Originally Posted by SamuelGerry
I had this too, a reboot fixed it. I thought I was going crazy.
Edit: I checked my running processes and it turns out to be lastpass at fault. There was a floating fingerprint overlay process I had to kill since it just returned.
Yeah, LastPass just added S5 fingerprint support, looks like it leaked to other devices, might want to file a bug report.
Phone - Google Nexus 5 White 32GB
ROM - Paranoid Android 4.45 Beta4
Kernel - Franco.Kernel R62
Recovery - TWRP 18.104.22.168 MultiROM with KitKat Holo theme
Retired Phones - Droid X2, HTC Rezound, HTC Droid DNA
Owner of PAC-ROM Build Machine NIGHTMARE