a3bfea631c
* fix(sandbox): serialize concurrent exec_command calls in AioSandbox The AIO sandbox container maintains a single persistent shell session that corrupts when multiple exec_command requests arrive concurrently (e.g. when ToolNode issues parallel tool_calls). The corrupted session returns 'ErrorObservation' strings as output, cascading into subsequent commands. Add a threading.Lock to AioSandbox to serialize shell commands. As a secondary defense, detect ErrorObservation in output and retry with a fresh session ID. Fixes #1433 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * fix(sandbox): address Copilot review findings - Fix shell injection in list_dir: use shlex.quote(path) to escape user-provided paths in the find command - Narrow ErrorObservation retry condition from broad substring match to the specific corruption signature to prevent false retries - Improve test_lock_prevents_concurrent_execution: use threading.Barrier to ensure all workers contend for the lock simultaneously - Improve test_list_dir_uses_lock: assert lock.locked() is True during exec_command to verify lock acquisition * style: auto-format with ruff --------- Co-authored-by: Matt Van Horn <455140+mvanhorn@users.noreply.github.com> Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> |
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