From 1d9d3833486161d9f4a438669a8107a5096f7234 Mon Sep 17 00:00:00 2001
From: Raymond <daemitus@gmail.com>
Date: Mon, 6 Sep 2021 22:08:59 -0400
Subject: [PATCH] revert only the required length of bytes

---
 Dalamud/Hooking/Internal/HookManager.cs | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/Dalamud/Hooking/Internal/HookManager.cs b/Dalamud/Hooking/Internal/HookManager.cs
index e955b43a1..483a0e4af 100644
--- a/Dalamud/Hooking/Internal/HookManager.cs
+++ b/Dalamud/Hooking/Internal/HookManager.cs
@@ -169,15 +169,14 @@ namespace Dalamud.Hooking.Internal
                         break;
                 }
 
+                var snippet = originalBytes[0..i];
+
                 if (i > 0)
                 {
-                    Log.Verbose($"Reverting hook at 0x{address.ToInt64():X}");
-                    fixed (byte* original = originalBytes)
-                    {
-                        MemoryHelper.ChangePermission(address, i, MemoryProtection.ExecuteReadWrite, out var oldPermissions);
-                        MemoryHelper.WriteRaw(address, originalBytes);
-                        MemoryHelper.ChangePermission(address, i, oldPermissions);
-                    }
+                    Log.Verbose($"Reverting hook at 0x{address.ToInt64():X} ({snippet.Length} bytes)");
+                    MemoryHelper.ChangePermission(address, i, MemoryProtection.ExecuteReadWrite, out var oldPermissions);
+                    MemoryHelper.WriteRaw(address, snippet);
+                    MemoryHelper.ChangePermission(address, i, oldPermissions);
                 }
             }
         }