c – 使用GCC未定义行为消毒剂

2019-10-01 22:07:11 阅读：534 来源： 互联网

标签：c undefined-behavior gcc undefined-reference ubsan

今天我读了关于GCC Undefined Behavior Sanitizer(ubsan)的an article.但是,当我按照那里的步骤(将-fsanitize = undefined添加到我的代码中)时,编译器(UCCntu 15.04上的GCC 4.9.2)表示某些引用未定义：

||=== Build: Debug in Entangle (compiler: GNU GCC Compiler) ===|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnInit()':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|31|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|31|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|32|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|34|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|35|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|37|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|37|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|43|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|43|undefined reference to `__ubsan_handle_load_invalid_value'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|52|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|52|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnCmdLineParsed(wxCmdLineParser&)':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|75|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::OnRun()':|
/home/ilya/Projects/Entangle/EntangleApp.cpp|128|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.cpp|128|undefined reference to `__ubsan_handle_load_invalid_value'|
obj/Debug/EntangleApp.o||In function `wxPrivate::UntypedBufferData::~UntypedBufferData()':|
/usr/include/wx-3.0/wx/buffer.h|43|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/buffer.h|43|undefined reference to `__ubsan_handle_load_invalid_value'|
/usr/include/wx-3.0/wx/buffer.h|44|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::exception::exception()':|
/usr/include/c++/4.9/exception|63|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxCriticalSectionLocker::wxCriticalSectionLocker(wxCriticalSection&)':|
/usr/include/wx-3.0/wx/thread.h|305|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/thread.h|307|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxCriticalSectionLocker::~wxCriticalSectionLocker()':|
/usr/include/wx-3.0/wx/thread.h|312|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/wx-3.0/wx/thread.h|767|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxThreadHelperThread::Entry()':|
/usr/include/wx-3.0/wx/thread.h|775|undefined reference to `__ubsan_handle_load_invalid_value'|
/usr/include/wx-3.0/wx/thread.h|776|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/thread.h|776|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::type_info::name() const':|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/typeinfo|100|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/c++/4.9/typeinfo|100|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxObjectEventFunctor::operator()(wxEvtHandler*, wxEvent&)':|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_add_overflow'|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/event.h|3757|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxLocale::wxLocale()':|
/usr/include/wx-3.0/wx/intl.h|154|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `wxAppConsoleBase::CallOnInit()':|
/usr/include/wx-3.0/wx/app.h|93|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/wx-3.0/wx/app.h|93|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/usr/include/wx-3.0/wx/app.h|592|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `wxAppBase::IsActive() const':|
/usr/include/wx-3.0/wx/app.h|592|undefined reference to `__ubsan_handle_load_invalid_value'|
obj/Debug/EntangleApp.o||In function `wxAppBase::SetTopWindow(wxWindow*)':|
/usr/include/wx-3.0/wx/app.h|595|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `EntangleApp::EntangleApp()':|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
/home/ilya/Projects/Entangle/EntangleApp.h|19|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o:/home/ilya/Projects/Entangle/EntangleFrame.h|32|more undefined references to `__ubsan_handle_type_mismatch' follow|
obj/Debug/EntangleApp.o||In function `std::_Vector_base<unsigned long long, std::allocator<unsigned long long> >::~_Vector_base()':|
/usr/include/c++/4.9/bits/stl_vector.h|161|undefined reference to `__ubsan_handle_sub_overflow'|
/usr/include/c++/4.9/bits/stl_vector.h|161|undefined reference to `__ubsan_handle_type_mismatch'|
obj/Debug/EntangleApp.o||In function `std::_Vector_base<unsigned long long, std::allocator<unsigned long long> >::_Vector_impl::_Vector_impl()':|
/usr/include/c++/4.9/bits/stl_vector.h|87|undefined reference to `__ubsan_handle_type_mismatch'|
/usr/include/c++/4.9/bits/stl_vector.h|87|undefined reference to `__ubsan_handle_type_mismatch'|
||More errors follow but not being shown.|
||Edit the max errors limit in compiler options...|
||=== Build failed: 50 error(s), 0 warning(s) (0 minute(s), 23 second(s)) ===|

我怎样才能解决这个问题？

解决方法:

我已经安装了libubsan0和lib64ubsan0并添加了-lubsan选项,我的应用程序编译成功！

标签：c,undefined-behavior,gcc,undefined-reference,ubsan
来源： https://codeday.me/bug/20191001/1840363.html

本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享；
2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关；
3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关；
4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除；
5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。

ICode9

c – 使用GCC未定义行为消毒剂