Cannot interrupt hanging shell process

[evgenijkostin]

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• I have searched for duplicate or closed issues

Operating System

Ubuntu 24.04.4 LTS

Kiro Version

1.28.1

Bug Description

In --tui mode, if a shell command hangs (e.g. sudo without permissions, or network request to unreachable host), it cannot be interrupted by
Ctrl+C, Ctrl+Z or any other key combination. The only way out is to kill the kiro-cli process externally.

Steps to Reproduce

1. Run: kiro-cli chat --tui
2. Ask kiro to execute a hanging shell command, e.g.:
   • sudo command (without sudo rights)
   • curl to an unreachable host
3. Try to interrupt with Ctrl+C / Ctrl+Z

Expected: process is interrupted
Actual: no reaction, process hangs until killed externally

Note: works correctly without --tui

Expected Behavior

Ctrl+C interrupts the hanging shell process and returns control to the user.

Conversation ID

No response

Additional Context

No response

[github-actions]

🤖 Potential Duplicate Detected

This issue appears to be similar to:

• #6717: executeBash: Terminal hangs after successful command, agent receives "Signal was cancelled" (85% similar)
• #6238: Regression in 1.27.0: shell tool keeps stdin open, causing kubectl exec --stdin=true to hang (85% similar)
• #6183: No response after gradle-related tool using. (1.27) (85% similar)
• #6005: Kiro Stalls after running CLI Comands (85% similar)
• #5376: Bug Report: execute_bash Tool Blocking All Commands (85% similar)
• #6498: Feature Request: Configurable timeout for commands executed by Kiro (82% similar)

What happens next?

• ⏰ This issue will be automatically closed in 3 days
• 🏷️ If this is not a duplicate, you can prevent automatic closure by adding a comment or reacting with 👎 to this message.
• 💬 Comment on the original issue if you have additional information

Why is this marked as duplicate?
Both report terminal hanging issues with shell command execution, though #6717 mentions successful commands while the new issue focuses on hanging commands that cannot be interrupted