From 87581792ff565e04f3c3b19012124e307d013f1b Mon Sep 17 00:00:00 2001
From: jiangchao_j <chaojiang_j@163.com>
Date: Sat, 29 Mar 2025 17:48:39 +0800
Subject: [PATCH] check if ptr is nullptr

---
 .../msprobe/ccsrc/if/mindspore/MindSporeDbgHook.cpp            | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/debug/accuracy_tools/msprobe/ccsrc/if/mindspore/MindSporeDbgHook.cpp b/debug/accuracy_tools/msprobe/ccsrc/if/mindspore/MindSporeDbgHook.cpp
index 42f3a2e5b61..db279a33f17 100644
--- a/debug/accuracy_tools/msprobe/ccsrc/if/mindspore/MindSporeDbgHook.cpp
+++ b/debug/accuracy_tools/msprobe/ccsrc/if/mindspore/MindSporeDbgHook.cpp
@@ -34,6 +34,9 @@ EXPORT_SYMBOL void MS_DbgOnStepBegin(uint32_t device, int32_t curStep,
         }
         /* mindspore使用了_GLIBCXX_USE_CXX11_ABI=0，为了解决CXX版本兼容问题，此处将string转char*使用 */
         if (ext.first == static_cast<uint32_t>(MindStudioDebugger::MindStudioExtensionArgs::ALL_KERNEL_NAMES)) {
+            if (ext.second == nullptr) {
+                continue;
+            }
             std::vector<std::string>* ss = reinterpret_cast<std::vector<std::string>*>(ext.second);
             strBuf = new const char*[(*ss).size() + 1];
             strBuf[(*ss).size()] = nullptr;
-- 
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