I got the same problem as Mariusz, but on Lubuntu 13.10 instead of Ubuntu 13.10:
sudo newusers users.csv *** Error in `newusers': free(): invalid next size (fast): 0x08e5f068 *** *** Error in `newusers': malloc(): memory corruption: 0x08e5f098 *** -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1266675 Title: newusers error adding more than one user To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shadow/+bug/1266675/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs