[Face Detection 推理出现段错误]Segmentation fault: 11

HTTP 任务启动起来后，第一次请求是正常的，但第二次请求，突然出现了段错误，同时整个服务挂了。

错误信息如下：

Segmentation fault: 11

Stack trace returned 10 entries:
[bt] (0) 0   libmxnet.so                         0x000000013c77de60 mxnet::op::NDArrayOpProp::~NDArrayOpProp() + 3024
[bt] (1) 1   libmxnet.so                         0x000000013e49ee26 mxnet::Storage::Get() + 4358
[bt] (2) 2   libsystem_platform.dylib            0x00007fff5fa8df5a _sigtramp + 26
[bt] (3) 3   ???                                 0x00007fddf177a3d0 0x0 + 140591215649744
[bt] (4) 4   libmkldnn.0.dylib                   0x0000000144e0f64e mkldnn::impl::cpu::jit_uni_reorder_t::execute(mkldnn::impl::event_t*) + 94
[bt] (5) 5   libmkldnn.0.dylib                   0x0000000144981039 mkldnn::impl::cpu::cpu_engine_t::submit(mkldnn_primitive*, mkldnn::impl::event_t*, mkldnn::impl::nstl::vector<mkldnn::impl::event_t*>&) + 121
[bt] (6) 6   libmkldnn.0.dylib                   0x000000014496ad15 mkldnn::impl::stream_eager_t::submit_impl(unsigned long, unsigned long, mkldnn_primitive**) + 805
[bt] (7) 7   libmkldnn.0.dylib                   0x000000014496a39f mkldnn_stream::submit(mkldnn::impl::nstl::vector<mkldnn_primitive*> const&, mkldnn_primitive**) + 287
[bt] (8) 8   libmkldnn.0.dylib                   0x000000014496a738 mkldnn_stream_submit + 184
[bt] (9) 9   libmxnet.so                         0x000000013c782092 std::__1::__tree<std::__1::__value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, mxnet::NDArrayFunctionReg*>, std::__1::__map_value_compare<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, mxnet::NDArrayFunctionReg*>, std::__1::less<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, mxnet::NDArrayFunctionReg*> > >::destroy(std::__1::__tree_node<std::__1::__value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, mxnet::NDArrayFunctionReg*>, void*>*) + 4482