brisk-menu crashed with SIGSEGV in brisk_menu_window_filter_section()

[Alex]

when I try to add a new application to the Dock

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: mate-applet-brisk-menu 0.4.5-1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic i686
ApportVersion: 2.20.7-0ubuntu3
Architecture: i386
CurrentDesktop: MATE
Date: Sun Oct 22 17:30:07 2017
Disassembly: => 0xffffffff: Cannot access memory at address 0xffffffff
ExecutablePath: /usr/lib/i386-linux-gnu/brisk-menu/brisk-menu
InstallationDate: Installed on 2017-10-22 (0 days ago)
InstallationMedia: Ubuntu-MATE 17.10 "Artful Aardvark" - Release i386 (20171018)
ProcCmdline: /usr/lib/i386-linux-gnu/brisk-menu/brisk-menu
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=it_IT
 LANG=it_IT.UTF-8
SegvAnalysis:
 Segfault happened at: 0xffffffff: Cannot access memory at address 0xffffffff
 PC (0xffffffff) not located in a known VMA region (needed executable region)!
SegvReason: executing unknown VMA
Signal: 11
SourcePackage: brisk-menu
StacktraceTop:
 ?? ()
 ?? ()
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 gtk_list_box_insert () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
Title: brisk-menu crashed with SIGSEGV in gtk_list_box_insert()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 brisk_menu_window_filter_section (item=<optimized out>, self=0xce0520) at src/frontend/menu-search.c:122
 brisk_menu_window_filter_apps (row=0xf5bfc0, v=0xce0520) at src/frontend/menu-search.c:168
 gtk_list_box_apply_filter (box=box@entry=0xd63298, row=row@entry=0xf5bfc0) at ././gtk/gtklistbox.c:2243
 gtk_list_box_insert (box=0xd63298, child=0xe58fa0, position=-1) at ././gtk/gtklistbox.c:2934