WARNING: CPU: 2 PID: 4415 at lib/idr.c:527 idr_remove.part.6+0x243/0x250()

[poma]

Ahoy!

My trace is the last one, therefore per LIFO I am sending this report to
you.

 ------------[ cut here ]------------
 WARNING: CPU: 2 PID: 4415 at lib/idr.c:527 idr_remove.part.6+0x243/0x250()
 idr_remove called for id=136 which is not allocated.
 CPU: 2 PID: 4415 Comm: systemd Not tainted 3.12.10-300.fc20.x86_64 #1
 Call Trace:
  [<ffffffff81667ed5>] dump_stack+0x45/0x56
  [<ffffffff8106903d>] warn_slowpath_common+0x7d/0xa0
  [<ffffffff810690ac>] warn_slowpath_fmt+0x4c/0x50
  [<ffffffff81304073>] idr_remove.part.6+0x243/0x250
  [<ffffffff811c458c>] ? d_walk+0xdc/0x2a0
  [<ffffffff8130408d>] idr_remove+0xd/0x10
  [<ffffffff810defa6>] cgroup_destroy_css_killed+0x46/0x70
  [<ffffffff810e1c98>] cgroup_destroy_locked+0x2d8/0x310
  [<ffffffff810e1cf2>] cgroup_rmdir+0x22/0x40
  [<ffffffff811bc108>] vfs_rmdir+0xa8/0x100
  [<ffffffff811bc2dd>] do_rmdir+0x17d/0x1d0
  [<ffffffff81087b6c>] ? task_work_run+0xac/0xe0
  [<ffffffff81012a21>] ? do_notify_resume+0x61/0xa0
  [<ffffffff811bf616>] SyS_rmdir+0x16/0x20
  [<ffffffff81676ea9>] system_call_fastpath+0x16/0x1b
 ---[ end trace 4ebc2893b27b190d ]---

There are a bunch of here:
https://bugzilla.redhat.com/show_bug.cgi?id=1045755

Thanks.

poma


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