hole in oven

My Smeg cooker is now 8 years old. It seems to have developed a hole in the base of the oven. I notice there are scrape marks by it and I have absolutely no idea how they got there! My first question is, is it safe to use the pyrolytic cleaning setting, or is it now too dangerous? In fact...

hi, Ive got a small hole in my oven and that area is rusty. Online ive found a heat resistant epoxy that says it will do the job, I also thought i can treat the rust and use heat resistant paint. Does that sound feasible ?