#0  0x005938e9 in __GI___libc_free (mem=0x899900) at malloc.c:3692
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#1  0x0035b91b in g_markup_collect_attributes (element_name=0x9929910 "Q\002", attribute_names=0x899910, attribute_values=0x2000, error=0xbc8ff4, first_type=160615488, first_attr=0x9929910 "Q\002") at /build/buildd/glib2.0-2.29.16/./glib/gmarkup.c:2728
        mandatory = <optimized out>
        value = 0x69a400 ""
        type = 2445300
        attr = 0x804c098 "@\374\063"
        collected = 18190268833573560
        written = <optimized out>
        ap = 0x992c650 "\b\235\222\t\002"
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_markup_collect_attributes"
#2  0x00172cf3 in ?? () at /build/buildd/glib2.0-2.29.16/./gio/gsocketaddress.c:71 from /tmp/tmp_JpaRH/usr/lib/i386-linux-gnu/libgio-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)