munmap_chunk(): invalid pointer

[WeiyanCai]

Hi,
I just wanted to try your running example and then got the following error. Does anyone know the possible reason for it?
I built this project against the ROS version of Melodic.

`
$ rosrun mapper_emvs run_emvs --bag_filename=/home/weiyancai/Dataset/DAVIS240C/slider_depth.bag --flagfile=cfg/slider_depth.conf

1127 18:20:52.614800 8786 data_loading.cpp:100] Initial stamp: 1461581615.010418917
1127 18:20:52.741639 8786 depth_vector.hpp:133] Using linear spacing in inverse depth
1127 18:20:52.741664 8786 mapper_emvs.cpp:183] Specified DSI FoV < 10 deg. Will use camera FoV instead.
1127 18:20:52.741683 8786 mapper_emvs.cpp:191] Focal length of virtual camera: 328.308 pixels
1127 18:20:53.002171 8786 main.cpp:91] Time to evaluate DSI: 108 milliseconds
1127 18:20:53.002195 8786 main.cpp:92] Number of events processed: 1075290 events
1127 18:20:53.002207 8786 main.cpp:93] Number of events processed per second: 9.95639 Mev/s
1127 18:20:53.002219 8786 main.cpp:95] Mean square = 356.087
munmap_chunk(): invalid pointer
*** Aborted at 1574850053 (unix time) try "date -d @1574850053" if you are using GNU date ***
PC: @ 0x7f5d3cd23e97 gsignal
*** SIGABRT (@0x3e800002252) received by PID 8786 (TID 0x7f5d3ffd8680) from PID 8786; stack trace: ***
@ 0x7f5d3ec778b9 google::(anonymous namespace)::FailureSignalHandler()
@ 0x7f5d3dc70890 (unknown)
@ 0x7f5d3cd23e97 gsignal
@ 0x7f5d3cd25801 abort
@ 0x7f5d3cd6e897 (unknown)
@ 0x7f5d3cd7590a (unknown)
@ 0x7f5d3cd7cecc cfree
@ 0x7f5d3fa55e45 Grid3D::writeGridNpy()
@ 0x559ca5aad74c main
@ 0x7f5d3cd06b97 __libc_start_main
@ 0x559ca5aaeb0a _start
`