mate-panel crashed with SIGSEGV in gtk_image_definition_unref()

[David Kastrup]

Happened during

    sudo apt-get upgrade

I think that mate-panel has been crashing during every system update for at least several months. Apparently something in the update order/procedure is not to its liking.

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: mate-panel 1.17.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.9.0-15.16-lowlatency 4.9.5
Uname: Linux 4.9.0-15-lowlatency x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: i386
CrashCounter: 1
CurrentDesktop: MATE
Date: Sat Feb 18 14:15:01 2017
ExecutablePath: /usr/bin/mate-panel
InstallationDate: Installed on 2011-10-14 (1953 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
ProcCmdline: mate-panel
SegvAnalysis:
 Segfault happened at: 0xf704a324: mov 0x4(%esi),%eax
 PC (0xf704a324) ok
 source "0x4(%esi)" (0x00000004) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mate-panel
StacktraceTop:
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
 g_dataset_id_set_data_full () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_object_unref () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: mate-panel crashed with SIGSEGV in g_dataset_id_set_data_full()
UpgradeStatus: Upgraded to zesty on 2017-01-05 (43 days ago)
UserGroups: adm admin audio cdrom dialout fax floppy lpadmin plugdev pulse-access sambashare

[Apport retracing service (apport)]

StacktraceTop:
 gtk_image_definition_unref (def=0x0) at ././gtk/gtkimagedefinition.c:249
 gtk_drag_source_site_destroy (data=0x56d4ec78) at ././gtk/gtkdragsource.c:117
 ?? ()
 ?? ()