Public bug reported:
Binary package hint: cron
File in /var/spool/cron/crontabs are created with the name of the user
who owns it when running 'crontab -e'. Their permissions are set
properly. However, when a user is renamed, his access to these files is
not properly preserved by the cron system.
There are two solutions:
a) name the files with an assigned immutable identifier, specifically the POSIX
uid
b) open and locate files by enumerating the owner permission
Either solution solves the problem. Solution (a) is easier to code and
leads to less overall confusion on the users (why is foo a file for
foo2, and foo a file for bar?).
** Affects: cron (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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crontab in /var/spool/cron/crontabs are stored by username
https://launchpad.net/bugs/73398
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