Thank you for taking the time to report this bug and helping to make Ubuntu better. I appreciate the quality of this bug report and I'm sure it'll be helpful to others experiencing the same issue.
This sounds like an upstream bug to me. Please can you verify this by building directly from the latest upstream source? If this can be confirmed as an upstream bug, the best route to getting it fixed in Ubuntu in this case would be to file an upstream bug if you're able to do that. Otherwise, I'm not sure what we can do directly in Ubuntu to fix the problem. If you do end up filing an upstream bug, please link to it from here. Thanks! -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1661745 Title: ssh-keyscan does not exit with non-zero return code on error Status in openssh package in Ubuntu: New Bug description: On xenial, ssh-keyscan returns zero indicating success, when the command fails. root@cp1:~# lsb_release -d Description: Ubuntu 16.04.1 LTS root@cp1:~# ssh-keyscan -H -t ssh-rsa bad-host getaddrinfo bad-host: Name or service not known root@cp1:~# echo $? 0 On trusty, the exit status is non-zero as expected. root@integration-deployer:/home/ubuntu# lsb_release -d Description: Ubuntu 14.04.5 LTS root@integration-deployer:/home/ubuntu# ssh-keyscan -H -t ssh-rsa bad-host getaddrinfo bad-host: Name or service not known root@integration-deployer:/home/ubuntu# echo $? 255 This is a incompatibility between Ubuntu 14.04 and 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1661745/+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
