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codex - 💡(How to fix) Fix Agent cannot interrupt spawned non-PTY command

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Root Cause

This happens when, for example, the agent accidentally issue a find command that is too broad (e.g. find ~ -name something, despite my AGENTS.md already forbidding it), then it may try to Ctrl-C it, but it fails because there's no PTY.

Code Example

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What version of Codex CLI is running?

0.130.0

What subscription do you have?

API

Which model were you using?

GPT 5.5

What platform is your computer?

Linux 6.8.0-124-generic x86_64 x86_64

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

Gnome terminal

Codex doctor report

not available

What issue are you seeing?

The agent cannot stop a running command spawned without a PTY.

This happens when, for example, the agent accidentally issue a find command that is too broad (e.g. find ~ -name something, despite my AGENTS.md already forbidding it), then it may try to Ctrl-C it, but it fails because there's no PTY.

What steps can reproduce the bug?

  1. Tell the agent to run find ~ -name something.
  2. Tell the agent to stop the command.
  3. It cannot. The command remains in the background, needlessly consuming CPU, unless the user manually /stop it.

What is the expected behavior?

That the agent is able to stop the command.

Additional information

No response

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codex - 💡(How to fix) Fix Agent cannot interrupt spawned non-PTY command