From b7d16101413276884d7f51c64f989f5f61abecb8 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Tue, 21 Apr 2020 22:10:15 +0900
Subject: [PATCH] Add missing connection error handling

---
 lib/nghttp2_session.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/nghttp2_session.c b/lib/nghttp2_session.c
index 563ccd7d..2efcfc69 100644
--- a/lib/nghttp2_session.c
+++ b/lib/nghttp2_session.c
@@ -4698,7 +4698,12 @@ int nghttp2_session_on_ping_received(nghttp2_session *session,
     rv = nghttp2_session_add_ping(session, NGHTTP2_FLAG_ACK,
                                   frame->ping.opaque_data);
     if (rv != 0) {
-      return rv;
+      if (nghttp2_is_fatal(rv)) {
+        return rv;
+      }
+
+      return session_handle_invalid_connection(session, frame,
+                                               NGHTTP2_ERR_INTERNAL, NULL);
     }
   }
   return session_call_on_frame_received(session, frame);