external_image_info = ffi.automem(vulkan.vk.ExternalMemoryImageCreateInfoKHX)
    external_image_info[0] = {
        handleTypes = "OPAQUE_FD_BIT_KHX"
    }
    external_image = vulkan.Image(gpu, {
        pNext = external_image_info
        imageType = "2D"
        format = "R8G8B8A8_UNORM"
        extent = {width = 512, height = 512, depth = 1}
        mipLevels = 1
        arrayLayers = 1
        samples = "1_BIT"
        tiling = "OPTIMAL"
        usage = ["SAMPLED_BIT", "COLOR_ATTACHMENT_BIT"]
        initialLayout = "COLOR_ATTACHMENT_OPTIMAL"
    })

    req = external_image.getMemoryRequirements()
    memoryIndex = null
    for memtype in warpgpu.memory_report(gpu.physicalDevice).types
        if 1 & (req.memoryTypeBits >> memtype.index) != 0
            memoryIndex = memtype.index
    assert memoryIndex, "No memory available for this resource"

    mem_info = ffi.automem(vulkan.vk.MemoryAllocateInfo)
    export_info = ffi.automem(vulkan.vk.ExportMemoryAllocateInfoKHX)
    export_info[0] = {
        handleTypes = "OPAQUE_FD_BIT_KHX"
    }
    mem_info[0] = {
        #pNext = export_info # if I comment this away, no crash.
        allocationSize = 1024 * 32
        memoryTypeIndex = memoryIndex
    }
    mem = gpu.allocateMemory(mem_info) #CRASH

    external_image.bindMemory(mem, 0)