diff --git a/test/unittest/dump_catcher/dumpcatcher_interfaces_test.cpp b/test/unittest/dump_catcher/dumpcatcher_interfaces_test.cpp
index 61727796c5f8cf637f0119b9db0bee0ecdf61dc4..5f129d1f6b52ec5e640f9e1f4af69905b77a4ac6 100644
--- a/test/unittest/dump_catcher/dumpcatcher_interfaces_test.cpp
+++ b/test/unittest/dump_catcher/dumpcatcher_interfaces_test.cpp
@@ -1156,7 +1156,7 @@ HWTEST_F(DumpCatcherInterfacesTest, DumpCatcherInterfacesTest043, TestSize.Level
     }
     const int checkCnt = 500; // 500 : check processdump start in 500ms
     const int waitForkPidStartTime = 50; // 50 : 50ms
-    const int hungUpProcessdumpTime = 2900; // 2900 : 2.9s
+    const int hungUpProcessdumpTime = 2880; // 2880 : 2.88s
     int timeStart = static_cast<int>(GetAbsTimeMilliSeconds());
     pid_t pidCheck = fork();
     if (pidCheck < 0) {
diff --git a/tools/crasher_cpp/dfx_crasher.cpp b/tools/crasher_cpp/dfx_crasher.cpp
index f609f16d979de303604bef7556b369f57cfa52cd..6a4a1e9500cfa977de34056f47ea45d712ee624c 100644
--- a/tools/crasher_cpp/dfx_crasher.cpp
+++ b/tools/crasher_cpp/dfx_crasher.cpp
@@ -334,11 +334,9 @@ NOINLINE int DfxCrasher::MaxMethodNameTest12345678901234567890123456789012345678
     return 0;
 }
 
-static void *DoStackOverflow(void * inputArg)
+static void *DoStackOverflow(void * inputArg) __attribute__((optnone))
 {
     int b[10] = {1};
-    int *c = nullptr;
-    (void)memcpy_s(c, sizeof(int), b, sizeof(int));
     if (b[0] == 0) {
         return static_cast<void*>(b + 9); // 9: last element of array
     }