LayoutTests/fast/webgpu/regression/repro_275074.html

<script>
  globalThis.testRunner?.waitUntilDone();
  const log = globalThis.$vm?.print ?? console.log;

  onload = async () => {
    let adapter = await navigator.gpu.requestAdapter({});
    let device = await adapter.requestDevice({});
    device.pushErrorScope('validation');
    let storageBuffer = device.createBuffer({size: 260, usage: GPUBufferUsage.STORAGE});
    let outputBuffer = device.createBuffer({size: 4, usage: GPUBufferUsage.MAP_READ});
    let code = `
@group(0) @binding(0) var<storage, read_write> oob: array<u32, 65>;

@compute @workgroup_size(1)
fn c() {
  oob[64] = 11223344;
}
`;
    let bindGroupLayout = device.createBindGroupLayout({
      entries: [
        {binding: 0, visibility: GPUShaderStage.COMPUTE, buffer: {type: 'storage', hasDynamicOffset: true}},
      ],
    });
    let bindGroup0 = device.createBindGroup({
      layout: bindGroupLayout, entries: [
        {binding: 0, resource: {buffer: storageBuffer, size: 4, offset: 0}},
      ],
    });
    let module = device.createShaderModule({code});
    let pipeline = device.createComputePipeline({
      layout: device.createPipelineLayout({bindGroupLayouts: [bindGroupLayout]}),
      compute: {module},
    });
    let commandEncoder = device.createCommandEncoder();
    let computePassEncoder = commandEncoder.beginComputePass({});
    computePassEncoder.setPipeline(pipeline);
    computePassEncoder.setBindGroup(0, bindGroup0, [256]);
    computePassEncoder.dispatchWorkgroups(1);
    computePassEncoder.end();
    device.queue.submit([commandEncoder.finish()]);
    await device.queue.onSubmittedWorkDone();
    await outputBuffer.mapAsync(GPUMapMode.READ);
    let outputU32 = new Uint32Array(outputBuffer.getMappedRange());
    log(outputU32);
    outputBuffer.unmap();
    let error = await device.popErrorScope();
    if (error) {
      log('validation error');
      log(error.message);
    } else {
      log('no validation error');
    }
    globalThis.testRunner?.notifyDone();
  };
</script>