[abrt] variety: magazine_chain_pop_head(): python2.7 killed by SIGSEGV

[martinkg]

Version-Release number of selected component:
variety-0.6.6-1.fc27

Additional info:
reporter: libreport-2.9.3
backtrace_rating: 4
cmdline: /usr/bin/python2 /usr/bin/variety
crash_function: magazine_chain_pop_head
executable: /usr/bin/python2.7
journald_cursor: s=1b207c2373ba4e93a895fafcee8976ef;i=9b43;b=492cad1359754a4197731aafdcea75f4;m=35fc0bb0b;t=55f5207d53b43;x=222d02dd6e092767
kernel: 4.13.16-300.fc27.x86_64
rootdir: /
runlevel: N 5
type: CCpp
uid: 1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 magazine_chain_pop_head at gslice.c:539
 #1 thread_memory_magazine1_alloc at gslice.c:842
 #2 g_slice_alloc at gslice.c:1016
 #3 g_bytes_new_with_free_func at gbytes.c:184
 #4 g_variant_new_from_trusted at gvariant.c:320
 #5 g_variant_new_string at gvariant.c:1259
 #6 dbusmenu_menuitem_property_set at menuitem.c:1089
 #7 widget_notify_cb at parser.c:1264
 #13 g_object_notify_by_spec_internal at gobject.c:1173
 #14 g_object_notify_by_pspec at gobject.c:1283

the complete backtrace: https://martinkg.fedorapeople.org/ErrorReports/variety/variety-backtrace