Public bug reported: This is a regression in trusty.
Consider: $wbinfo -r jgg 1000 -1 10009 10011 10004 10003 -1 1002 -1 Results in: $ getent initgroups jgg jgg 4 24 27 30 46 108 124 1000 10009 10011 10004 10003 1002 $ id jgg uid=2009(jgg) gid=1000(orc) groups=1000(orc),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),108(lpadmin),124(sambashare),4294967295,10009(vpn_users),10011(xweb_users),10004(accounting),10003(domain_users),4294967295,1002(wsudoers),4294967295 Those 4294967295 values should not be in the group list. The underlying issue is that some of the AD groups the user is a part of are not UNIX groups, they are just general AD groups: $ ldapsearch uid=jgg memberOf dn: CN=Jason Gunthorpe,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=XWEB Users,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=VPN Users,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=accounting,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=wsudoers,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=Boards website editors,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=Parts website editors,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=adm,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=Domain Users,CN=Users,DC=ads,DC=orcorp,DC=ca memberOf: CN=Print Operators,CN=Builtin,DC=ads,DC=orcorp,DC=ca For instance, 'Print Operators' is not a UNIX group, it doesn't have the RFC2307 schema elements. # Print Operators, Builtin, ads.orcorp.ca dn: CN=Print Operators,CN=Builtin,DC=ads,DC=orcorp,DC=ca objectClass: top objectClass: group cn: Print Operators description: Members can administer domain printers member: CN=Jason Gunthorpe,CN=Users,DC=ads,DC=orcorp,DC=ca member: CN=Ian Crowe,CN=Users,DC=ads,DC=orcorp,DC=ca distinguishedName: CN=Print Operators,CN=Builtin,DC=ads,DC=orcorp,DC=ca instanceType: 4 whenCreated: 20080729165935.0Z whenChanged: 20080808163035.0Z uSNCreated: 8209 uSNChanged: 30817 name: Print Operators objectGUID:: SBkgyF4upEG4GO6bRhj17g== objectSid:: AQIAAAAAAAUgAAAAJgIAAA== adminCount: 1 sAMAccountName: Print Operators sAMAccountType: 536870912 systemFlags: -1946157056 groupType: -2147483643 objectCategory: CN=Group,CN=Schema,CN=Configuration,DC=ads,DC=orcorp,DC=ca isCriticalSystemObject: TRUE # wsudoers, Users, ads.orcorp.ca dn: CN=wsudoers,CN=Users,DC=ads,DC=orcorp,DC=ca objectClass: top objectClass: group cn: wsudoers description: Workstation Sudoers member: CN=Rolf Manderscheid,CN=Users,DC=ads,DC=orcorp,DC=ca member: CN=Jason Gunthorpe,CN=Users,DC=ads,DC=orcorp,DC=ca member: CN=Ian Crowe,CN=Users,DC=ads,DC=orcorp,DC=ca distinguishedName: CN=wsudoers,CN=Users,DC=ads,DC=orcorp,DC=ca instanceType: 4 whenCreated: 20080808044201.0Z whenChanged: 20111130193544.0Z uSNCreated: 30255 info: Members can use sudo on the workstations uSNChanged: 2007454 name: wsudoers objectGUID:: oYEd5AZTyESv6SHZoxBGeQ== objectSid:: AQUAAAAAAAUVAAAAmm48yDCxnAEu012CfgQAAA== sAMAccountName: wsudoers sAMAccountType: 536870912 managedBy: CN=Jason Gunthorpe,CN=Users,DC=ads,DC=orcorp,DC=ca groupType: -2147483644 objectCategory: CN=Group,CN=Schema,CN=Configuration,DC=ads,DC=orcorp,DC=ca msSFU30Name: wsudoers msSFU30NisDomain: ads gidNumber: 1002 ** Affects: samba (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1315565 Title: nss-winbind is returing -1 for supplemental groups To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1315565/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs