Public bug reported: I had modified /etc/ssmtp/revaliases and /etc/ssmtp/ssmtp.config to give myself read access so that my backup routine could copy them.
After upgrading from 16.04 to 18.04 the permissions on both files were reset and only the group 'mail' was given read-write permission and 'others' were denied read access to ssmtp.config. The upgrader should NOT have done that. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.42 ProcVersionSignature: Ubuntu 4.15.0-135.139-generic 4.15.18 Uname: Linux 4.15.0-135-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.9-0ubuntu7.23 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Mon Feb 8 11:59:36 2021 InstallationDate: Installed on 2018-11-23 (807 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader Symptom: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2021-02-06 (1 days ago) VarLogDistupgradeTermlog: ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914970 Title: upgrade 16.04 -> 18.04 wrongly resets user permissions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1914970/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs