[pkg-cryptsetup-devel] Bug#974591: cryptsetup: `service cryptdisks stop` fails with `loop_cryptdevs: not found` and does not close disks

Peter Corlett abuse at cabal.org.uk
Thu Nov 12 18:17:43 GMT 2020

Package: cryptsetup
Version: 2:2.3.4-1
Severity: important

Dear Maintainer,

I can no longer do e.g. `/etc/init.d/cryptdisks stop` to close all unmounted encrypted devices
because it fails with `loop_cryptdevs: not found`. This error comes from line 198 of
/lib/cryptsetup/cryptdisks-functions, which appears to have been introduced last January in commit
863e91f0e763b92a5f70d84278116a28357e74eb by guilhem at debian.org. There is no command `loop_cryptdevs`
installed, nor is such a shell function defined.

Deleting the token `loop_cryptdevs` from the start of the line (retaining the rest of the line as
`do_stop_skipped $devno_rootfs $devno_usr`) seems to make it work well enough for my purposes.

A cursory Google (and DDG etc) for `loop_cryptdevs` finds nothing except this line, and it is
unclear what this broken code was supposed to achieve. It is however quite clear that it was
released without being tested.

-- Package-specific info:

-- System Information:
Debian Release: bullseye/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.9.0-1-amd64 (SMP w/8 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages cryptsetup depends on:
ii  cryptsetup-bin         2:2.3.4-1
ii  debconf [debconf-2.0]  1.5.74
ii  dmsetup                2:1.02.171-3
ii  libc6                  2.31-4

Versions of packages cryptsetup recommends:
ii  cryptsetup-initramfs  2:2.3.4-1
ii  cryptsetup-run        2:2.3.4-1

Versions of packages cryptsetup suggests:
ii  dosfstools              4.1-2
ii  keyutils                1.6.1-2
ii  liblocale-gettext-perl  1.07-4

-- debconf information:
* cryptsetup/prerm_active_mappings: true

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