Package: debsums
Version: 2.0.52
Severity: serious
User: [email protected]
Usertags: piuparts

Hi,

I reported #688739 about something modifying /etc/grub.d/05_debian_theme
during a squeeze->wheezy upgrade. Further analysis shows that this is a
spurious error. The files in /etc/grub.d are identical both after a
squeeze->wheezy upgrade of grub-pc and also after a fresh wheezy
installation of grub-pc.

The only difference I could find is here:


squeeze2wheezy# debsums -a grub-pc
/usr/lib/grub-legacy/update-grub                                              OK
/usr/sbin/upgrade-from-grub-legacy                                            OK
/usr/share/bug/grub-pc/presubj                                                OK
/usr/share/bug/grub-pc/script                                                 OK
/usr/share/man/man8/grub-install.8.gz                                         OK
/usr/share/man/man8/grub-mknetdir.8.gz                                        OK
/usr/share/man/man8/grub-setup.8.gz                                           OK
/etc/kernel/postinst.d/zz-update-grub                                         OK
/etc/kernel/postrm.d/zz-update-grub                                           OK
/etc/grub.d/05_debian_theme                                               FAILED

squeeze2wheezy# dpkg -S /etc/grub.d/05_debian_theme
grub-common: /etc/grub.d/05_debian_theme

squeeze2wheezy# grep etc/grub.d/05_debian_theme /var/lib/dpkg/info/*
/var/lib/dpkg/info/grub-common.conffiles:/etc/grub.d/05_debian_theme
/var/lib/dpkg/info/grub-common.list:/etc/grub.d/05_debian_theme


wheezy# debsums -a grub-pc
/usr/lib/grub-legacy/update-grub                                              OK
/usr/sbin/upgrade-from-grub-legacy                                            OK
/usr/share/bug/grub-pc/presubj                                                OK
/usr/share/bug/grub-pc/script                                                 OK
/usr/share/man/man8/grub-install.8.gz                                         OK
/usr/share/man/man8/grub-mknetdir.8.gz                                        OK
/usr/share/man/man8/grub-setup.8.gz                                           OK
/etc/kernel/postinst.d/zz-update-grub                                         OK
/etc/kernel/postrm.d/zz-update-grub                                           OK

wheezy# dpkg -S /etc/grub.d/05_debian_theme
grub-common: /etc/grub.d/05_debian_theme

wheezy# grep etc/grub.d/05_debian_theme /var/lib/dpkg/info/*
/var/lib/dpkg/info/grub-common.conffiles:/etc/grub.d/05_debian_theme
/var/lib/dpkg/info/grub-common.list:/etc/grub.d/05_debian_theme


How can debsums report a md5sum mismatch for a file owned by a
completely different package?

Setting the severity to serious - if there are false positives - are
there false negatives too?


Andreas


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