Just do my sloppy version of rust repair on that area and you won't getting your pad under your carpet wet if driving in the rain..
Before:
After:
For those asking what I used...Yes, that is aluminum foil tape commonly used in HVAC duct work installations...At least my feet won't get wet!...
its not a permanent fix, I am just not doing rust repair on this truck now. Only suspension and drive train because I want to drive it!