Experienced with bash-5.1_p16-r2, bash-completion-2.11, and util-linux-2.38.1. I tried to tab complete the shell in 'su - portage -s /bin/b<TAB>' and it exited displaying 'chsh --help' Reproducible: Always Steps to Reproduce: 1. su - portage -s /bin/b<TAB> Actual Results: chsh --help printed Expected Results: tab complete the shell