[Bug 926468] Re: Stopping ssh with a logged in user causes init to spin at 100%

[James Hunt]

@Jason: thanks for taking the time to look at this. Yes, I can confirm
your understanding of the problem as I had come to exactly the same
conclusion! :-) I have raised a bug on openssh for the stderr fd leak:
https://bugzilla.mindrot.org/show_bug.cgi?id=1976


** Bug watch added: OpenSSH Portable Bugzilla #1976
   https://bugzilla.mindrot.org/show_bug.cgi?id=1976

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https://bugs.launchpad.net/bugs/926468

Title:
  Stopping ssh with a logged in user causes init to spin at 100%

Status in “openssh” package in Ubuntu:
  Fix Released
Status in “upstart” package in Ubuntu:
  Triaged
Status in “openssh” source package in Precise:
  Fix Released
Status in “upstart” source package in Precise:
  Triaged

Bug description:
  Steps to reproduce:

  1) Boot the machine with --log on the kernel command line
  2) Log into the machine through ssh
  3) Execute: sudo stop ssh;
  4) The init process will spin with EAGAIN on one if its file descriptors
  5) Exit the remote ssh session and the service will stop

  The process appears to be looping in init/log.c:log_read_watch.

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