The upgrade from 4.4.0-36 to 4.4.0-38 is what broke autofs and sshfs. I
posted this bug because it was not listed as a security issue. Since this
bug forces a switch from certificates to password authentication, it should
be considered as a security problem and the severity should be escalated.
Apparently Ubuntu staff do not agree.

Gerald
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Gerald Lovel   |  901.276.1004
<email address hidden> |  AAltSys.com
AAltSys Technology Center
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On Wed, Oct 5, 2016 at 7:24 PM, Fabio <email address hidden> wrote:

> I had the same problem after doing a "do-release-upgrade" from 14.04 to
> 16.04 on October 5, 2016.
> The kernel installed by default was 4.4.0-38.
>
> After reading this thread I installed 4.4.0-40.60.
> With both 4.4.0-38 and 4.4.0-40.60 I have the problem of $USER being
> mapped to root instead of to the current user.
>
> I then installed kernel 4.4.0-36 (which I'm using on other VMs that were
> upgraded a few weeks back) and everything worked just fine.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1628586).
> https://bugs.launchpad.net/bugs/1626749
>
> Title:
>   autofs set $USER to "root" instead of current user
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Since last kernel upgrade from 4.4.0-36 to 4.4.0-38 automount failed to
> mount remote smb FS.
>   The configuration file use $USER, $UID and $GID variables :
>   i.e. :
>   music -fstype=cifs,credentials=/home/$USER/.creds-file,user=$USER,uid=$UID,gid=$GID
> ://192.168.1.9/music
>
>   When a user account try to mount the FS, automount complain :
>
>    >> error 2 (No such file or directory) opening credential file
>   /home/root/.creds-file
>
>   $USER, $UID and $GID are now sets with root variables instead of user
>   account variables
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 16.04
>   Package: autofs 5.1.1-1ubuntu3
>   ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
>   Uname: Linux 4.4.0-38-generic x86_64
>   ApportVersion: 2.20.1-0ubuntu2.1
>   Architecture: amd64
>   Date: Thu Sep 22 23:17:27 2016
>   ExecutablePath: /usr/sbin/automount
>   InstallationDate: Installed on 2016-02-07 (228 days ago)
>   InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64
> (20151021)
>   ProcEnviron:
>    PATH=(custom, no user)
>    LANG=fr_FR.UTF-8
>   SourcePackage: autofs
>   UpgradeStatus: Upgraded to xenial on 2016-04-28 (147 days ago)
>   ---
>   ApportVersion: 2.20.1-0ubuntu2.1
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  nicolas    1941 F.... pulseaudio
>   DistroRelease: Ubuntu 16.04
>   HibernationDevice: RESUME=UUID=1ad9a17c-8b27-4436-a024-6c9ae99a5b87
>   InstallationDate: Installed on 2016-02-07 (228 days ago)
>   InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64
> (20151021)
>   MachineType: Sony Corporation SVS1511R9ES
>   Package: linux (not installed)
>   ProcEnviron:
>    LANGUAGE=fr_FR
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    LANG=fr_FR.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-38-generic.efi.signed
> root=UUID=df815dd3-2e1b-42d3-aef8-1823eb5d4f75 ro quiet splash
> vt.handoff=7
>   ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
>   PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
> PulseAudio daemon running, or not running as session daemon.
>   RelatedPackageVersions:
>    linux-restricted-modules-4.4.0-38-generic N/A
>    linux-backports-modules-4.4.0-38-generic  N/A
>    linux-firmware                            1.157.3
>   Tags:  xenial
>   Uname: Linux 4.4.0-38-generic x86_64
>   UpgradeStatus: Upgraded to xenial on 2016-04-28 (147 days ago)
>   UserGroups:
>
>   _MarkForUpload: True
>   dmi.bios.date: 03/30/2012
>   dmi.bios.vendor: Insyde Corp.
>   dmi.bios.version: R0140C5
>   dmi.board.asset.tag: N/A
>   dmi.board.name: VAIO
>   dmi.board.vendor: Sony Corporation
>   dmi.board.version: N/A
>   dmi.chassis.asset.tag: N/A
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: Sony Corporation
>   dmi.chassis.version: N/A
>   dmi.modalias: dmi:bvnInsydeCorp.:bvrR0140C5:bd03/30/2012:
> svnSonyCorporation:pnSVS1511R9ES:pvrC60AGQAL:rvnSonyCorporation:rnVAIO:
> rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
>   dmi.product.name: SVS1511R9ES
>   dmi.product.version: C60AGQAL
>   dmi.sys.vendor: Sony Corporation
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
> 1626749/+subscriptions
>