Suspending codex-cli 0.142.5 (with Ctrl-Z) in kitty 0.32.2 leaves the terminal completely unusable

What version of Codex CLI is running?

codex-cli 0.142.5

What subscription do you have?

Pro

Which model were you using?

gpt-5.5

What platform is your computer?

Ubuntu noble

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

kitty 0.32.2

Codex doctor report

What issue are you seeing?

──────────────────────────────────────────────╮
│ >_ OpenAI Codex (v0.142.5) │
│ │
│ model: gpt-5.5 medium /model to change │
│ directory: /tmp/tmp │
╰──────────────────────────────────────────────╯

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gpt-5.5 medium · /tmp/tmp
[1]+ Stopped codex
$ 2::121;133:3u

Note garbage after the $ prompt on the last line. Every key press will generate more.

What steps can reproduce the bug?

Open kitty terminal emulator.
Run codex v0.142.5
Suspend codex session with Ctrl-Z
=> Your terminal is unusable

What is the expected behavior?

The terminal is in a defined (text) state, where e.g. shell commands can be entered.

Additional information

_No response_