From c1a7d45b66940ed1bc6d2f855f71976c1c2414ec Mon Sep 17 00:00:00 2001
From: David Fowler <davidfowl@gmail.com>
Date: Fri, 12 Mar 2021 23:29:42 -0800
Subject: [PATCH] Always clear the local buffer in ArrayBuffer - SslStream was
 holding onto a 4K byte[] after the handshake was complete. This was because
 the ArrayBuffer struct doesn't clear the local buffer field in dispose. This
 changes that.

---
 src/libraries/Common/src/System/Net/ArrayBuffer.cs | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/libraries/Common/src/System/Net/ArrayBuffer.cs b/src/libraries/Common/src/System/Net/ArrayBuffer.cs
index 5dbc5a158cb781..56413164232da6 100644
--- a/src/libraries/Common/src/System/Net/ArrayBuffer.cs
+++ b/src/libraries/Common/src/System/Net/ArrayBuffer.cs
@@ -41,15 +41,12 @@ public void Dispose()
             _activeStart = 0;
             _availableStart = 0;
 
-            if (_usePool)
-            {
-                byte[] array = _bytes;
-                _bytes = null!;
+            byte[] array = _bytes;
+            _bytes = null!;
 
-                if (array != null)
-                {
-                    ArrayPool<byte>.Shared.Return(array);
-                }
+            if (_usePool && array != null)
+            {
+                ArrayPool<byte>.Shared.Return(array);
             }
         }