StacktraceTop:malloc_consolidate (av=0x27d160) at malloc.c:4891 _int_free (av=0x27d160, mem=0x8bf3450) at malloc.c:4782 *__GI___libc_free (mem=0x8bf3450) at malloc.c:3625 IA__g_free (mem=0x8bf3450) IA__g_type_free_instance (instance=0x8bf3450)
StacktraceTop: malloc_ consolidate (av=0x27d160) at malloc.c:4891 free_instance (instance= 0x8bf3450)
_int_free (av=0x27d160, mem=0x8bf3450) at malloc.c:4782
*__GI___libc_free (mem=0x8bf3450) at malloc.c:3625
IA__g_free (mem=0x8bf3450)
IA__g_type_