Comment 87 for bug 1104435

Also, there's reports that 'G_SLICE=always-malloc G_DEBUG=gc-friendly' causes the crashes to go away.

So, possibly this is related to g_slice allocation?

Another possibly related backtrace/crash:

 #0 magazine_chain_pop_head at gslice.c:532
 #1 thread_memory_magazine1_alloc at gslice.c:835
 #2 g_slice_alloc at gslice.c:994
 #3 g_tree_node_new at gtree.c:139
 #4 g_tree_insert_internal at gtree.c:443
 #5 g_tree_replace at gtree.c:421
 #6 xfsm_properties_set_string at xfsm-properties.c:505
 #7 xfsm_properties_set_from_smprop at xfsm-properties.c:656
 #8 xfsm_client_merge_properties at xfsm-client.c:346
 #9 sm_set_properties at sm-layer.c:374

https://bugzilla.redhat.com/show_bug.cgi?id=927379