[Bug 1980018] Re: Cryptsetup-initramfs cant deal with tpm2-device option

[Petr Mandys]

Just one note to the patches (both from Lars and WM). There is a bug in
systemd_cryptsetup_hook. Line

copy_exec /lib/systemd/systemd-cryptsetup /lib/systemd

It creates a file /lib/systemd unless the directory /lib/systemd already
exists. It should be

copy_exec /lib/systemd/systemd-cryptsetup /lib/systemd/systemd-
cryptsetup

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Title:
  Cryptsetup-initramfs cant deal with tpm2-device option

Status in cryptsetup package in Ubuntu:
  Triaged

Bug description:
  In order to boot an encrypted system and autounlock with tpm2, the
  tpm2-device= option must be specified in  /etc/crypttab. This works
  for non-root filesystems for some reason, but when applied to root
  filesystems it doesnt. Tested working on both arch and fedora, so the
  method is good, something is off in the background.


  root at test:~# update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-5.15.0-40-generic
  cryptsetup: WARNING: sda3_crypt: ignoring unknown option 'tpm2-device'

  
  Manually adding it to  /lib/cryptsetup/functions produces this

  root at test:~# update-initramfs -u
  update-initramfs: Generating /boot/initrd.img-5.15.0-40-generic
  /usr/share/initramfs-tools/hooks/cryptroot: 1: eval: CRYPTTAB_OPTION_tpm2-device=auto: not found

  
  That file belongs to cryptsetup-initramfs

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