Thanks for the detailed analysis. I have uploaded a package for testing with the minimal fix in the following PPA:
https://launchpad.net/~mdeslaur/+archive/ubuntu/testing Once it's finished building, could someone please check if the package resolves their issue? If so, I'll upload it to proposed as an SRU. Thanks! ** Changed in: sudo (Ubuntu) Assignee: (unassigned) => Marc Deslauriers (mdeslaur) ** Changed in: sudo (Ubuntu Xenial) Assignee: (unassigned) => Marc Deslauriers (mdeslaur) ** Bug watch added: bugzilla.sudo.ws/ #743 http://bugzilla.sudo.ws/show_bug.cgi?id=743 ** Also affects: sudo via http://bugzilla.sudo.ws/show_bug.cgi?id=743 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to sudo in Ubuntu. https://bugs.launchpad.net/bugs/1565567 Title: segv in sudo_getgrgid Status in sudo: Unknown Status in sudo package in Ubuntu: Confirmed Status in sudo source package in Xenial: Confirmed Bug description: If the user is in a group with no name (because libnss-db got removed and the group was defined there, for example...) then: the call to sudo_debug_printf in sudo_getgrgid (plugins/sudoers/pwutil.c, line 462) causes a SEGV when trying to get item->d.gr->gr_name (since item->d.gr is NULL). To manage notifications about this bug go to: https://bugs.launchpad.net/sudo/+bug/1565567/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp