From abbaa6e883e6b4d082f13347e0f8e332097f9554 Mon Sep 17 00:00:00 2001
From: Andrey Marinchuk <radist.nt@gmail.com>
Date: Sat, 31 Jul 2021 00:26:57 +0300
Subject: [PATCH] [UNDERTOW-1935] - buffer leak on incoming websocket PONG
 message

Origin:
https://github.com/undertow-io/undertow/commit/97482a5d4114001d45f9b07f1d2893749cdcba8b
---
 .../src/main/java/io/undertow/websockets/jsr/FrameHandler.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java b/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
index 12ae5bb38c..a93822587d 100644
--- a/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
+++ b/websockets-jsr/src/main/java/io/undertow/websockets/jsr/FrameHandler.java
@@ -152,6 +152,8 @@ public void run() {
                     }
                 }
             });
+        } else {
+            bufferedBinaryMessage.getData().free();
         }
     }