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Vibe codingHardvc-g190
Subject Ai code reviewLevel Senior~20 minCommon in Concurrency interviewsIndustries Software development

Question

An AI wrote this Python asyncio function that runs a task with a timeout and cleans up a temp resource. It uses asyncio.wait_for. Review the cancellation/cleanup behavior.

python
async def run_with_timeout(job):    resource = await acquire_resource()    try:        result = await asyncio.wait_for(process(job, resource), timeout=5)        return result    except asyncio.TimeoutError:        log.warning("job timed out")        return None    finally:        await release_resource(resource)

The author thinks cleanup is guaranteed. What subtle bug can leave the system in a bad state?

What a strong answer looks like

Treat the AI’s output as a draft to verify, not an answer to trust. Name the specific flaw and the input that triggers it, say how you’d catch it — tests, edge cases, reading critically — and how you’d re-prompt or decompose to get it right.

Learn the concepts
Describe your solution

Vibe coding: describe the solution in plain language (or narrate it) and the coach grades your approach. Generating runnable code from your description is coming next.

Run or narrate your approach, then ask the coach.