From 710fad85bd83f61d318d96fb3149e2cb8705c43c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marie=20P=C3=ADchov=C3=A1?=
 <11718369+ManickaP@users.noreply.github.com>
Date: Thu, 12 Mar 2020 21:07:03 +0100
Subject: [PATCH] Fixed memory leak of OverlappedData when doing read from
 server WebSocket stream. (#33480)

---
 .../Net/Windows/WebSockets/WebSocketHttpListenerDuplexStream.cs      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libraries/System.Net.HttpListener/src/System/Net/Windows/WebSockets/WebSocketHttpListenerDuplexStream.cs b/src/libraries/System.Net.HttpListener/src/System/Net/Windows/WebSockets/WebSocketHttpListenerDuplexStream.cs
index 6ce5d7e..df6c18d 100644
--- a/src/libraries/System.Net.HttpListener/src/System/Net/Windows/WebSockets/WebSocketHttpListenerDuplexStream.cs
+++ b/src/libraries/System.Net.HttpListener/src/System/Net/Windows/WebSockets/WebSocketHttpListenerDuplexStream.cs
@@ -280,6 +280,11 @@ namespace System.Net.WebSockets
                     eventArgs.FinishOperationSuccess((int)bytesReturned, true);
                     completedAsynchronouslyOrWithError = false;
                 }
+                else if (statusCode == Interop.HttpApi.ERROR_HANDLE_EOF)
+                {
+                    eventArgs.FinishOperationSuccess(0, true);
+                    completedAsynchronouslyOrWithError = false;
+                }
                 else
                 {
                     completedAsynchronouslyOrWithError = true;
-- 
2.7.4