From 124ba8aec7d5db62c32f1293b90b9701064c0317 Mon Sep 17 00:00:00 2001
From: meme <meme@users.noreply.github.com>
Date: Tue, 25 Aug 2020 13:49:12 -0400
Subject: [PATCH] Check `status` of `__cxa_demangle`

---
 VTIL-Common/io/formatting.hpp | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/VTIL-Common/io/formatting.hpp b/VTIL-Common/io/formatting.hpp
index e598658..0e34996 100644
--- a/VTIL-Common/io/formatting.hpp
+++ b/VTIL-Common/io/formatting.hpp
@@ -83,7 +83,14 @@ namespace vtil::format
 #ifdef __GNUG__
 			int status;
 			char* demangled_name = abi::__cxa_demangle( in.data(), nullptr, nullptr, &status );
-			in = demangled_name;
+			// If demangling succeeds, set the name.
+			//
+			if ( status == 0 )
+			{
+				in = demangled_name;
+			}
+			// Free unconditionally.
+			//
 			free( demangled_name );
 #endif
 			
@@ -352,4 +359,4 @@ namespace vtil
 	using format::CustomStringConvertible;
 	using format::StdStringConvertible;
 	using format::StringConvertible;
-};
\ No newline at end of file
+};