From 6f1d3dd6e69e742daab3d0c7eaaf8f58ac461c81 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marvin=20Ha=CC=88user?= <mhaeuser@posteo.de>
Date: Sat, 25 Nov 2023 13:08:13 +0100
Subject: [PATCH] [WIP] simulation: fix NULL dereference
oLastTrans may be NULL when saving the benchmark to file. The current
logic does not handle this correctly, dereferencing it for a print.
Print a dummy value when the variable is NULL to resolve the issue.
---
simulators/c++2/src_simulator/sim/Simulator.cpp | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/simulators/c++2/src_simulator/sim/Simulator.cpp b/simulators/c++2/src_simulator/sim/Simulator.cpp
index 103f43e2de..697c35c44d 100644
--- a/simulators/c++2/src_simulator/sim/Simulator.cpp
+++ b/simulators/c++2/src_simulator/sim/Simulator.cpp
@@ -2542,7 +2542,13 @@ void Simulator::decodeCommand(std::string iCmd, std::ostream &iXmlOutStream)
aInpStream >> aParam1;
std::cout << "printhtis" << std::endl;
- std::cout << TAG_MSGo << oLastTrans->toString() << aStrParam << TAG_MSGc << std::endl;
+ std::string oLastTransString;
+ if (oLastTrans == NULL) {
+ oLastTransString = "<null>";
+ } else {
+ oLastTransString = oLastTrans->toString();
+ }
+ std::cout << TAG_MSGo << oLastTransString << aStrParam << TAG_MSGc << std::endl;
switch (aParam1)
{
case 0:
--
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