** Description changed:

+ [Impact]
+ Any user with unattended upgrades enabled and DKMS packages in a Secure Boot 
environment might be prompted to change Secure Boot policy, which will fail and 
crash in unattended-upgrades.
+ 
+ [Test case]
+ 1) Install new package
+ 2) Create /var/lib/dkms/TEST-DKMS
+ 3) Reboot triggering unattended-upgrades:
+ <process TBD>
+ 
+ Upgrade should run smoothly and complete without issue (see original
+ description).
+ 
+ [Regression Potential]
+ Any failure to prompt for or change Secure Boot policy in mokutil (crashes of 
update-secureboot-policy, higher CPU usage, etc.) would constitute a regression 
of this SRU.
+ 
+ Any other issues related to booting in Secure Boot mode should instead
+ be directed to bug 1637290 (shim update).
+ 
+ ---
+ 
  Currently, unattended-upgrades will automatically install all updates
  for those running development releases of Ubuntu (LP: #1649709)
  
  Today, my computer was acting very sluggish. Looking at my process list,
  I saw/ usr/sbin/update-secureboot-policy was using a log of CPU.
  
  I killed the process. I have a /var/crash/shim-signed.0.crash but since
  it's 750 MB, I didn't bother submitting it or looking at it more. Maybe
  it crashed because I killed the process. Also, I see that unattended-
  upgrades-dpkg.log is 722 MB.
  
  Today's update included both VirtualBox and the linux kernel.
  
  I am attaching an excerpt of /var/log/unattended-upgrades/unattended-
  upgrades-dpkg.log
  
  This message was repeated a very large number of times (but I only
  included it once in the attachment:
  
  "Invalid password
  
- The Secure Boot key you've entered is not valid. The password used must be 
+ The Secure Boot key you've entered is not valid. The password used must be
  between 8 and 16 characters."
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: shim-signed 1.23+0.9+1474479173.6c180c6-0ubuntu1
  ProcVersionSignature: Ubuntu 4.10.0-11.13-generic 4.10.1
  Uname: Linux 4.10.0-11-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.4-0ubuntu2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Mar 17 11:15:04 2017
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-02-23 (21 days ago)
  InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Alpha amd64 (20170219)
  SourcePackage: shim-signed
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1673817

Title:
  update-secure-boot-policy behaving badly with unattended-upgrades

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