[adityareddy-dev]

importHistogram() reads the input several times while parsing CBOR. Copy SharedArrayBuffer-backed input first so concurrent worker writes cannot change the bytes during parsing, following the existing approach in Buffer.toString().

Fixes: #67152

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[MikeMcC399]

The recommendations in:

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[adityareddy-dev]

Thanks Mike, that makes sense. Closing this one for now and keeping #67243 open until it lands.