This bug was fixed in the package initramfs-tools - 0.139ubuntu3
--------------- initramfs-tools (0.139ubuntu3) hirsute; urgency=medium
* hooks/fsck: always include fsck binaries irrespective of PASSNO value, otherwise initrds fail to mount rootfs and have no ability to fix the rootfs. LP: #1917780
-- Dimitri John Ledkov <email address hidden> Wed, 24 Mar 2021 15:21:50 +0000
This bug was fixed in the package initramfs-tools - 0.139ubuntu3
---------------
initramfs-tools (0.139ubuntu3) hirsute; urgency=medium
* hooks/fsck: always include fsck binaries irrespective of PASSNO value,
otherwise initrds fail to mount rootfs and have no ability to fix the
rootfs. LP: #1917780
-- Dimitri John Ledkov <email address hidden> Wed, 24 Mar 2021 15:21:50 +0000