void AppLayerProtoDetectUnittestCtxRestore(void)
{
    SCEnter();
    alpd_ctx = alpd_ctx_ut;
    memset(&alpd_ctx_ut, 0, sizeof(alpd_ctx_ut));
    SCReturn;
}

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.