UDP socket sends garbage when excess length is specified

[farteryhr]

Version

v14.18.1

Platform

Microsoft Windows NT 10.0.19042.0 x64

Subsystem

No response

What steps will reproduce the bug?

https://www.cnblogs.com/ay-a/p/9822268.html

udp_client.send(SendBuff, 0, SendLen, 5678, '172.30.20.10');

Basically produces with the simplest setup, just add some magic to sendLen in client code.

How often does it reproduce? Is there a required condition?

No response

What is the expected behavior?

nice question. error? zero padding? truncation?

What do you see instead?

Additional information

wondering should this go in security?

[Linkgoron]

I think I've found the issue, working on the fix.