From bbc4cf575161698798a824dbb1145f79bcd0370f Mon Sep 17 00:00:00 2001
From: Christian Beer <christian.beer@aei.mpg.de>
Date: Tue, 10 Nov 2015 16:56:44 +0100
Subject: [PATCH] VboxWrapper: prevent use after free in FloppyIOException

see http://blog.sensecodons.com/2013/04/dont-let-stdstringstreamstrcstr-happen.html for details
fixes CID 34536 found by Coverity
---
 samples/vboxwrapper/floppyio.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/samples/vboxwrapper/floppyio.h b/samples/vboxwrapper/floppyio.h
index 4bdc7b3a1c..5cdd702cfe 100644
--- a/samples/vboxwrapper/floppyio.h
+++ b/samples/vboxwrapper/floppyio.h
@@ -170,7 +170,8 @@ namespace FloppyIONS {
         virtual const char* what() const throw() {
             static std::ostringstream oss (std::ostringstream::out);
             oss << this->message << ". Error code = " << this->code;
-            return oss.str().c_str();
+            std::string tmp = oss.str();
+            return tmp.c_str();
         }
 
         // Change the message and return my instance