[Bug 1564451] Re: User processes are counted towards systemd limit for sshd processes (add libpam-systemd to openssh-server)

[ChristianEhrhardt]

Checking the reverse depends I don't see how this can really be missing on a Ubuntu system.
One package that depends on libpam-systemd is ubuntu-standard which should always be there.
This is really a depends, and not a recommends so on anything Ubuntu'esque it should always be installed.

Given these it should not be worth adding an SRU or general Delta to openssh which is co-maintained with Debian with as few Delta as possible.
In Debian OTOH since you are eventually still allowed to switch away from systemd I'm not sure if the'd want this.

If you think they would please open a bug there and link it here - that
would be very kind.

@Jens - on the issue here - was this a custom image of some sort or
anything created by Ubuntu, maybe there is the issue to be fixed?

** Tags removed: server-next

** Changed in: openssh (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1564451

Title:
  User processes are counted towards systemd limit for sshd processes
  (add libpam-systemd to openssh-server)

Status in systemd:
  New
Status in openssh package in Ubuntu:
  Incomplete

Bug description:
  When running Xenial, user processes are counted towards the limit for
  the ssh.service, with a limit of 512. So if I login as a normal user
  via ssh and start 512 processes, nobody will be able to login any more
  and even all other users currently logged in will not be able to start
  any new tasks. I'm not certain whether this behaviour is by design,
  but to me it looks like a critical DOS possibility, so tagging as
  security bug.

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