From 8e1ff5a12310462b05100f0f2ea22b991ea23943 Mon Sep 17 00:00:00 2001
From: gmh5225 <2315157@qq.com>
Date: Wed, 22 Jun 2022 01:11:59 +0800
Subject: [PATCH] Fix another crash

---
 GleeBug/Debugger.Loop.Exception.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/GleeBug/Debugger.Loop.Exception.cpp b/GleeBug/Debugger.Loop.Exception.cpp
index f6459c9..f104b75 100644
--- a/GleeBug/Debugger.Loop.Exception.cpp
+++ b/GleeBug/Debugger.Loop.Exception.cpp
@@ -240,15 +240,14 @@ namespace GleeBug
         //TODO: check if the right type is accessed (ExceptionInformation[0])
         //FIXED:
         auto bpxPage = mProcess->memoryBreakpointPages.find(exceptionAddress & ~(PAGE_SIZE - 1));
-        auto pageAddr = bpxPage->first;
-        auto pageProperties = bpxPage->second;
-
         if(bpxPage == mProcess->memoryBreakpointPages.end())
         {
             sprintf_s(error, "Process::memoryBreakPointPages data structure is incosistent, should dump page at 0x%p", (void*)(exceptionAddress & ~(PAGE_SIZE - 1)));
             cbInternalError(error);
             return;
         }
+        auto pageAddr = bpxPage->first;
+        auto pageProperties = bpxPage->second;
 
         //TODO: If I only have a page with Read bp and the exception was not on read, I don't execute the callback. Because since this was implemented with PAGE_GUARD, writtes or executes still trigger
         //This callback.