gnome-tweak-tool crashed with SIGSEGV in gdk_window_has_impl()

[Anders Kaseorg]

gnome-tweak-tool crashed with SIGSEGV in gdk_x11_window_get_xid()

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: gnome-tweak-tool 3.16.2-2
ProcVersionSignature: Ubuntu 4.0.0-4.7-generic 4.0.7
Uname: Linux 4.0.0-4-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.18-0ubuntu2
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Jul 17 15:08:20 2015
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-tweak-tool
InstallationDate: Installed on 2015-06-02 (45 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gnome-tweak-tool
SegvAnalysis:
 Segfault happened at: 0x7f008fc36622: cmp 0xd0(%rdi),%rdi
 PC (0x7f008fc36622) ok
 source "0xd0(%rdi)" (0x000000d0) not located in a known VMA region (needed readable region)!
 destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-tweak-tool
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 gdk_x11_window_get_xid () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules/im-xim.so
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: gnome-tweak-tool crashed with SIGSEGV in gdk_x11_window_get_xid()
UpgradeStatus: Upgraded to wily on 2015-06-17 (29 days ago)
UserGroups: adm bumblebee cdrom dip libvirtd lpadmin plugdev sambashare sudo wireshark

[Apport retracing service (apport)]

StacktraceTop:
 gdk_window_has_impl (window=window@entry=0x0) at /build/buildd/gtk+3.0-3.16.4/./gdk/gdkwindow.c:592
 _gdk_window_has_impl (window=window@entry=0x0) at /build/buildd/gtk+3.0-3.16.4/./gdk/gdkwindow.c:593
 gdk_x11_window_get_xid (window=0x0) at /build/buildd/gtk+3.0-3.16.4/./gdk/x11/gdkwindow-x11.c:5527
 gtk_im_context_xim_filter_keypress (context=0x11b2740, event=0x20334b0) at /build/buildd/gtk+3.0-3.16.4/./modules/input/gtkimcontextxim.c:673
 gtk_im_multicontext_filter_keypress (context=0x11d44e0, event=0x20334b0) at /build/buildd/gtk+3.0-3.16.4/./gtk/gtkimmulticontext.c:359

[Launchpad Janitor (janitor)]

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