[Bug 1552577] Re: apport-gtk crashed with SIGSEGV in _gtk_style_provider_private_get_settings(provider=0x0) [gtkstyleproviderprivate.c:123]

[Tom Reynolds]

I do not know how priorities in bug handling are set, but I do wonder
what may be the reason to not handle this rather common (30 dupes)
critical (crash) bug on a 'main' package for the past three years -
could someone explain this to me? Thanks in advance.

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Title:
  apport-gtk crashed with SIGSEGV in
  _gtk_style_provider_private_get_settings(provider=0x0)
  [gtkstyleproviderprivate.c:123]

Status in Apport:
  New
Status in GTK+:
  Expired
Status in apport package in Ubuntu:
  Confirmed
Status in gtk+3.0 package in Ubuntu:
  Confirmed

Bug description:
  https://errors.ubuntu.com/problem/92c580cf48dae63a366ee45b28a16be710f70347

  ---

  Crash displayed after logging in.

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: apport-gtk 2.20-0ubuntu3
  ProcVersionSignature: Ubuntu 4.4.0-9.24-generic 4.4.3
  Uname: Linux 4.4.0-8-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Mar  1 22:13:24 2016
  ExecutablePath: /usr/share/apport/apport-gtk
  InstallationDate: Installed on 2016-02-21 (10 days ago)
  InstallationMedia: Xubuntu Core 16.04 - amd64 - 20160208
  InterpreterPath: /usr/bin/python3.5
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apport-gtk
  SegvAnalysis:
   Segfault happened at: 0x7f3a0219cb89:	mov    (%rbx),%rdi
   PC (0x7f3a0219cb89) ok
   source "(%rbx)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%rdi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: apport
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
   ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
  Title: apport-gtk crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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