Operation interruption？

[BetterYong]

hello ,I am very interested in this project, but when I run into some problems, how to solve this problem?
~/pcc-master/sender/app$ ./appclient 127.0.0.1 9000 2>monitor_log
SendRate(Mb/s) RTT(ms) CWnd PktSndPeriod(us) RecvACK RecvNAK
2332.55 1.226 202678 172964 90 0
3283.09 0.984 484584 405760 140 0
3276.79 2.297 765929 631614 195 0
3237.49 1.081 1043896 860359 247 0
3238.69 1.302 1321977 1098856 297 0
3267.88 1.095 1602557 1331324 364 0
3226.62 0.897 1879598 1572917 418 0
3225.93 1.922 2156577 1813238 459 0
3242.16 1.574 2434947 2040442 502 0
3249.61 1.387 2713958 2270349 546 0
3235.4 1.756 2991767 2505809 594 0
Segment error (core dumped)

[adcen0107]

becuase of cwnd memory outbreak!