[Bug 911753] Re: Wrong directive in config file cause server to crash

[Yongzhi Pan]

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Title:
  Wrong directive in config file cause server to crash

Status in “openssh” package in Ubuntu:
  New

Bug description:
  I added "PermitUserEnvironment Yes" in sshd_config file, and the
  server cannot start at all. Every attempt to start the server results
  in such error messages at the end of this report.

  The reason is I used 'Yes', which should be 'yes'. It is hard to find,
  since when starting the server, it seems OK:

  $ sudo /etc/init.d/ssh start
  [sudo] password for tux: 
  Rather than invoking init scripts through /etc/init.d, use the service(8)
  utility, e.g. service ssh start

  Since the script you are attempting to invoke has been converted to an
  Upstart job, you may also use the start(8) utility, e.g. start ssh
  ssh start/running, process 5780

  It does not report it as a config file error.

  --------------

  Syslog message:

  Jan  4 21:21:16 Neverland kernel: [ 5271.135175] init: ssh main process (5780) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.135236] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.147909] init: ssh main process (5783) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.147950] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.155092] init: ssh main process (5786) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.155127] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.163840] init: ssh main process (5789) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.163873] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.171317] init: ssh main process (5792) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.171348] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.178720] init: ssh main process (5795) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.178764] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.186037] init: ssh main process (5798) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.186080] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.194536] init: ssh main process (5801) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.194579] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.203290] init: ssh main process (5804) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.203331] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.210991] init: ssh main process (5807) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.211026] init: ssh main process ended, respawning
  Jan  4 21:21:16 Neverland kernel: [ 5271.217402] init: ssh main process (5810) terminated with status 255
  Jan  4 21:21:16 Neverland kernel: [ 5271.217424] init: ssh respawning too fast, stopped

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: openssh-server 1:5.8p1-7ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
  Uname: Linux 3.0.0-14-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Wed Jan  4 21:20:43 2012
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  SSHDConfig: Error: command ['gksu', '-D', 'Apport', '--', '/usr/sbin/sshd', '-T'] failed with exit code 255:
  SourcePackage: openssh
  UpgradeStatus: Upgraded to oneiric on 2011-10-14 (81 days ago)

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