Inkscape freeze while trying to copy a group

Summary:

Inkscape Freeze when copying a particular object: UI is not responsive, CPU is 100% and the only way to quit is to kill (SIGKILL) process.

Steps to reproduce:

• open super_parasol.svg
• select the only group in the page
• copy it (edit -> copy or ctrl-c)

Steps to reproduce:

• create rectangle
• edit-clone-clone lpe
• select both and grupe
• copy

What happened?

Inkscape freezes

What should have happened?

Object should have been copied

Sample attachments:

super_parasol.svg

Version info

Tested on

• Inkscape 1.4 beta
• Inkscape-ac3e27e from https://gitlab.com/inkscape/inkscape/-/pipelines/1293065929 (today build)

Inkscape 1.5-dev (ac3e27e, 2024-05-16)

                      Compile  (Run)
    GLib version:     2.78.0
    GTK version:      4.15.1 (4.15.1)
    glibmm version:   2.78.1
    gtkmm version:    4.14.0
    libxml2 version:  2.9.14
    libxslt version:  1.1.35
    Cairo version:    1.18.0 (1.18.0)
    Pango version:    1.53.0 (1.53.0)
    HarfBuzz version: 8.0.1 (8.0.1)

    OS version:       Ubuntu 23.10