From 55d01f231f840f3d57e997be43040e85fb3dc205 Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Thu, 14 Apr 2022 15:03:59 +0300
Subject: [PATCH] Added guard clause of empty exif  strings

---
 .../Metadata/Profiles/Exif/ExifEncodedStringHelpers.cs       | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ImageSharp/Metadata/Profiles/Exif/ExifEncodedStringHelpers.cs b/src/ImageSharp/Metadata/Profiles/Exif/ExifEncodedStringHelpers.cs
index 4dc7f8398..4ec9b3267 100644
--- a/src/ImageSharp/Metadata/Profiles/Exif/ExifEncodedStringHelpers.cs
+++ b/src/ImageSharp/Metadata/Profiles/Exif/ExifEncodedStringHelpers.cs
@@ -84,6 +84,11 @@ namespace SixLabors.ImageSharp.Metadata.Profiles.Exif
             => encoding.GetBytes(value.AsSpan(), destination);
 #else
         {
+            if (value.Length == 0)
+            {
+                return 0;
+            }
+
             fixed (char* c = value)
             {
                 fixed (byte* b = destination)