it will stop when roslaunch the file after almost 3 seconds

[ch913394]

`PARAMETERS

• /dataset: /mnt/sdb/data_odo...
• /if_rviz: True
• /if_write_pose: False
• /rosdistro: noetic
• /rosversion: 1.15.11

NODES
/
run_vslam (stereo_visual_slam_main/run_vslam)
rviz (rviz/rviz)

auto-starting new master
process[master]: started with pid [25297]
ROS_MASTER_URI=http://localhost:11311

setting /run_id to b9144fba-bf12-11eb-a8d5-358abdcbb844
process[rosout-1]: started with pid [25307]
started core service [/rosout]
process[run_vslam-2]: started with pid [25310]
process[rviz-3]: started with pid [25315]
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
[run_vslam-2] process has died [pid 25310, exit code -6, cmd /home/xc/slam_ws/devel/lib/stereo_visual_slam_main/run_vslam __name:=run_vslam __log:=/home/xc/.ros/log/b9144fba-bf12-11eb-a8d5-358abdcbb844/run_vslam-2.log].
log file: /home/xc/.ros/log/b9144fba-bf12-11eb-a8d5-358abdcbb844/run_vslam-2*.log`

[ch913394]

It is ubuntu 20.0.4 noetic