[Bug 1975467] Re: package passwd 1:4.8.1-1ubuntu5.20.04 [modified: usr/bin/passwd usr/sbin/userdel] failed to install/upgrade: unable to make backup link of './usr/bin/passwd' before installing new version: Operation not permitted

[Apport retracing service]

** Tags removed: need-duplicate-check

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Title:
  package passwd 1:4.8.1-1ubuntu5.20.04 [modified: usr/bin/passwd
  usr/sbin/userdel] failed to install/upgrade: unable to make backup
  link of './usr/bin/passwd' before installing new version: Operation
  not permitted

Status in shadow package in Ubuntu:
  New

Bug description:
  While updating Ubuntu 20.04.4 TLS I'm getting an error

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: passwd 1:4.8.1-1ubuntu5.20.04 [modified: usr/bin/passwd usr/sbin/userdel]
  ProcVersionSignature: Ubuntu 5.13.0-41.46~20.04.1-generic 5.13.19
  Uname: Linux 5.13.0-41-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Mon May 23 11:45:21 2022
  DuplicateSignature:
   package:passwd:1:4.8.1-1ubuntu5.20.04 [modified: usr/bin/passwd usr/sbin/userdel]
   Unpacking passwd (1:4.8.1-1ubuntu5.20.04.2) over (1:4.8.1-1ubuntu5.20.04) ...
   dpkg: error processing archive /tmp/apt-dpkg-install-43VTuR/5-passwd_1%3a4.8.1-1ubuntu5.20.04.2_amd64.deb (--unpack):
    unable to make backup link of './usr/bin/passwd' before installing new version: Operation not permitted
  ErrorMessage: unable to make backup link of './usr/bin/passwd' before installing new version: Operation not permitted
  InstallationDate: Installed on 2021-05-24 (363 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.8
  SourcePackage: shadow
  Title: package passwd 1:4.8.1-1ubuntu5.20.04 [modified: usr/bin/passwd usr/sbin/userdel] failed to install/upgrade: unable to make backup link of './usr/bin/passwd' before installing new version: Operation not permitted
  UpgradeStatus: No upgrade log present (probably fresh install)

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