Public bug reported: ubuntu version 20.04.1 ksh version ksh_2020.0.0-5_amd64.deb
How to reproduce: Boot to LiveCD ubuntu-20.04.1-desktop-amd64.iso install ksh_2020.0.0-5_amd64.deb and binfmt-support_2.2.0-2_amd64.deb (ksh depends on binfmt-support) start ksh, type in 'unalias r' or any other existing aliases ksh will crash: ubuntu@ubuntu:~$ /usr/bin/ksh2020 $ unalias r free(): invalid pointer Aborted (core dumped) ** Affects: ksh (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1895453 Title: in ksh, unalias command crashes ksh To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ksh/+bug/1895453/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs