static void mptsas_scsi_uninit(PCIDevice *dev)
{
    MPTSASState *s = MPT_SAS(dev);

    qemu_bh_delete(s->request_bh);
    if (s->msi_in_use) {
        msi_uninit(dev);
    }
}

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.