STL中跨DLL指针调用导致断言_CrtIsValidHeapPointer验证失败

本文探讨了在主程序调用DLL中定义的函数时出现的内存错误问题。特别是当使用模板列表作为参数时,在程序析构阶段发生的_CrtIsValidHeapPointer断言失败。文章详细分析了问题的原因,并给出了解决方案。

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昨天遇到一问题,令我百思不得其解,问题大概是这样的:

函数封装都是写在外部dll中的,主程序部分只是一些简单的调用。
dll中有一个方法原型大概是这样的:bool Function(list<Type>& l)

在主程序中调用一切没有问题,得出的结果也是正确的,只是在主程序结束析构数据成员时出错。
查看Call Stack,确定是析构时出错,_CrtIsValidHeapPointer断言验证失败

 

起初把注意力都放在析构上了,走了死胡同,以为是模板类型Type引起的问题,导致内存读写错误。把list换成vector,把stack内存声明换为heap,都是同样的问题,写了个简单的Console App,怎么玩都不会出错。

 

把问题再次聚焦到断言_CrtIsValidHeapPointer,MSDN如下解释:

Verifies that a specified pointer is in the local heap (debug version only).

这里的关键是in the LOCAL heap,外部dll不在此列,当然就出错了 -_-~!!!

 

把Debug模式换为Release,一切OK。 

 

哎 !  白忙活一场

# ChildEBP RetAddr Args to Child 00 (Inline) -------- -------- -------- -------- dll_repair!ATL::ChTraitsCRT<wchar_t>::StringCompare+0x5 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\atlmfc\include\cstringt.h @ 564] 01 (Inline) -------- -------- -------- -------- dll_repair!ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >::Compare+0x9 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\atlmfc\include\cstringt.h @ 1446] 02 (Inline) -------- -------- -------- -------- dll_repair!ATL::operator<+0xe [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\atlmfc\include\cstringt.h @ 2555] 03 1913f71c 61c5a6a6 0a082580 0b1b0718 6aa97f07 dll_repair!std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >::operator()+0x11 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\xstddef @ 141] 04 1913f764 61c5ca28 1913f794 21724f08 0b1b0718 dll_repair!std::_Tree<std::_Tmap_traits<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > >,std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >,std::allocator<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > >,0> >::_Insert_hint<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > &,std::_Tree_node<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > >,void *> *>+0xf6 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\xtree @ 1686] 05 (Inline) -------- -------- -------- -------- dll_repair!std::_Tree<std::_Tmap_traits<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > >,std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >,std::allocator<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > >,0> >::emplace_hint+0x28 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\xtree @ 1163] 06 (Inline) -------- -------- -------- -------- dll_repair!std::map<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > >,std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >,std::allocator<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > > >::_Try_emplace+0x63 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\map @ 232] 07 (Inline) -------- -------- -------- -------- dll_repair!std::map<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > >,std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >,std::allocator<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > > >::try_emplace+0x63 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\map @ 248] 08 1913f78c 61c5d871 1913f8b8 1913f8a8 6aa970af dll_repair!std::map<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > >,std::less<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > >,std::allocator<std::pair<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > const ,std::vector<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > >,std::allocator<ATL::CStringT<wchar_t,ATL::StrTraitATL<wchar_t,ATL::ChTraitsCRT<wchar_t> > > > > > > >::operator[]+0x68 [c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.16.27023\include\map @ 363]
最新发布
07-04
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