[Bug 2020177] Re: Leaking sessions in pam_systemd

[Nick Rosbrook]

** Changed in: systemd (Ubuntu)
       Status: Incomplete => Invalid

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Title:
  Leaking sessions in pam_systemd

Status in systemd package in Ubuntu:
  Invalid

Bug description:
  May 19 12:38:38 s20.wr0.ru sshd[3793128]: pam_systemd(sshd:session):
  Failed to create session: Maximum number of sessions (8192) reached,
  refusing further sessions.

  # loginctl list-sessions|wc -l
  8195

  
   # loginctl session-status 302548700
  302548700 - topaz (450)
             Since: Tue 2022-10-18 09:29:02; 7 months 0 days ago
            Leader: 2637625
            Remote: 92.42.15.122
           Service: sshd; type tty; class user
             State: closing
              Unit: session-302548700.scope

  # ps axf|wc -l
  72

  
  The only way I could figure to fix this is to reboot.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: systemd 245.4-4ubuntu3.21
  Uname: Linux 4.15.0 x86_64
  ApportVersion: 2.20.11-0ubuntu27.26
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDmesg:
   
  Date: Fri May 19 12:58:47 2023
  Lsusb: Error: [Errno 2] No such file or directory: 'lsusb'
  Lsusb-t: Error: [Errno 2] No such file or directory: 'lsusb'
  Lsusb-v: Error: [Errno 2] No such file or directory: 'lsusb'
  ProcEnviron:
   SHELL=/bin/bash
   LANG=en_US.utf8
   TERM=xterm-256color
   PATH=(custom, no user)
  ProcInterrupts: Error: [Errno 2] No such file or directory: '/proc/interrupts'
  ProcKernelCmdLine: quiet
  SourcePackage: systemd
  UpgradeStatus: Upgraded to focal on 2022-01-26 (478 days ago)
  acpidump:
   
  mtime.conffile..etc.systemd.journald.conf: 2022-08-19T16:13:27.570934

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