Boost shared memory でのアロケートがうまく行かない？

uchar*のvectorを保持する構造体のvectorのアロケートがどうしてもうまく行きません。
main関数内のwhileの処理終了後にエラーが出ます。

main関数のwhileに入る前に

auto &data = Shared::locate(smt);

を実行したら必ずWhile文終了後にエラーになります。(core dump)
このエラーは何を意味しているのか検索しても出てきません。
どういうときに出るエラーなのですか？

#include <cv.h>
#include <cxcore.h>
#include <highgui.h>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/interprocess/managed_mapped_file.hpp> // use for Coliru
#include <boost/interprocess/containers/vector.hpp>   // boost/containers/vector.hpp
#include <boost/interprocess/containers/string.hpp>   // boost/containers/string.hpp
#include <iostream>
#include <sys/time.h>
#include <stdio.h>

 //                                                                    void_allocator;
namespace bip = boost::interprocess;

typedef unsigned char uchar;
//Typedefs of allocators and containers
typedef bip::managed_shared_memory::segment_manager                       segment_manager_t;
typedef bip::allocator<void, segment_manager_t>  void_allocator;

typedef void_allocator::rebind<uchar>::other                           uchar_allocator;
typedef bip::vector<uchar, uchar_allocator>                                   uchar_vector;



template <typename Alloc = std::allocator<uchar> >
struct BasicInData {

    public:
        BasicInData(Alloc alloc = {}) : image(alloc)
        { }

        template <typename T>
        BasicInData(double x, int sizeImg, uchar_vector& image, Alloc alloc = {}) :
            x(x), sizeImg(sizeImg), image(alloc)
        { }

        double x = 0;
        int sizeImg = 0;
        uchar_vector image;
};

using InData = BasicInData<>; // just heap allocated

namespace Shared {
    using segment                      = bip::managed_shared_memory;
    using segment_manager              = segment::segment_manager;

    template <typename T> using alloc  = bip::allocator<T, segment_manager>;
    template <typename T> using vector = bip::vector<T, alloc<T> >;

    using InData = BasicInData<alloc<uchar> >; // shared memory version

    vector<InData>& locate(segment& smt) {
        auto* v = smt.find_or_construct<vector<InData> >("InDataVector")(smt.get_segment_manager());
        assert(v);
        return *v;
    }
}


int main(int argc, char* argv[]) {

    if(argc == 1){ //Parent process
        // Remove shared memory on construction and destruction
        bip::shared_memory_object::remove("MySharedMemory");
        // Create a new segment with given name and size
        struct timeval tv;
        gettimeofday(&tv, NULL);
        struct shm_remove
        {
            shm_remove(){bip::shared_memory_object::remove("MySharedMemory");}
            ~shm_remove(){bip::shared_memory_object::remove("MySharedMemory");}
        }remover;
        Shared::segment smt(bip::create_only,"MySharedMemory", 100000000);
        auto &data = Shared::locate(smt);
        //Shared::alloc bip::alloc_inst (data);

        cv::Mat_<cv::Vec3b> mat;
        cv::VideoCapture vcap(0);

        Shared::InData id(smt.get_segment_manager());


        if (!vcap.isOpened())
            return -1;
        char count = 0;
        while (1) {
            vcap >> mat;
            printf ("count: %d \n", count); count++;
            int image_size = mat.total() * mat.elemSize();
            printf ("size: %d \n", image_size);
            id.sizeImg = image_size;
            printf ("id's sizeImg: %d \n", id.sizeImg * sizeof(uchar));
            id.image.resize(image_size * sizeof(uchar));
            int totalSize = image_size * sizeof(uchar);
            printf ("count: %d \n", count);
            memcpy(&id.image[0], mat.data, image_size * sizeof(uchar));
            //Launch child process
            gettimeofday(&tv, NULL);
            double time = ((double)tv.tv_usec/1000000);
            id.x = time;
            data.push_back(id);
            if((100000000 / count) <= (totalSize*20)){ printf("Getting video data done"); break; }
        }

        std::string s(argv[0]); s += " child";
        if(0 != std::system(s.c_str()))
            return 1;

        // check child has destroyed the vector
        if(smt.find<Shared::vector<InData>>("InDataVector").first)
            return 1;

    } else{
        // Open the managed segment
        bip::managed_shared_memory segment(bip::open_only, "MySharedMemory");

        // Find the vector using c-string name
        bip::vector<InData> *myvector = segment.find<bip::vector<InData>>("InDataVector").first;
        // Use vector in reverse order

        bip::vector<InData>::iterator it;

        cv::Mat_<cv::Vec3b> im;
        for(it = myvector->begin(); it !=myvector->end(); ++it){
            im.resize(it->sizeImg);
            memcpy(im.data, &it->image[0], it->sizeImg);
            cv::imshow("window1", im);
        }

        segment.destroy<bip::vector<InData>>("InDataVector");

        return 0;
    }
    return 0;
}