Rust Spot Origins

Close up shot of the inside of our clothes washer showing two of several points where the enamel is damaged and the drum is rusting. This apparently is the source of rust colored stains on towels accidentally left in the washer for a day. The real question is what, if anything, can be done to repair the enamel short of replaceing a washer that is otherwise quite functional?

 

This photo is illustrating this question at the Home Improvement stackoverflow site.

Done