Re: [PATCH v3] hwrng: virtio: clamp device-reported used.len at copy_data()

[Herbert Xu]

On Sun, May 31, 2026 at 10:22:51AM -0400, Michael Bommarito wrote:
>
> +	size = min_t(unsigned int, size, avail - vi->data_idx);
> +	idx = array_index_nospec(vi->data_idx, sizeof(vi->data));
> +	memcpy(buf, vi->data + idx, size);

I don't see how nospec can help here.  Please enlighten me.

Thanks,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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