[Bug 1640001] Re: package libpam-modules 1.1.8-1ubuntu2.2 failed to install/upgrade: unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new': Permission denied

[Steve Langasek]

Thank you for reporting this issue and helping to improve Ubuntu.

  unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new':
Permission denied

This is not a bug in the Ubuntu PAM package, but instead points to
corruption on your filesystem or a problem with your hardware (since
dpkg runs as root and should never have permission denied when unpacking
packages).  Closing as invalid.

** Changed in: pam (Ubuntu)
       Status: New => Invalid

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Title:
  package libpam-modules 1.1.8-1ubuntu2.2 failed to install/upgrade:
  unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new':
  Permission denied

Status in pam package in Ubuntu:
  Invalid

Bug description:
  Running `do-release-upgrade` on ubuntu for windows died half way
  through.  This automatic bug report was created

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: libpam-modules 1.1.8-1ubuntu2.2
  Uname: Linux 3.4.0+ x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  Date: Tue Nov  8 16:01:32 2016
  Dmesg:
   
  DpkgTerminalLog:
   Preparing to unpack .../libpam-modules_1.1.8-3.2ubuntu2_amd64.deb ...
   Unpacking libpam-modules:amd64 (1.1.8-3.2ubuntu2) over (1.1.8-1ubuntu2.2) ...
   dpkg: error processing archive /var/cache/apt/archives/libpam-modules_1.1.8-3.2ubuntu2_amd64.deb (--unpack):
    unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new': Permission denied
  DuplicateSignature: package:libpam-modules:1.1.8-1ubuntu2.2:unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new': Permission denied
  ErrorMessage: unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new': Permission denied
  RelatedPackageVersions:
   dpkg 1.17.5ubuntu5.7
   apt  1.0.1ubuntu2.15
  SourcePackage: pam
  Title: package libpam-modules 1.1.8-1ubuntu2.2 failed to install/upgrade: unable to open '/lib/x86_64-linux-gnu/security/pam_unix.so.dpkg-new': Permission denied
  UpgradeStatus: Upgraded to xenial on 2016-11-08 (0 days ago)

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