Fix use-after-free in json_validator sample #3668
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kennykerr
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Jul 16, 2025
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String::from_utf8_lossyreturns aCow<'_, str>that references the original memory when the input is considered valid UTF-8. Calling.into_owned()forces allocation of an ownedString, allowing us to safely free the FFI memory withCoTaskMemFree.