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
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https://bugs.launchpad.net/bugs/1895453
Title:
in ksh, unalias command crashes ksh
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