fix: acquire cached unmount race - #19873
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FrankChen021
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Aug 4, 2026
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I have reviewed the code for correctness, edge cases, concurrency, and integration risks; no issues found.
Reviewed 2 of 2 changed files.
This is an automated review by Codex GPT-5.6-Sol
cryptoe
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Aug 4, 2026
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Description
Fixes a race that can occur when acquiring a cached segment if it is unmounted before the reference provider can be fetched. The fix is to return an empty result instead of null (which can cause a npe).