brisk-menu crashed with SIGSEGV in empty()

[Casey Latham]

When changing the panel to Mutiny and then to Redmond, I received the error.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: mate-applet-brisk-menu 0.5.0-6ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
Uname: Linux 4.15.0-12-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Mar 25 12:45:01 2018
ExecutablePath: /usr/lib/x86_64-linux-gnu/brisk-menu/brisk-menu
InstallationDate: Installed on 2018-03-24 (1 days ago)
InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180307.1)
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: 0x7fa8f8492990: add %al,(%rax)
 PC (0x7fa8f8492990) in non-executable VMA region: 0x7fa8f848d000-0x7fa8f8494000 rw-p /usr/lib/x86_64-linux-gnu/libgtk-3.so.0.2200.28
 source "%al" ok
 destination "(%rax)" (0x7fa8f8492990) ok
SegvReason: executing writable VMA /usr/lib/x86_64-linux-gnu/libgtk-3.so.0.2200.28
Signal: 11
SourcePackage: brisk-menu
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 g_cclosure_marshal_VOID__OBJECTv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: brisk-menu crashed with SIGSEGV in g_cclosure_marshal_VOID__OBJECTv()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 empty () from /tmp/apport_sandbox_sds6op36/usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 brisk_menu_window_filter_section (item=<optimized out>, self=0x55e719372280) at ../src/frontend/menu-search.c:74
 brisk_menu_window_filter_apps (self=0x55e719372280, child=0x55e719592b70) at ../src/frontend/menu-search.c:150
 gtk_flow_box_apply_filter (box=<optimized out>, child=0x55e719596e30) at ../../../../gtk/gtkflowbox.c:925
 g_cclosure_marshal_VOID__OBJECTv (closure=0x55e71908f150, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x55e7190b6d70) at ../../../../gobject/gmarshal.c:2102

[Launchpad Janitor (janitor)]

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