linux-modules for -kvm does not include dm-crypt

[Scott Moser]

I was playing with an lxc virtual machine today and attempted some use of luks. a cryptseutp open fails with strange error message:

$ printf %s foobar | cryptsetup open --type=luks --key-file=- /dev/atom0/smtest_enc smtest
device-mapper: reload ioctl on failed: Invalid argument
$ echo $?
1

The reason is that the '-kvm' variant does not include dm-crypt.ko kernel module.

That by itself doens't seem like all that crazy of a thing, but if you notice the following 4 all do have dm-crypt, -kvm seems like it should not be an outlier.

linux-modules-5.15.0-1013-aws: /lib/modules/5.15.0-1013-aws/kernel/drivers/md/dm-crypt.ko
linux-modules-5.15.0-1013-azure: /lib/modules/5.15.0-1013-azure/kernel/drivers/md/dm-crypt.ko
linux-modules-5.15.0-1013-gcp: /lib/modules/5.15.0-1013-gcp/kernel/drivers/md/dm-crypt.ko
linux-modules-5.15.0-1013-oracle: /lib/modules/5.15.0-1013-oracle/kernel/drivers/md/dm-crypt.ko

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-modules-5.15.0-1010-kvm 5.15.0-1010.11
ProcVersionSignature: Ubuntu 5.15.0-1010.11-kvm 5.15.35
Uname: Linux 5.15.0-1010-kvm x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Mon Jul 25 16:01:09 2022
ProcEnviron:
 TERM=screen.xterm-256color
 PATH=(custom, no user)
 LANG=C.UTF-8
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.