From a01ff4a6427f4ea25d1f132424cdff7525599357 Mon Sep 17 00:00:00 2001
From: Titus <flew2bits@gmail.com>
Date: Sat, 19 Feb 2022 10:14:46 -0500
Subject: [PATCH] Fix issue in PNG identify method to skip "uninteresting"
 chunks, including sBIT.

---
 src/ImageSharp/Formats/Png/PngDecoderCore.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ImageSharp/Formats/Png/PngDecoderCore.cs b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
index f5fc86ee4..a7f4d5e8d 100644
--- a/src/ImageSharp/Formats/Png/PngDecoderCore.cs
+++ b/src/ImageSharp/Formats/Png/PngDecoderCore.cs
@@ -336,6 +336,9 @@ namespace SixLabors.ImageSharp.Formats.Png
                                 break;
                             case PngChunkType.End:
                                 goto EOF;
+                            default:
+                                this.SkipChunkDataAndCrc(chunk);
+                                break;
                         }
                     }
                     finally