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[Bug 2117106] [NEW] calamares 3.3.14 in kubuntu 25.10 crashes with segmentation fault on choosing to encrypt partition

 

Public bug reported:

When choosing to encrypt a partition during install, calamares will
crash with sig11 upon selecting the partition and entering two matching
passwords.

To reproduce:

- Go through the installation procedure until you get to "Partitions". (This is on a machine that already contains a Windows 11 installation from the factory.)
- Choose Replace Partition
- Enable "Encrypt filesystem"
- Choose the partition to replace with Kubuntu
- Enter your chosen passphrase in the "Passphrase" text field
- Enter the same passphrase in the "Confirm passphrase" text field

At this point, the installer will crash, and if running on Plasma, a
Dr.Konqi window will pop up. If running running the installer directly,
i.e. if the user chose "Install" instead of "Try" on the boot up menu,
the installer will seem to disappear and be replaced by a Plasma desktop
starting up.

There was no backtrace to be had from the LiveCD version, but I have
attached the console output of calamares below.

** Affects: calamares (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "calamares console output"
   https://bugs.launchpad.net/bugs/2117106/+attachment/5890097/+files/calamares_output

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https://bugs.launchpad.net/bugs/2117106

Title:
  calamares 3.3.14 in kubuntu 25.10 crashes with segmentation fault on
  choosing to encrypt partition

Status in calamares package in Ubuntu:
  New

Bug description:
  When choosing to encrypt a partition during install, calamares will
  crash with sig11 upon selecting the partition and entering two
  matching passwords.

  To reproduce:

  - Go through the installation procedure until you get to "Partitions". (This is on a machine that already contains a Windows 11 installation from the factory.)
  - Choose Replace Partition
  - Enable "Encrypt filesystem"
  - Choose the partition to replace with Kubuntu
  - Enter your chosen passphrase in the "Passphrase" text field
  - Enter the same passphrase in the "Confirm passphrase" text field

  At this point, the installer will crash, and if running on Plasma, a
  Dr.Konqi window will pop up. If running running the installer
  directly, i.e. if the user chose "Install" instead of "Try" on the
  boot up menu, the installer will seem to disappear and be replaced by
  a Plasma desktop starting up.

  There was no backtrace to be had from the LiveCD version, but I have
  attached the console output of calamares below.

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