Atthakanagarasutta 4.6

4.6

No ce āsavānaṃ khayaṃ pāpuṇāti, teneva dhammarāgena tāya dhammanandiyā pañcannaṃ orambhāgiyānaṃ saṃyojanānaṃ parikkhayā opapātiko hoti tattha parinibbāyī anāvattidhammo tasmā lokā.

If they don’t attain the ending of defilements, with the ending of the five lower fetters they’re reborn spontaneously, because of their passion and love for that meditation. They are extinguished there, and are not liable to return from that world.