crashed with a segmentation fault when use lck and evt

[".liu jonnary" <jonnaryliu@xxxxxxxxx>]

hi,

            Recenly,I 'm  developing a HA test program. I used lck as core module,and cooperated with evt and ckpt.

            desing  theory:When a lock is lock or unlock in a client,it will immediately send a evevnt. 

            Now   program's  basic function is normal.But When I do same abnormal test,I find several segmentation fault.

            1.I intentionally kill aisexec server in lock owner node,and the client  will  send a evevt notice.Then  Client crashed with a  a segmentation fault .

            

            basic function

case MESSAGE_RES_EVT_AVAILABLE:

evti->ei_data_available = 0;

 

  pthread_mutex_lock(&evti->ei_response_mutex);

                        //begin add solve  

                        if(NULL == evt)

                        {

                            error = SA_AIS_ERR_LIBRARY;

    goto dispatch_unlock;

                        }

                        //end

evt_recv_event(evti->ipc_ctx, &evt);       // segmentation fault in here

  pthread_mutex_unlock(&evti->ei_response_mutex);

if (evt->led_head.error == SA_AIS_ERR_NOT_EXIST) {

error = SA_AIS_OK;

break;

}

Regards

Jonnary

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