Avril Lavigne is a great pal ... opening her doors to Ryan Cabrera and not charging him a cent.
The two had been spotted around LA together, sparking a bunch of dating rumors ... truth is, they're just longtime pals.
We're told Ryan's former girlfriend kicked him to the curb because of his hardcore boozing, and that's when Avril opened her doors.
Avril's been known to take care of guys with drinking problems ... she was married to Sum 41 frontman Deryck Whibley, and his out-of-control drinking reportedly caused the split.
Avril and Ryan have known each other for more than a decade. They're both seeing other people and we're told nothing romantic's going on.
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