Out-of-bounds read in populateBufferWithCopy #417

[sumcai]

PopulateBufferWithCopy actually calls deMemcpy, use buffer access range when copy data from blob.

void populateBufferWithCopy (void*                  buffer,
                             VkDeviceSize           size,
                             const void* const      blob)
{
    deMemcpy(buffer, blob, static_cast<size_t>(size));
}

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