This is unexpected behaviour.
pb_write_one
  open_image_lazy
    do_open_image
      xfree(img)

255             if (pb_write_one(img, &cpu_info, PB_CPUINFO) < 0) {
>>> >>>     CID 92728:  Memory - illegal accesses  (USE_AFTER_FREE)
>>> >>>     Calling "close_image" dereferences freed pointer "img".
256                     close_image(img);
257                     return -1;
258             }
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>