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  1. Core Server
  2. SERVER-44572

Windows null pointer read access violation in SSLHandshakeManager::doServerHandshake

    • Type: Icon: Bug Bug
    • Resolution: Won't Fix
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Security
    • None
    • ALL
    • Security 2019-12-02

      Very similar to SERVER-35125.

      Standalone Windows version:

      2019-11-08T22:53:52.747+0000 I  CONTROL  [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2
      2019-11-08T22:53:52.747+0000 I  CONTROL  [initandlisten] db version v4.3.0-2084-g6ef06c9
      2019-11-08T22:53:52.747+0000 I  CONTROL  [initandlisten] git version: 6ef06c9093462bec22c2219c341b0219f1864cca
      

      The server is crashing when the Python driver attempts to connect with this error:

      2019-11-08T22:53:54.585+0000 I  NETWORK  [listener] connection accepted from 127.0.0.1:49242 #2 (1 connection now open)
      2019-11-08T22:53:54.665+0000 F  CONTROL  [conn2] *** unhandled exception (access violation) at 0x0000000000000000, terminating
      2019-11-08T22:53:54.665+0000 F  CONTROL  [conn2] *** access violation was a DEP violation at 0x0
      2019-11-08T22:53:54.665+0000 F  CONTROL  [conn2] *** stack trace for unhandled exception:
      2019-11-08T22:53:54.836+0000 I  -        [conn2]                                                                                                                                        ???
      mongod.exe    ...\src\mongo\util\net\ssl\detail\impl\schannel.ipp(334)                                                                 asio::ssl::detail::SSLHandshakeManager::doServerHandshake+0x1b6
      mongod.exe    ...\src\mongo\util\net\ssl\detail\impl\schannel.ipp(100)                                                                 asio::ssl::detail::SSLHandshakeManager::nextHandshake+0x18d
      mongod.exe    ...\src\mongo\util\net\ssl\detail\impl\engine_schannel.ipp(103)                                                          asio::ssl::detail::engine::handshake+0x34
      mongod.exe    ...\src\mongo\util\net\ssl\detail\io.hpp(38)                                                                             asio::ssl::detail::io<asio::basic_stream_socket<asio::generic::stream_protocol>,asio::ssl::detail::buffered_handshake_op<asio::mutable_buffers_1> >+0x63
      mongod.exe    ...\src\mongo\transport\session_asio.h(617)                                                                              <lambda_3301ff84a878097d756749b8837dd279>::operator()+0xa6
      mongod.exe    ...\src\mongo\transport\session_asio.h(623)                                                                              mongo::transport::TransportLayerASIO::ASIOSession::maybeHandshakeSSLForIngress<asio::mutable_buffers_1>+0x2d8
      mongod.exe    ...\src\mongo\util\future_impl.h(893)                                                                                    <lambda_e8e27e0b91d6204c863d3216e6eb1b5f>::operator()+0x39
      mongod.exe    ...\src\mongo\transport\session_asio.h(402)                                                                              mongo::transport::TransportLayerASIO::ASIOSession::read<asio::mutable_buffers_1>+0xcb
      mongod.exe    ...\src\mongo\transport\session_asio.h(355)                                                                              mongo::transport::TransportLayerASIO::ASIOSession::sourceMessageImpl+0x80
      mongod.exe    ...\src\mongo\transport\session_asio.h(142)                                                                              mongo::transport::TransportLayerASIO::ASIOSession::sourceMessage+0x53
      mongod.exe    ...\src\mongo\transport\service_state_machine.cpp(307)                                                                   <lambda_5064a192bae23f40a4fe23ce2b3de124>::operator()+0x66
      mongod.exe    ...\src\mongo\transport\service_state_machine.cpp(517)                                                                   mongo::ServiceStateMachine::_runNextInGuard+0x127
      mongod.exe    c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.16.27023\include\functional(16707566)  std::_Func_impl_no_alloc<<lambda_b23af5efc3b61ab25bff0c3bcd13382b>,void>::_Do_call+0x5d
      mongod.exe    ...\src\mongo\transport\service_executor_synchronous.cpp(125)                                                            <lambda_472996f9e6b00ec91d31b43a6cde81f7>::operator()+0x13d
      mongod.exe    c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.16.27023\include\thr\xthread(230)      std::_LaunchPad<std::unique_ptr<std::tuple<<lambda_a107131b0689d694f9bc602dd323d0cb> >,std::default_delete<std::tuple<<lambda_a107131b0689d694f9bc602dd323d0cb> > > > >::_Go+0x80
      mongod.exe    c:\program files (x86)\microsoft visual studio\2017\professional\vc\tools\msvc\14.16.27023\include\thr\xthread(209)      std::_Pad::_Call_func+0x9
      ucrtbase.DLL                                                                                                                           o__realloc_base+0x60
      kernel32.dll                                                                                                                           BaseThreadInitThunk+0xd
      2019-11-08T22:53:54.836+0000 I  CONTROL  [conn2] writing minidump diagnostic file C:\data\mci\db0e56ad7f7f3e9c9801f00b59c62dd2\drivers-tools\mongodb\bin\mongod.2019-11-08T22-53-54.mdmp
      2019-11-08T22:53:55.164+0000 F  CONTROL  [conn2] *** immediate exit due to unhandled exception
      

      This is consistently happening in our Evergreen CI, for example: https://evergreen.mongodb.com/task/mongo_python_driver_tests_windows_vs2015_python_version_27plus__platform~windows_vs2015_auth_ssl~auth_ssl_python_version~win_vs2015_2.7_test_latest_standalone_9cf0fbd785086ef1702bbafd2ad92a279fe406e4_19_11_08_19_48_15

      The full mongo-orchestration log file (which includes the full mongod log) is here: mongo_python_driver_tests_windows_vs2015_python_version_27plus__platform_windows_vs2015_auth_ssl_auth_ssl_python_version_win_vs2015_2.7_test_latest_standalone_9cf0fbd785086ef1702bbafd2ad92a279fe406e4_19_11_08_19_48_15-0-orchestration.log.txt

            Assignee:
            mark.benvenuto@mongodb.com Mark Benvenuto
            Reporter:
            shane.harvey@mongodb.com Shane Harvey
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              Created:
              Updated:
              Resolved: