CLI Becomes Unresponsive After /permissions Execution; SIGINT Handling Failed

Open 💬 5 comments Opened May 30, 2026 by bogenc

💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

What version of Codex CLI is running?

0.135.0

What subscription do you have?

No subscription

Which model were you using?

gpt-5.5

What platform is your computer?

Microsoft Windows NT 10.0.26200.0 x64

What terminal emulator and version are you using (if applicable)?

Windows Terminal (Powershell)

Codex doctor report

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}

What issue are you seeing?

Executing the /permissions command causes the CLI to hang indefinitely, rendering the terminal unresponsive to user input. Standard interrupt signals (CTRL+C/SIGINT) are not processed, forcing users to kill the process externally.

https://github.com/user-attachments/assets/9b2c8d94-2f23-41c9-a603-6b19c71eae62

In the attached video above, it can be observed that other / commands work whereas when I execute /permissions it freezes the CLI, and even if I try to CTRL+C/SIGINT it isn't processed.

Possible Root Cause

Missing signal handler registration for SIGINT
Blocking operation without proper async/await or callback handling
Infinite loop in permission validation logic

What steps can reproduce the bug?

Launch the CLI
Try to execute /permissions, CLI will freeze
Attempt to interrupt with CTRL+C, won't work

What is the expected behavior?

The command should complete execution and return control to the prompt, or gracefully handle interruption signals.

Additional information

_No response_

View original on GitHub ↗

5 Comments

github-actions[bot] contributor · 2 months ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

#23610

Powered by Codex Action

etraut-openai contributor · 2 months ago

Thanks for the bug report. I have a theory, but I could use your help in validating it.

Add this to C:\Users\Bora\.codex\config.toml, restart Codex, then run /permissions again.

[notices]
hide_world_writable_warning = true

I’m asking because /permissions can synchronously run the Windows world-writable directory warning check while building the permissions menu. If that filesystem/ACL scan blocks, the TUI event loop would be stuck, which would also explain why Ctrl+C is not processed.

If setting hide_world_writable_warning = true makes /permissions open normally, that would strongly point to the world-writable scan path as the cause. If it still hangs, we can rule that out and look elsewhere.

bogenc · 2 months ago

That's a smart theory, but setting hide_world_writable_warning = true didn't resolve the issue, /permissions still won't open normally. I've also done some investigating on my own, particularly since this started after I updated Codex (possibly a coincidence). This isn't the first time it's happened either, but it had somehow resolves on its own (or maybe due to an action I took, no idea). I initially suspected a controlled folder bug and disabled ransomware protection entirely (which I had previously enabled), thinking the hash change on update might have revoked codex.exe's permissions. No luck there either. I'm honestly perplexed and running out of ideas at this point.

bogenc · 2 months ago

This just fixed it:
[notice]
hide_world_writable_warning = true
The correct syntax was notice instead of notices. So the issue is definitely due to the Windows world-writable directory warning. Spot on.

bogenc · 2 months ago

Hi @etraut-openai - just wanted to check in on this. Still running into it in the same Codex version. Any updates?