Presumably steps to reproduce would be: a. Install an old clamav version $ sudo apt-get update $ sudo apt-get install clamav-base=1.0.5+dfsg-1.1ubuntu3
b. Remove the clamav user and/or group $ grep clamav /etc/passwd clamav:x:111:116::/var/lib/clamav:/bin/false $ sudo deluser clamav info: Removing crontab ... info: Removing user `clamav' ... c. Upgrade clamav $ sudo apt-get dist-upgrade Preparing to unpack .../clamav-base_1.4.3+dfsg-0ubuntu0.24.04.1_all.deb ... Unpacking clamav-base (1.4.3+dfsg-0ubuntu0.24.04.1) over (1.0.5+dfsg-1.1ubuntu3) ... Setting up clamav-base (1.4.3+dfsg-0ubuntu0.24.04.1) ... chown: invalid user: ‘clamav:clamav’ dpkg: error processing package clamav-base (--configure): installed clamav-base package post-installation script subprocess returned error exit status 1 Errors were encountered while processing: clamav-base E: Sub-process /usr/bin/dpkg returned an error code (1) ** Description changed: package clamav-base 1.4.3+dfsg-0ubuntu0.24.04.1 failed to install/upgrade: installed clamav-base package post-installation script subprocess returned error exit status 1 Error message is: chown: invalid user: ‘clamav:clamav’ + + Workaround is to manually create the clamav user and group. + Another workaround would be to backup any customized clamav config and then `sudo apt-get purge clamav*` and reinstall from scratch. ProblemType: Package DistroRelease: Ubuntu 24.04 Package: clamav-base 1.4.3+dfsg-0ubuntu0.24.04.1 ProcVersionSignature: Ubuntu 6.11.0-29.29~24.04.1-generic 6.11.11 Uname: Linux 6.11.0-29-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.28.1-0ubuntu3.7 Architecture: amd64 CasperMD5CheckResult: pass Date: Wed Jul 2 18:03:28 2025 ErrorMessage: installed clamav-base package post-installation script subprocess returned error exit status 1 InstallationDate: Installed on 2024-11-23 (221 days ago) InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1) PackageArchitecture: all ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-6.11.0-29-generic root=UUID=8ebabfdc-452c-4287-ba52-6a9f01f131e3 ro quiet splash vt.handoff=7 Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal, 3.12.3-0ubuntu2 PythonDetails: N/A RelatedPackageVersions: dpkg 1.22.6ubuntu6.1 apt 2.8.3 SourcePackage: clamav Title: package clamav-base 1.4.3+dfsg-0ubuntu0.24.04.1 failed to install/upgrade: installed clamav-base package post-installation script subprocess returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2115832 Title: package clamav-base 1.4.3+dfsg-0ubuntu0.24.04.1 failed to install/upgrade: chown: invalid user: ‘clamav:clamav’ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/2115832/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
