20.10 brisk-menu crashed with SIGSEGV in g_slice_free_chain_with_offset()

[Bill (franksmcb)]

Ubuntu MATE 20.10 daily iso 20201007
Lenovo T430

Install from USB with daily iso. Reboot after installation.

Expected outcome:
Ubuntu MATE boots
login
no errors upon first login

Actual outcome:
Ubuntu MATE boots
login
Brisk Menu crashes immediately on login.

ProblemType: Crash
DistroRelease: Ubuntu 20.10
Package: mate-applet-brisk-menu 0.6.2-1
ProcVersionSignature: Ubuntu 5.8.0-21.22-generic 5.8.13
Uname: Linux 5.8.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu49
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Thu Oct 8 15:24:54 2020
ExecutablePath: /usr/lib/x86_64-linux-gnu/brisk-menu/brisk-menu
InstallationDate: Installed on 2020-10-08 (0 days ago)
InstallationMedia: Ubuntu-MATE 20.10 "Groovy Gorilla" - Beta amd64 (20201007)
ProcCmdline: /usr/lib/x86_64-linux-gnu/brisk-menu/brisk-menu
ProcEnviron:
 XDG_RUNTIME_DIR=<set>
 SHELL=/bin/bash
 LANGUAGE=en_US
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7efe867e66b2 <g_slice_free_chain_with_offset+194>: mov (%rbx,%r8,1),%rbx
 PC (0x7efe867e66b2) ok
 source "(%rbx,%r8,1)" (0x3ff0000000000008) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: brisk-menu
StacktraceTop:
 g_slice_free_chain_with_offset () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? ()
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: brisk-menu crashed with SIGSEGV in g_slice_free_chain_with_offset()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
XsessionErrors:
 mate-session[1693]: WARNING: Unable to find provider '' of required component 'dock'
 (process:2009): ayatana-indicator-sound-WARNING **: 15:24:52.949: volume-control-pulse.vala:745: Unable to connect to dbus server at 'unix:path=/run/user/1000/pulse/dbus-socket': Could not connect: No such file or directory
 (caja:1965): Gtk-WARNING **: 15:24:53.449: Failed to register client: GDBus.Error:org.gnome.SessionManager.AlreadyRegistered: Unable to register client
separator:

[Apport retracing service (apport)]

StacktraceTop:
 g_slice_free_chain_with_offset () from /tmp/apport_sandbox_30xvcogw/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6600.0
 brisk_apps_backend_reset_pending (self=0x55bcb25c4980) at ../src/backend/apps/apps-backend.c:101
 brisk_apps_backend_init_menus (self=0x55bcb25c4980) at ../src/backend/apps/apps-backend.c:261
 g_main_context_dispatch () from /tmp/apport_sandbox_30xvcogw/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6600.0
 g_main_context_iterate.constprop () from /tmp/apport_sandbox_30xvcogw/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6600.0

[Launchpad Janitor (janitor)]

[Expired for brisk-menu (Ubuntu) because there has been no activity for 60 days.]