windows/ssh results in unpredictable console window sizing, behavior

[riverar]

Using baked in ssh (OpenSSH_for_Windows_7.6p1, LibreSSL 2.6.4), resizing the console window and typing results in strange console window behavior. It also results in a character that cannot be erased from the screen (without a full clear). Both of these issues are demoed in the animated graphic below. None of these issues reproduce with cmd, wsl, or wsl-provided ssh. (But I was told to report the issue here.)

I am not using the legacy console mode. Windows 10 17123 rs4_release.

Steps:

1. Start > Run > ssh user@host
2. Type in a few characters, note normal behavior
3. Resize the window vertically
4. Type in a few characters, note window changes height unexpectedly

[bitcrazed]

Hey @zadjii-msft - you seen this before?

[zadjii-msft]

I'm not sure that this is WSL related at all.

If your setup is [OpenSSH Client] -> [inbox sshd], then we can assume that sshd is acting properly, and this would be a bug in the OpenSSH client.

If this is [OpenSSH Client] -> [OpenSSH Server on WSL] then this is probably a problem with either the OpenSSHd or OpenSSH client implementation. Is there a OpenSSH bug that this is related too?

[riverar]

Looks like this is one of many known issues PowerShell/Win32-OpenSSH#1109 (comment)

[bitcrazed]

Looks like it. We're meeting with the OpenSSH team this week and will discuss. Closing this issue as a dupe of PowerShell/Win32-OpenSSH#1109

Thanks for reporting though :)