Fix 32-bit process identifying 64-bit process.

2012-02-05 11:31:39 +10:00 · 2012-02-05 11:31:39 +10:00 · 4add6313e9
commit 4add6313e9
parent b73334ae08
1 changed files with 9 additions and 0 deletions
--- 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" );