SSH connection hangs and stops responding after some time, effectively freezing WSL

[otaviosso]

Windows Version

Microsoft Windows [Version 10.0.19045.4412]

WSL Version

2.2.4.0

Are you using WSL 1 or WSL 2?

• WSL 2
• WSL 1

Kernel Version

5.15.153.1

Distro Version

Ubuntu 22.04

Other Software

OpenSSH_8.9p1 Ubuntu-3ubuntu0.7, OpenSSL 3.0.2 15 Mar 2022

Repro Steps

Default configuration and setup is being used.

1. Use ssh to connect to a server
2. Successfully log into the server
3. Run a command on said server
4. Let WSL run on the background for some time
5. Try to run a command

Expected Behavior

It was expected to run the command successfully.

Actual Behavior

You can neither type nor run anything, you have to close the window to interrupt WSL.

Diagnostic Logs

No response

[github-actions]

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If this a feature request, please reply with '/feature'. If this is a question, reply with '/question'.
Otherwise please attach logs by following the instructions below, your issue will not be reviewed unless they are added. These logs will help us understand what is going on in your machine.

How to collect WSL logs

Download and execute collect-wsl-logs.ps1 in an administrative powershell prompt:

Invoke-WebRequest -UseBasicParsing "https://raw.githubusercontent.com/microsoft/WSL/master/diagnostics/collect-wsl-logs.ps1" -OutFile collect-wsl-logs.ps1
Set-ExecutionPolicy Bypass -Scope Process -Force
.\collect-wsl-logs.ps1

The scipt will output the path of the log file once done.

Once completed please upload the output files to this Github issue.

Click here for more info on logging
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View similar issues

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it!

Open similar issues:

• systemd hangs and drops ssh connection (#10648), similarity score: 0.81
• SSH connections hanging from WSL2 (#4690), similarity score: 0.79
• ssh hangs (#8985), similarity score: 0.77

Closed similar issues:

• ssh interactive session gets broken after prolong working session. (#7809), similarity score: 0.79
• WSL hangs up and does not execute any commands (#10326), similarity score: 0.75

Note: You can give me feedback by thumbs upping or thumbs downing this comment.

[otaviosso]

WslLogs-2024-06-19_09-15-31.zip

[github-actions]

Diagnostic information

Detected appx version: 2.2.4.0
Unexpected format in optional-component.txt: State       : EnablePending

[otaviosso]

The same happens when using the built in Windows Terminal SSH client.

[otaviosso]

... And also happens on PuTTY. Seems like SSH is just broken on Windows 10.

[OneBlue]

This looks like either a networking issue, or an issue with the machine you're connecting to. Unfortunately this isn't something that can be solved from the WSL side.