From 4add6313e9b795089a9e830920d7491857e70d67 Mon Sep 17 00:00:00 2001
From: Jason Hood <jadoxa@yahoo.com.au>
Date: Sun, 5 Feb 2012 11:31:39 +1000
Subject: [PATCH] Fix 32-bit process identifying 64-bit process.

---
 proctype.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/proctype.c b/proctype.c
index cc665d1..81213f9 100644
--- a/proctype.c
+++ b/proctype.c
@@ -75,6 +75,15 @@ int ProcessType( LPPROCESS_INFORMATION pinfo, BOOL* gui )
 	}
       }
     }
+#ifdef _WIN32
+    // If a 32-bit process manages to load a 64-bit one, we may miss the base
+    // address.  If the pointer overflows, assume 64-bit and abort.
+    if (ptr > ptr + minfo.RegionSize)
+    {
+      DEBUGSTR( 1, L"  Ignoring apparent 64-bit process." );
+      return 0;
+    }
+#endif
   }
 
   DEBUGSTR( 1, L"  Ignoring non-Windows process" );