[Bug 1597661] [NEW] When /boot is full, repeated mkinitramfs runs can fill up /

[Dan Watkins]

Public bug reported:

My /boot partition filled up so when I (or unattended upgrades) next
attempted to install a kernel, it failed.  On failure, mkinitramfs
leaves a temporary directory in /var/tmp.

If you (or unattended upgrades) do this enough times, you can end up
with substantial, non-obvious disk usage.

(I believe that this is fixed in Debian: https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=814345)

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: initramfs-tools 0.122ubuntu8
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Thu Jun 30 09:12:45 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-07-30 (700 days ago)
InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3)
PackageArchitecture: all
SourcePackage: initramfs-tools
UpgradeStatus: Upgraded to xenial on 2016-03-07 (114 days ago)

** Affects: initramfs-tools (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: initramfs-tools (Debian)
     Importance: Unknown
         Status: Unknown


** Tags: amd64 apport-bug xenial

** Bug watch added: Debian Bug tracker #814345
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814345

** Also affects: initramfs-tools (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814345
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1597661

Title:
  When /boot is full, repeated mkinitramfs runs can fill up /

Status in initramfs-tools package in Ubuntu:
  New
Status in initramfs-tools package in Debian:
  Unknown

Bug description:
  My /boot partition filled up so when I (or unattended upgrades) next
  attempted to install a kernel, it failed.  On failure, mkinitramfs
  leaves a temporary directory in /var/tmp.

  If you (or unattended upgrades) do this enough times, you can end up
  with substantial, non-obvious disk usage.

  (I believe that this is fixed in Debian: https://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=814345)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: initramfs-tools 0.122ubuntu8
  ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
  Uname: Linux 4.4.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  Date: Thu Jun 30 09:12:45 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-07-30 (700 days ago)
  InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3)
  PackageArchitecture: all
  SourcePackage: initramfs-tools
  UpgradeStatus: Upgraded to xenial on 2016-03-07 (114 days ago)

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