From 586df2e7b136745736884072a49ec797715d5feb Mon Sep 17 00:00:00 2001
From: Dmitry Pentin <riotbr3aker@gmail.com>
Date: Tue, 23 Nov 2021 21:49:27 +0300
Subject: [PATCH] Fixed crash bug

---
 .../Formats/Jpeg/Components/FastFloatingPointDCT.cs           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ImageSharp/Formats/Jpeg/Components/FastFloatingPointDCT.cs b/src/ImageSharp/Formats/Jpeg/Components/FastFloatingPointDCT.cs
index 770093195..81bfe2135 100644
--- a/src/ImageSharp/Formats/Jpeg/Components/FastFloatingPointDCT.cs
+++ b/src/ImageSharp/Formats/Jpeg/Components/FastFloatingPointDCT.cs
@@ -70,8 +70,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
             ref float multipliersRef = ref MemoryMarshal.GetReference<float>(AdjustmentCoefficients);
             for (nint i = 0; i < Block8x8F.Size; i++)
             {
-                tableRef = ref Unsafe.Add(ref tableRef, i);
                 tableRef = 0.125f * tableRef * Unsafe.Add(ref multipliersRef, i);
+                tableRef = ref Unsafe.Add(ref tableRef, 1);
             }
 
             // Spectral macroblocks are transposed before quantization
@@ -89,8 +89,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
             ref float multipliersRef = ref MemoryMarshal.GetReference<float>(AdjustmentCoefficients);
             for (nint i = 0; i < Block8x8F.Size; i++)
             {
-                tableRef = ref Unsafe.Add(ref tableRef, i);
                 tableRef = 0.125f / (tableRef * Unsafe.Add(ref multipliersRef, i));
+                tableRef = ref Unsafe.Add(ref tableRef, 1);
             }
         }