堆栈内存溢出
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当内存非常低时，线程内的srand（）导致堆栈溢出

[英]srand() inside thread causing stack overflow when memory was very low

 原文  2014-06-06 11:10:37  1   1    c/ multithreading/ visual-c++/ memory/ stack-overflow

问题描述

这是在Windows XP的VisualStudio中用C / C ++开发的多线程应用程序。

用户报告说它崩溃并显示错误“ Stack Overflow”

调试后，发现在计算机内存不足时，在导致“堆栈溢出”的线程之一中调用srand() 。 令人惊讶的是，在调用srand()的线程函数中没有引起大堆栈（静态数组等）的事情。

崩溃后的堆栈如下所示： 

 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 217    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x57674054, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x5767c1ec)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x57675158, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5767c1ec)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x57675158, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5767c1ec)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x57675158, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x5767c1ec)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5767c1ec)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5767c1ec)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x5767c974, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x57684b0c)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x5767da78, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x57684b0c)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x5767da78, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x57684b0c)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x5767da78, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x57684b0c)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x57684b0c)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x57684b0c)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x57685294, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x5768d42c)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x57686398, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5768d42c)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x57686398, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5768d42c)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x57686398, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x5768d42c)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5768d42c)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5768d42c)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x5768dbb4, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x57695d4c)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x5768ecb8, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x57695d4c)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x5768ecb8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x57695d4c)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x5768ecb8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x57695d4c)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x57695d4c)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x57695d4c)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x576964d4, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x5769e66c)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x576975d8, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5769e66c)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x576975d8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x5769e66c)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x576975d8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x5769e66c)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5769e66c)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x5769e66c)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x5769edf4, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x576a6f8c)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x5769fef8, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x576a6f8c)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x5769fef8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x576a6f8c)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x5769fef8, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x576a6f8c)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x576a6f8c)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x576a6f8c)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C

 MyApplication.exe!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x00000000)  Line 243 + 0x5 bytes    C++
 MyApplication.exe!_woutput_s_l(_iobuf * stream=0x576a7714, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * argptr=0x576af8ac)  Line 1023    C++
 MyApplication.exe!_vswprintf_helper(int (_iobuf *, const wchar_t *, localeinfo_struct *, char *)* woutfn=0x0047d580, unsigned short * string=0x576a8818, unsigned int count=4076, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x576af8ac)  Line 157 + 0x13 bytes    C
 MyApplication.exe!_vsnwprintf_s_l(unsigned short * string=0x576a8818, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, localeinfo_struct * plocinfo=0x00000000, char * ap=0x576af8ac)  Line 324 + 0x21 bytes    C
 MyApplication.exe!_vsnwprintf_s(unsigned short * string=0x576a8818, unsigned int sizeInWords=4096, unsigned int count=4075, const wchar_t * format=0x0049aca0, char * ap=0x576af8ac)  Line 376 + 0x1b bytes    C
 MyApplication.exe!_VCrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x576af8ac)  Line 515 + 0x36 bytes    C
 MyApplication.exe!_CrtDbgReportWV(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, char * arglist=0x576af8ac)  Line 241 + 0x1d bytes    C++
 MyApplication.exe!_CrtDbgReportW(int nRptType=1, const wchar_t * szFile=0x00000000, int nLine=0, const wchar_t * szModule=0x00000000, const wchar_t * szFormat=0x0049aca0, ...)  Line 258 + 0x1d bytes    C++
 MyApplication.exe!_NMSG_WRITE(int rterrnum=16)  Line 215 + 0x11 bytes    C
 MyApplication.exe!_amsg_exit(int rterrnum=16)  Line 441 + 0x9 bytes    C
 MyApplication.exe!_getptd()  Line 525 + 0x7 bytes    C
 MyApplication.exe!srand(unsigned int seed=231)  Line 37 + 0x5 bytes    C
>MyApplication.exe!ThreadFunction()  Line 126 + 0xa bytes   C++

因此，我们可以清楚地看到递归的调用块最终导致“堆栈溢出”

我想知道内存不足是否真的会导致堆栈溢出。 因此，我编写了试用代码来分配内存，直到内存变满，然后调用具有大堆栈分配的函数。

但是，程序没有失败。 下面是代码： 

void CallFunctionWithBigStack()
{
    char stack[10240];
    stack[10231] = 123; // Let's use 'stack' array so that optimizer won't discard it while compiling
    srand(stack[10231]);
}

void AllocateMem (int ChunkSize)
{
    unsigned char* ptr;
    unsigned int i=0;
    while(1)
    {
        ptr = (unsigned char*) malloc (ChunkSize);

        if (ptr)
            printf ("\nAllocating %d bytes", ChunkSize);
        else
        {
            printf ("\nERROR allocating memory");
            break;
        }

        i++;
    }
}

int _tmain(int argc, _TCHAR* argv[])
{
    // Allocate memory till it gets full
    AllocateMem (1024*1024*10); // Allocate in 10 of Megabytes
    AllocateMem (1024*1024); // Allocate in Megabytes
    AllocateMem (1024); // Allocate in Kilobytes

    // Now that memory is full, try calling function that has 10K stack
    CallFunctionWithBigStack();
    return 0;
}

所以我的问题是：

  1. 内存不足会导致“堆栈溢出”吗，尤其是当堆栈上没有太多内容且没有递归时。

  2. 还有什么可能导致srand（）在函数迭代中进行，从而导致堆栈溢出。

  3. 如果异常处理程序无法捕获“堆栈溢出”，那么当内存不足时如何处理该异常，该如何处理。

1 个解决方案

解决方案1
 0  2014-06-06 11:23:27

  1. 在这种情况下， srand正在调用另一个函数，该函数由于内存不足而失败，因此无法很好地恢复。 因此，递归和堆栈溢出。
  2. 请参阅答案1。这看起来像C运行时库中的错误。

您尝试了哪种异常处理？

暂无
暂无

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