nm-applet crashed with SIGSEGV in style_info_set_data()

[Mattia Rizzolo]

I'm connected via a bluetooth modem, and I put the modem off the bluetooth range, so the connection died.
Apport come up with a window crash. When I go in the nm applet menu in order to reconnect, the name of the connection was replaced by "EmptyLabel", but a click on it, restabilished the connection fine.

A further trying to reproduce the bug didn't end well: the apport window didn't come up.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: network-manager-gnome 0.9.8.0-1ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-13.22-generic 3.8.3
Uname: Linux 3.8.0-13-generic x86_64
ApportVersion: 2.9.2-0ubuntu1
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Tue Mar 19 16:46:59 2013
ExecutablePath: /usr/bin/nm-applet
IpRoute:
 default via 10.6.6.6 dev ppp0 proto static
 10.6.6.6 dev ppp0 proto kernel scope link src 37.182.50.18
 169.254.0.0/16 dev em1 scope link metric 1000
 192.168.100.0/24 dev em1 proto kernel scope link src 192.168.100.100
MarkForUpload: True
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
ProcCmdline: nm-applet
SegvAnalysis:
 Segfault happened at: 0x7f3f226038e1: mov (%rdi),%rdi
 PC (0x7f3f226038e1) ok
 source "(%rdi)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: network-manager-applet
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_hash_table_remove_all () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 gtk_style_context_invalidate () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Title: nm-applet crashed with SIGSEGV in g_hash_table_remove_all()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sudo vboxusers
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 04:A8:2A:A8:00:9A bluetooth connected /org/freedesktop/NetworkManager/Devices/2
 wlan0 802-11-wireless disconnected /org/freedesktop/NetworkManager/Devices/1
 em1 802-3-ethernet unmanaged /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.8.0 connected enabled enabled enabled enabled disabled

[Apport retracing service (apport)]

StacktraceTop:
 style_info_set_data (data=data@entry=0x0, info=0x0) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkstylecontext.c:546
 style_info_free (info=0x0) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkstylecontext.c:561
 g_hash_table_remove_all_nodes (hash_table=0x1f3bb60, notify=<optimized out>) at /build/buildd/glib2.0-2.35.8/./glib/ghash.c:497
 g_hash_table_remove_all (hash_table=0x1f3bb60) at /build/buildd/glib2.0-2.35.8/./glib/ghash.c:1347
 gtk_style_context_clear_cache (context=context@entry=0x1f6f290) at /build/buildd/gtk+3.0-3.6.4/./gtk/gtkstylecontext.c:2954