[Bug 1892825] Re: update-locale not perform correctly sanity checks

[Gunnar Hjalmarsson]

Thanks for your report. Submitted merge request which ought to prevent
this from happening.

https://salsa.debian.org/glibc-team/glibc/-/merge_requests/1

** Changed in: glibc (Ubuntu)
   Importance: Undecided => Medium

** Changed in: glibc (Ubuntu)
       Status: New => In Progress

** Changed in: glibc (Ubuntu)
     Assignee: (unassigned) => Gunnar Hjalmarsson (gunnarhj)

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https://bugs.launchpad.net/bugs/1892825

Title:
  update-locale not perform correctly sanity checks

Status in glibc package in Ubuntu:
  In Progress

Bug description:
  By passing wrong input as following:
   sudo update-locale LANGUAGE = en_US.UTF-8
  result is:
  ...
  #LANGUAGE=en
  =

  This "equal" sign that was added makes system completely
  unusable(can't run sudo anymore):

  bentzy at bentzy-nb:~$ sudo vim /etc/default/locale 
  sudo: pam_open_session: Bad item passed to pam_*_item()
  sudo: policy plugin failed session initialization

  Fixed it booting from installation disk and fixing corrupted
  /etc/default/locale

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: locales 2.31-0ubuntu9
  Uname: Linux 5.5.4-050504-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.6
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: KDE
  Date: Tue Aug 25 09:36:03 2020
  InstallationDate: Installed on 2020-08-17 (7 days ago)
  InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  PackageArchitecture: all
  SourcePackage: glibc
  UpgradeStatus: No upgrade log present (probably fresh install)

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