I can confirm the bug on jessie. newusers file
works correctly if file contains just one line, but it fails when it has multiple entries *** Error in `newusers': free(): invalid next size (fast): 0xf95b5ed8 *** Aborted The bug is know also here https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1266675 Best, -- Mattia Monga -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org