bool V4L2JpegEncodeAccelerator::EncodedInstanceDmaBuf::RequestInputBuffers() {
  DCHECK(parent_->encoder_task_runner_->BelongsToCurrentThread());
  struct v4l2_format format;
  memset(&format, 0, sizeof(format));
  format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
  format.fmt.pix_mp.pixelformat = input_buffer_pixelformat_;
  IOCTL_OR_ERROR_RETURN_FALSE(VIDIOC_G_FMT, &format);

  struct v4l2_requestbuffers reqbufs;
  memset(&reqbufs, 0, sizeof(reqbufs));
  reqbufs.count = kBufferCount;
  reqbufs.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
  reqbufs.memory = V4L2_MEMORY_DMABUF;
  IOCTL_OR_ERROR_RETURN_FALSE(VIDIOC_REQBUFS, &reqbufs);

  DCHECK(free_input_buffers_.empty());
  for (size_t i = 0; i < reqbufs.count; ++i) {
    free_input_buffers_.push_back(i);
  }

  return true;
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.