- segment_manager_index (sm), app->name, sm->app_wrk_index,
- pool_elts (sm->segments), format_memory_size, max_fifo_size,
- sm->high_watermark, sm->low_watermark,
+ segment_manager_index (sm), app ? app->name : 0,
+ sm->app_wrk_index, pool_elts (sm->segments), format_memory_size,
+ max_fifo_size, sm->high_watermark, sm->low_watermark,