There is a hard-coded limit of 42 characters in agetty, from util-linux.
I don't know why this limit exists, but reassigning there.
** Package changed: pam (Ubuntu) => util-linux (Ubuntu)
** Changed in: util-linux (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1865517
Title:
cannot log in with long username
Status in util-linux package in Ubuntu:
Triaged
Bug description:
We use ldap authentication with mail addresses as usernames.
So usernames are not posix and some are > 32 chars but are working.
Some of them fire a bug :
When trying to log, it doesn't asks for password, it just wait some seconds
then reset to ask username.
I can't clearly identify which regex fire the bug or not but this one does
"[email protected]"
I reproduce it on ubuntu 18.04 and 20.04 daylibuild.
In auth.log, that line pops up when bug is started
"Mar 2 16:23:14 premier agetty[97945]: checkname failed: Operation
not permitted"
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