_SECURE);
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace quic