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help: segfault in boost::asio::detail::epoll_reactor::start_op while upload_from_stream in multiple threads
This issue is related to the following: https://github.com/Azure/azure-storage-cpp/issues/374
We hit a segfault while performing performance test with multiple threads (8 sessions) uploading 16 blobs simultaneously to the same bucket. Again our environment is: OS: SLES12SP3 Azure Storage C++ SDK: 7.0.0 REST C++ SDK: 2.10.14 libboost: 1.58
I wonder if you've seen the following trace before and any possible hint to work around it. Looks like the "descriptor_data" is 0x0 in start_op.
One of the Azure Storage C++ developer had pointed out a potential root cause due to the following: It seems to be a known issue for boost, the linked issue has a similar trace: arvidn/libtorrent#3084 There isn't a good update in the origin post for the root cause: https://svn.boost.org/trac10/ticket/7611#no2 I believe this is a CPPRest SDK issue, there is nothing that can be done from this SDK's perspective. This conclusion is drawn due to the linked issue being resolved by disabling the network thread pool, which is purely controlled by CPPRest.
I wonder from your end, would there be a possible workaround or hardening we can do to prevent this situation (segfault) to occur?
Let me know if you find anything while I am also digging. Your immediate reponse would be highly appreciated.
Many thanks,
Yang
Program terminated with signal SIGSEGV, Segmentation fault. #0 0x00007f3ef4ed0565 in boost::asio::detail::epoll_reactor::start_op (this=0x7f3ce009b6f0, op_type=1, descriptor=10, descriptor_data=@0x7f3d940404d0: 0x0, op=0x7f3c2401fdf0, is_continuation=true, allow_speculative=true) at /usr/local/include/boost/asio/detail/impl/epoll_reactor.ipp:219 219 /usr/local/include/boost/asio/detail/impl/epoll_reactor.ipp: No such file or directory. (gdb) bt #0 0x00007f3ef4ed0565 in boost::asio::detail::epoll_reactor::start_op (this=0x7f3ce009b6f0, op_type=1, descriptor=10, descriptor_data=@0x7f3d940404d0: 0x0, op=0x7f3c2401fdf0, is_continuation=true, allow_speculative=true) at /usr/local/include/boost/asio/detail/impl/epoll_reactor.ipp:219 #1 0x00007f3ef4ed6a18 in boost::asio::detail::reactive_socket_service_base::start_op (this=0x7f3ce00bbf88, impl=..., op_type=1, op=0x7f3c2401fdf0, is_continuation=true, is_non_blocking=true, noop=false) at /usr/local/include/boost/asio/detail/impl/reactive_socket_service_base.ipp:214 #2 0x00007f3ef4ff92a2 in boost::asio::detail::reactive_socket_service_base::async_send<boost::asio::mutable_buffers_1, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > > (this=0x7f3ce00bbf88, impl=..., buffers=..., flags=0, handler=...) at /usr/local/include/boost/asio/detail/reactive_socket_service_base.hpp:216 #3 0x00007f3ef4ff7210 in boost::asio::stream_socket_serviceboost::asio::ip::tcp::async_send<boost::asio::mutable_buffers_1, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > >(boost::asio::detail::reactive_socket_serviceboost::asio::ip::tcp::implementation_type&, boost::asio::mutable_buffers_1 const&, int, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >&&) (this=0x7f3ce00bbf60, impl=..., buffers=..., flags=0, handler=<unknown type in /opt/teradata/tdobject/lib/libcpprest.so.2.10, CU 0xb62f0c, DIE 0xc5f8a4>) at /usr/local/include/boost/asio/stream_socket_service.hpp:330 #4 0x00007f3ef4ff5102 in boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >::async_write_some<boost::asio::mutable_buffers_1, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > >(boost::asio::mutable_buffers_1 const&, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >&&) (this=0x7f3d940404c8, buffers=..., handler=<unknown type in /opt/teradata/tdobject/lib/libcpprest.so.2.10, CU 0xb62f0c, DIE 0xc5c49b>) at /usr/local/include/boost/asio/basic_stream_socket.hpp:732 #5 0x00007f3ef4ff273c in boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_strea---Type to continue, or q to quit--- mbuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >::operator() (this=0x7f3e893fc300, ec=..., bytes_transferred=0, start=1) at /usr/local/include/boost/asio/impl/write.hpp:258 #6 0x00007f3ef4fefa18 in boost::asio::async_write<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >(boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&, boost::asio::mutable_buffers_1 const&, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > >&&) (s=..., buffers=..., handler=<unknown type in /opt/teradata/tdobject/lib/libcpprest.so.2.10, CU 0xb62f0c, DIE 0xc53a5a>) at /usr/local/include/boost/asio/impl/write.hpp:621 #7 0x00007f3ef4fec1eb in boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > >::operator() (this=0x7f3e893fc550, ec=..., bytes_transferred=0, start=1) at /usr/local/include/boost/asio/ssl/detail/io.hpp:189 #8 0x00007f3ef4fe8853 in boost::asio::ssl::detail::async_io<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > (next_layer=..., core=..., op=..., handler=...) at /usr/local/include/boost/asio/ssl/detail/io.hpp:337 #9 0x00007f3ef4fe494a in boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>::async_write_some<boost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > >(boost::asio::const_buffers_1 const&, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > >&&) (this=0x7f3d940f3e20, buffers=..., handler=<unknown type in /opt/teradata/tdobject/lib/libcpprest.so.2.10, CU 0xb62f0c, DIE 0xc3fe4e>) at /usr/local/include/boost/asio/ssl/stream.hpp:646 #10 0x00007f3ef4fe0f06 in boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > >::operator() (this=0x7f3e893fcba8, ec=..., bytes_transferred=16384, start=0) at /usr/local/include/boost/asio/impl/write.hpp:334 #11 0x00007f3ef4fefabc in boost::asio::ssl::detail::write_opboost::asio::const_buffers_1::call_handler<boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > (this=0x7f3e893fcb78, handler=..., ec=..., ---Type to continue, or q to quit--- bytes_transferred=@0x7f3e893fc860: 16384) at /usr/local/include/boost/asio/ssl/detail/write_op.hpp:59 #12 0x00007f3ef4fec46f in boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > >::operator() (this=0x7f3e893fcb68, ec=..., bytes_transferred=16413, start=0) at /usr/local/include/boost/asio/ssl/detail/io.hpp:266 #13 0x00007f3ef4ff27f0 in boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >::operator() (this=0x7f3e893fcb40, ec=..., bytes_transferred=16413, start=0) at /usr/local/include/boost/asio/impl/write.hpp:269 #14 0x00007f3ef4ffeffb in boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>::operator() (this=0x7f3e893fcb40) at /usr/local/include/boost/asio/detail/bind_handler.hpp:127 #15 0x00007f3ef4ffef8b in boost::asio::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long> > (function=...) at /usr/local/include/boost/asio/handler_invoke_hook.hpp:69 #16 0x00007f3ef4ffee45 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > (function=..., context=...) at /usr/local/include/boost/asio/detail/handler_invoke_helpers.hpp:37 #17 0x00007f3ef4ffeccb in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boo---Type to continue, or q to quit--- st::system::error_code, unsigned long>, std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > (function=..., this_handler=0x7f3e893fcbd0) at /usr/local/include/boost/asio/impl/write.hpp:699 #18 0x00007f3ef4ffeb67 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > ( function=..., context=...) at /usr/local/include/boost/asio/detail/handler_invoke_helpers.hpp:37 #19 0x00007f3ef4ffe915 in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > (function=..., this_handler=0x7f3e893fcba8) at /usr/local/include/boost/asio/impl/write.hpp:565 #20 0x00007f3ef4ffe559 in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > (function=..., context=...) at /usr/local/include/boost/asio/detail/handler_invoke_helpers.hpp:37 #21 0x00007f3ef4ffe147 in boost::asio::ssl::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > (function=..., this_handler=0x7f3e893fcb68) at /usr/local/include/boost/asio/ssl/detail/io.hpp:320 ---Type to continue, or q to quit--- #22 0x00007f3ef4ffdd2a in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > (function=..., context=...) at /usr/local/include/boost/asio/detail/handler_invoke_helpers.hpp:37 #23 0x00007f3ef4ffd805 in boost::asio::detail::asio_handler_invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > (function=..., this_handler=0x7f3e893fcb40) at /usr/local/include/boost/asio/impl/write.hpp:565 #24 0x00007f3ef4ffd10d in boost_asio_handler_invoke_helpers::invoke<boost::asio::detail::binder2<boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > >, boost::system::error_code, unsigned long>, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::details::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> ()()> > > > > > > (function=..., context=...) at /usr/local/include/boost/asio/detail/handler_invoke_helpers.hpp:37 #25 0x00007f3ef4ffc371 in boost::asio::detail::reactive_socket_send_op<boost::asio::mutable_buffers_1, boost::asio::detail::write_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::mutable_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::ssl::detail::io_op<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >, boost::asio::ssl::detail::write_opboost::asio::const_buffers_1, boost::asio::detail::write_op<boost::asio::ssl::stream<boost::asio::basic_stream_socket<boost::asio::ip::tcp, boost::asio::stream_socket_serviceboost::asio::ip::tcp >&>, boost::asio::const_buffers_1, boost::asio::detail::transfer_all_t, boost::asio::detail::write_streambuf_handler<std::allocator, boost::_bi::bind_t<void, boost::_mfi::mf1<void, web::http::client::de---Type to continue, or q to quit--- tails::asio_context, boost::system::error_code const&>, boost::_bi::list2<boost::_bi::value<std::shared_ptrweb::http::client::details::asio_context >, boost::arg<1> (*)()> > > > > > >::do_complete (owner=0x7f3ce00613e0, base=0x7f3c2401fdf0) at /usr/local/include/boost/asio/detail/reactive_socket_send_op.hpp:107 #26 0x00007f3ef4ecf550 in boost::asio::detail::task_io_service_operation::complete (this=0x7f3c2401fdf0, owner=..., ec=..., bytes_transferred=0) at /usr/local/include/boost/asio/detail/task_io_service_operation.hpp:38 #27 0x00007f3ef4ed2058 in boost::asio::detail::task_io_service::do_run_one (this=0x7f3ce00613e0, lock=..., this_thread=..., ec=...) at /usr/local/include/boost/asio/detail/impl/task_io_service.ipp:372 #28 0x00007f3ef4ed1a8c in boost::asio::detail::task_io_service::run (this=0x7f3ce00613e0, ec=...) at /usr/local/include/boost/asio/detail/impl/task_io_service.ipp:149 #29 0x00007f3ef4ed2345 in boost::asio::io_service::run (this=0x7f3ef53fd248 <(anonymous namespace)::initialize_shared_threadpool(unsigned long)::uninit_threadpool+8>) at /usr/local/include/boost/asio/impl/io_service.ipp:59 #30 0x00007f3ef4fc3db9 in (anonymous namespace)::threadpool_impl::thread_start ( arg=0x7f3ef53fd240 <(anonymous namespace)::initialize_shared_threadpool(unsigned long)::uninit_threadpool>) at /home/jenkins/cpprestsdk-2.10.14/Release/src/pplx/threadpool.cpp:79 #31 0x00007f3ef4fc3ced in (anonymous namespace)::threadpool_impl::<lambda()>::operator()(void) const (__closure=0x7f3ce0062bd8) at /home/jenkins/cpprestsdk-2.10.14/Release/src/pplx/threadpool.cpp:64 #32 0x00007f3ef4fc47a2 in boost::asio::detail::posix_thread::func<(anonymous namespace)::threadpool_impl::add_thread()::<lambda()> >::run(void) (this=0x7f3ce0062bd0) at /usr/local/include/boost/asio/detail/posix_thread.hpp:82 #33 0x00007f3ef4ed72c9 in boost::asio::detail::boost_asio_detail_posix_thread_function (arg=0x7f3ce0062bd0) at /usr/local/include/boost/asio/detail/impl/posix_thread.ipp:64 #34 0x00007f41f94106b4 in start_thread () from /lib64/libpthread.so.0 #35 0x00007f41f2ed22dd in clone () from /lib64/libc.so.6 (gdb) (gdb) print descriptor_data $1 = (boost::asio::detail::epoll_reactor::per_descriptor_data &) @0x7f3d940404d0: 0x0 (gdb)
Hi I have same problem.... How resolve this problem? Thanks to give me help.
https://stackoverflow.com/questions/21500944/is-iptcpsocket-close-thread-safe
This article says boost::asio::socket object is not thread safe. I suppose that asio client and server should use strand to avoid race conditions.
