Comment 2 for bug 981764

StacktraceTop:
 _int_malloc (av=0x7f7a5c550720, bytes=513) at malloc.c:3598
 _int_realloc (av=0x7f7a5c550720, oldp=0x2688be0, oldsize=272, nb=<optimized out>) at malloc.c:4370
 __GI___libc_realloc (oldmem=0x2688bf0, bytes=512) at malloc.c:3060
 g_realloc (mem=<optimized out>, n_bytes=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmem.c:224
 array_resize (ostream=<optimized out>, size=512, allow_partial=1, error=0x0) at /build/buildd/glib2.0-2.32.0/./gio/gmemoryoutputstream.c:501