From a58e6ff53d6f61f283446368cc8ee0dbc4020e4c Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Thu, 8 Dec 2022 11:16:09 +1000
Subject: [PATCH] Add more cancellation checks

---
 src/ImageSharp/IO/BufferedReadStream.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ImageSharp/IO/BufferedReadStream.cs b/src/ImageSharp/IO/BufferedReadStream.cs
index 9200dbf7ff..efa8f6f4be 100644
--- a/src/ImageSharp/IO/BufferedReadStream.cs
+++ b/src/ImageSharp/IO/BufferedReadStream.cs
@@ -90,6 +90,7 @@ internal sealed class BufferedReadStream : Stream
         set
         {
             Guard.MustBeGreaterThanOrEqualTo(value, 0, nameof(this.Position));
+            this.cancellationToken.ThrowIfCancellationRequested();
 
             // Only reset readBufferIndex if we are out of bounds of our working buffer
             // otherwise we should simply move the value by the diff.
@@ -262,6 +263,7 @@ internal sealed class BufferedReadStream : Stream
     [MethodImpl(MethodImplOptions.NoInlining)]
     private void FillReadBuffer()
     {
+        this.cancellationToken.ThrowIfCancellationRequested();
         Stream baseStream = this.BaseStream;
         if (this.readerPosition != baseStream.Position)
         {