Public bug reported:
Hiho,
Ubuntu 12.04, up to date as of mid-day on Nov 23rd 2012...
Summary: when running an unknown command in the background while one is
"su'd" to another user, the current user is logged out. This is best
shown with an example:
[stephan@host:~]$ sudo su -
[sudo] password for stephan:
root@host:~ # cd /etc/openvpn/clients/xyz/
root@host:/etc/openvpn/clients/xyz # emasc sbeal.conf & # NOTE THE MIS-TYPED
emasc AND THE &
[1] 24330
root@host:/etc/openvpn/clients/xyz # logout
# ^^^^ THIS LOGOUT IS EXECUTED BY THE COMMAND-NOT-FOUND HANDLER.
[stephan@host:~]$ No command 'emasc' found, did you mean:
Command 'emacs' from package 'emacs23-lucid' (universe)
Command 'emacs' from package 'e3' (universe)
Command 'emacs' from package 'emacs23-nox' (main)
Command 'emacs' from package 'jove' (universe)
Command 'emacs' from package 'emacs23' (main)
emasc: command not found
[stephan@host:~]$
Curiously, this does NOT happen if the command is run in the foreground:
[stephan@host:~]$ sudo su -
[sudo] password for stephan:
root@host:~ # cd /etc/openvpn/clients/xyz/
root@host:/etc/openvpn/clients/xyz # emasc sbeal.conf
No command 'emasc' found, did you mean:
Command 'emacs' from package 'emacs23-lucid' (universe)
Command 'emacs' from package 'e3' (universe)
Command 'emacs' from package 'emacs23-nox' (main)
Command 'emacs' from package 'jove' (universe)
Command 'emacs' from package 'emacs23' (main)
emasc: command not found
root@host:/etc/openvpn/clients/xyz #
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1082376
Title:
command not found handler logs user out in some cases
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