static void intel_pmu_disable_fixed(struct hw_perf_event *hwc)
{
	int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
	u64 ctrl_val, mask;

	mask = 0xfULL << (idx * 4);

	rdmsrl(hwc->config_base, ctrl_val);
	ctrl_val &= ~mask;
	wrmsrl(hwc->config_base, ctrl_val);
}

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.