Backtrace:
#0  0x00007ffff55cf295 in raise () from /usr/lib/libc.so.6
#1  0x00007ffff55d06da in abort () from /usr/lib/libc.so.6
#2  0x00007ffff5bc9b25 in g_assertion_message () from /usr/lib/libglib-2.0.so.0
#3  0x00007ffff5bc9bba in g_assertion_message_expr () from /usr/lib/libglib-2.0.so.0
#4  0x00007ffff777ecb6 in _gtk_rbtree_node_find_offset (tree=<optimized out>, node=<optimized out>)
    at gtkrbtree.c:931
#5  0x00007ffff7848f41 in gtk_tree_view_update_rubber_band_selection (tree_view=0x8be410)
    at gtktreeview.c:4549
#6  gtk_tree_view_update_rubber_band (tree_view=0x8be410) at gtktreeview.c:4676
#7  0x00007ffff78496b8 in gtk_tree_view_drag_gesture_update (gesture=0x6f6410, 
    offset_x=<optimized out>, offset_y=<optimized out>, tree_view=0x8be410) at gtktreeview.c:4779
#8  0x00007ffff0a771f0 in ffi_call_unix64 () from /usr/lib/libffi.so.6
#9  0x00007ffff0a76c58 in ffi_call () from /usr/lib/libffi.so.6
#10 0x00007ffff5e7acf5 in g_cclosure_marshal_generic_va () from /usr/lib/libgobject-2.0.so.0
#11 0x00007ffff5e7a1d4 in ?? () from /usr/lib/libgobject-2.0.so.0
#12 0x00007ffff5e949d6 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#13 0x00007ffff5e950bf in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#14 0x00007ffff5e7cdbe in g_cclosure_marshal_VOID__BOXEDv () from /usr/lib/libgobject-2.0.so.0
#15 0x00007ffff5e7a1d4 in ?? () from /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff5e949d6 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#17 0x00007ffff5e950bf in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#18 0x00007ffff76d0ab5 in gtk_gesture_handle_event (controller=0x6f6410, event=0x862580)
