variety crashed with SIGSEGV in magazine_chain_pop_head()

[knulp haller]

Variety crashed after update.
Ubuntu version:
Description: Ubuntu Artful Aardvark (development branch)
Release: 17.10

package name and version:
variety:
  Installed: 0.6.6-1

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: variety 0.6.6-1
Uname: Linux 4.13.3-041303-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 12 22:22:47 2017
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/variety
InstallationDate: Installed on 2017-09-23 (19 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170922)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/variety
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
SegvAnalysis:
 Segfault happened at: 0x7fd0e25f3f8d <g_slice_alloc+125>: mov (%rdx),%rcx
 PC (0x7fd0e25f3f8d) ok
 source "(%rdx)" (0x4000000001) not located in a known VMA region (needed readable region)!
 destination "%rcx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: variety
StacktraceTop:
 g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_builder_end () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new_va () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: variety crashed with SIGSEGV in g_slice_alloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 magazine_chain_pop_head (magazine_chunks=<optimized out>) at ../../../../glib/gslice.c:539
 thread_memory_magazine1_alloc (tmem=<optimized out>, ix=2) at ../../../../glib/gslice.c:842
 g_slice_alloc (mem_size=mem_size@entry=40) at ../../../../glib/gslice.c:1016
 g_variant_alloc (trusted=1, serialised=0, type=0x558e2c745680) at ../../../../glib/gvariant-core.c:476
 g_variant_new_from_children (type=type@entry=0x558e2c745680, children=0x558e2c747cc0, n_children=n_children@entry=2, trusted=trusted@entry=1) at ../../../../glib/gvariant-core.c:565

[Launchpad Janitor (janitor)]

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