[Bug 1917780] Re: initramfs-tools does not include fsck binaries in the initrd if all mount pass are 0

[Ioanna Alifieraki]

#VERIFICATION BIONIC

On a bionic machine that has PASSNO set to 0 for all entries,
installed initramfs-tools from -proposed.

# lsinitramfs /boot/initrd.img-5.9.0-rc5+ | grep fsck
sbin/fsck.ext4
sbin/fsck
sbin/e2fsck

fsck utilities are included.

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

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https://bugs.launchpad.net/bugs/1917780

Title:
  initramfs-tools does not include fsck binaries in the initrd if all
  mount pass are 0

Status in initramfs-tools package in Ubuntu:
  Fix Released
Status in initramfs-tools source package in Bionic:
  Fix Committed
Status in initramfs-tools source package in Focal:
  Fix Committed
Status in initramfs-tools source package in Groovy:
  Fix Committed

Bug description:
  [Impact]

   * initramfs-tools does not include fsck in initrd if MNT_PASS equals
  zero in the fstab entries.

  This has lead to the following situation :
  when dropping to initramfs shell during boot due to fs errors, we are not able to run fsck manually
  because it is not included in initrd.

  fsck should be included regardless of the MNT_PASS value.

  [Test Plan]

   * change /etc/fstab with PASSNO set to 0 for all entries
   * update-initramfs -u
   * lsinitramfs that is just generated
   * observe that it includes fsck utilities for the filesystems in /etc/fstab. I.e. fsck.ext4 e2fsck must exist

  [Where problems could occur]

   * The initramfs size will increase slightly upon upgrade, for the
  same initramfs-tools default options & kernel. However, one can
  control and remove fsck binaries (or include more of them) by setting
  FSTYPE variable in the initramfs settings.

  [scope]

  this is required for b/f/g

  this is fixed already in h and i

  [other info]

  debian MR is open:
  https://salsa.debian.org/kernel-team/initramfs-tools/-/merge_requests/49

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