ffi: reject detached ArrayBufferViews - #65086
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Detached ArrayBuffers were rejected with ERR_INVALID_ARG_VALUE, but detached views were not: typed arrays exported zero bytes and DataViews threw a bare TypeError from byteLength. Track detachment in ArrayBufferViewContents::Read() and skip the JS length check for detached buffers, so every detached input is rejected. Signed-off-by: Kamat, Trivikram <16024985+trivikr@users.noreply.github.com> Assisted-by: codex:gpt-5.6-sol
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Fixes: #65085
Detached ArrayBuffers were rejected with ERR_INVALID_ARG_VALUE, but detached views were not: typed arrays exported zero bytes and DataViews threw a bare TypeError from byteLength.
Track detachment in ArrayBufferViewContents::Read() and skip the JS length check for detached buffers, so every detached input is rejected.
Assisted-by: codex:gpt-5.6-sol