[Bug 1709670] [NEW] logrotate never recovers if the statefile is corrupted

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Eric Desrochers (slashd):

[Impact]

logrotate never recovers if the statefile is corrupted unless you remove it or fix the corruption by hand.
System will eventually run out of disk space on /var/log for instance.

[Test Case]

- Install logrotate
- Run "/etc/cron.daily/logrotate" ## The first logrotate run will generate the statefile "var/lib/logrotate/status"
- Modify "/var/lib/logrotate/status" by removing the first line in order to corrupt the file
- Re-run "/etc/cron.daily/logrotate" and one will get the following error : "error: bad top line in state file /var/lib/logrotate/status" every time you run logrotate

Unless you remove the statefile and start again or fix the corruption by
hand.

[Regression Potential]

 * Risk of potential regression is low, and couldn' be worst than the actual situation where logrotate doesn't recover from a corrupt statefile.
   The current patch does recover (after verification)

[Other Info]

* Upstream commit:
https://github.com/logrotate/logrotate/commit/b9d82003002c98370e4131a7e43c76afcd23306a

* Upstream bug:
https://github.com/logrotate/logrotate/issues/45

* Debian bug:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871592

** Affects: logrotate (Ubuntu)
     Importance: Medium
     Assignee: Eric Desrochers (slashd)
         Status: In Progress

** Affects: logrotate (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: logrotate (Ubuntu Xenial)
     Importance: Undecided
         Status: New

** Affects: logrotate (Ubuntu Zesty)
     Importance: Undecided
         Status: New

** Affects: logrotate (Ubuntu Artful)
     Importance: Medium
     Assignee: Eric Desrochers (slashd)
         Status: In Progress

** Affects: logrotate (Debian)
     Importance: Unknown
         Status: Unknown


** Tags: patch sts sts-sru-needed
-- 
logrotate never recovers if the statefile is corrupted
https://bugs.launchpad.net/bugs/1709670
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