From 4cb07be1f525b15692a3362fe1e63f9ed54f6c01 Mon Sep 17 00:00:00 2001
From: Duncan Ogilvie <mr.exodia.tpodt@gmail.com>
Date: Mon, 11 Dec 2017 20:50:32 +0100
Subject: [PATCH] fix INVALID_HANDLE_VALUE exception on attach

See:
* https://github.com/x64dbg/x64dbg/issues/1777
* https://github.com/x64dbg/x64dbg/issues/1759
---
 GleeBug/Debugger.Loop.Dll.cpp     | 3 ++-
 GleeBug/Debugger.Loop.Process.cpp | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/GleeBug/Debugger.Loop.Dll.cpp b/GleeBug/Debugger.Loop.Dll.cpp
index 7585cdd..1603180 100644
--- a/GleeBug/Debugger.Loop.Dll.cpp
+++ b/GleeBug/Debugger.Loop.Dll.cpp
@@ -18,7 +18,8 @@ namespace GleeBug
         cbLoadDllEvent(loadDll, dll);
 
         //close the file handle
-        CloseHandle(loadDll.hFile);
+        if(loadDll.hFile)
+            CloseHandle(loadDll.hFile);
     }
 
     void Debugger::unloadDllEvent(const UNLOAD_DLL_DEBUG_INFO & unloadDll)
diff --git a/GleeBug/Debugger.Loop.Process.cpp b/GleeBug/Debugger.Loop.Process.cpp
index 5690828..cb37192 100644
--- a/GleeBug/Debugger.Loop.Process.cpp
+++ b/GleeBug/Debugger.Loop.Process.cpp
@@ -39,7 +39,8 @@ namespace GleeBug
         cbCreateProcessEvent(createProcess, *mProcess);
 
         //close the file handle
-        CloseHandle(createProcess.hFile);
+        if(createProcess.hFile)
+            CloseHandle(createProcess.hFile);
     }
 
     void Debugger::exitProcessEvent(const EXIT_PROCESS_DEBUG_INFO & exitProcess)