From 04b5978e0968867fa0cbc398fa47acbd19b8ebb9 Mon Sep 17 00:00:00 2001
From: Sergio Pedri <sergio0694@live.com>
Date: Sun, 8 Nov 2020 13:12:28 +0100
Subject: [PATCH] Add pointer null check on construction

---
 src/ImageSharp/Image.WrapMemory.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ImageSharp/Image.WrapMemory.cs b/src/ImageSharp/Image.WrapMemory.cs
index b080c7888..dff888c13 100644
--- a/src/ImageSharp/Image.WrapMemory.cs
+++ b/src/ImageSharp/Image.WrapMemory.cs
@@ -242,6 +242,7 @@ namespace SixLabors.ImageSharp
             ImageMetadata metadata)
             where TPixel : unmanaged, IPixel<TPixel>
         {
+            Guard.IsFalse(pointer == null, nameof(pointer), "Pointer must be not null");
             Guard.NotNull(configuration, nameof(configuration));
             Guard.NotNull(metadata, nameof(metadata));