[Bug 1911440] Re: Build using distro minilzo

[Dimitri John Ledkov]

Using above system used for focal validation, did a do-release-upgrade
to normal groovy series, installed grub from groovy-proposed. perform
dpkg-reconfigure grub-pc, and reboot.

in grub console checked package version

grub> echo $package_version
2.04-1ubuntu35.2

and it booted correctly. Thus groovy-proposed is verified.

** Tags removed: verification-needed verification-needed-groovy
** Tags added: verification-done verification-done-groovy

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https://bugs.launchpad.net/bugs/1911440

Title:
  Build using distro minilzo

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2 source package in Focal:
  Fix Committed
Status in grub2-signed source package in Focal:
  Fix Committed
Status in grub2 source package in Groovy:
  Fix Committed
Status in grub2-signed source package in Groovy:
  Fix Committed
Status in grub2 source package in Hirsute:
  Fix Released
Status in grub2-signed source package in Hirsute:
  Fix Released

Bug description:
  [Impact]

   * grub2 builds freestanding libc-less minilzo library to be used by the bootloader code.
   * It has a vendorized copy of it, whilst the distribution has newer copies of it.
   * Specifically distribution build has FTBFS fixes for new compiler and CVE fixes, specifically https://ubuntu.com/security/cve-2014-4607

  CVE-2014-4607

   * Building grub with minilzo from the archive seems to be the best
  way to keep minilzo up to date and secure

  [Test Case]

   * Check that grub can open lzo compressed files in the command line
  prompt, for example by having /boot on btrfs filesystem with
  compress=lzo option.

  [Where problems could occur]

   * Changes limited to lzo compression, so for example grub may fail to
  mount / read data off btrfs filesystem with compress=lzo

  [Other Info]

  Fixed in:

  hirsute grub2 2.04-1ubuntu37
  hirsute grub2-signed 1.157

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