stack like this:
libcouchbase_debug.dll!ringbuffer_ensure_capacity(ringbuffer_st * buffer, unsigned long size) 行 62 C
libcouchbase_debug.dll!lcb_server_buffer_start_packet(lcb_server_st * c, const void * command_cookie, ringbuffer_st * buff, ringbuffer_st * buff_cookie, const void * data, unsigned long size) 行 47 C
libcouchbase_debug.dll!sasl_auth_response_handler(lcb_server_st * server, lcb_command_data_st * command_data, protocol_binary_response_header * res) 行 904 C
libcouchbase_debug.dll!lcb_dispatch_response(lcb_server_st * c, lcb_command_data_st * ct, protocol_binary_response_header * header) 行 1250 C
libcouchbase_debug.dll!lcb_proto_parse_single(lcb_server_st * c, unsigned __int64 stop) 行 215 C
libcouchbase_debug.dll!lcb_server_v1_read_handler(lcb_sockdata_st * sockptr, long nr) 行 165 C
libcouchbase_debug.dll!handle_single_overlapped(iocp_st * io, _OVERLAPPED * lpOverlapped, unsigned long lpCompletionKey, unsigned long dwNumberOfBytesTransferred) 行 109 C
libcouchbase_debug.dll!dequeue_io_impl_ex(iocp_st * io, unsigned long msTimeout) 行 193 C
libcouchbase_debug.dll!iocp_run(lcb_io_opt_st * iobase) 行 276 C
libcouchbase_debug.dll!lcb_wait(lcb_st * instance) 行 77 C
libcouchbase_debug.dll!lcb_synchandler_return(lcb_st * instance, lcb_error_t retcode) 行 276 C
libcouchbase_debug.dll!single_get(lcb_st * instance, const void * command_cookie, const lcb_get_cmd_st * item) 行 299 C
libcouchbase_debug.dll!lcb_get(lcb_st * instance, const void * command_cookie, unsigned long num, const lcb_get_cmd_st * const * items) 行 48 C
firegame_d.exe!DatabaseCache::get(const void * key, int keylen, int & len) 行 149 C++
firegame_d.exe!GameDbOperator::cache_getBeAttacked(DatabaseCache * cache, __int64 uid) 行 1799 C++
firegame_d.exe!GameSession::onRequestCheckBeAttacked(Socket * owner, int threadId, int peerId, Packet & packet) 行 639 C++
firegame_d.exe!GameMainThread::eventReceived(int threadId, int peerId, int msgId, Packet & packet) 行 241 C++
firegame_d.exe!NetManager::processPacket(int threadId) 行 133 C++
firegame_d.exe!workingThreadProxy(void * param) 行 52 C++