On 1/11/18 11:44, Igor Mammedov wrote:
object_new() returns a new backend with refcount == 1 and then later object_property_add_child() increases refcount to 2 So when ivshmem is desroyed, the backend it has created isn't
^ "destroyed"
destroyed along with it as children cleanup will bring backend's refcount only to 1, which leaks backend including resources it is using. Drop the original reference from object_new() once backend is attached to its parent. Signed-off-by: Igor Mammedov <imamm...@redhat.com> --- hw/misc/ivshmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c index f88910e..ecfd10a 100644 --- a/hw/misc/ivshmem.c +++ b/hw/misc/ivshmem.c @@ -1279,6 +1279,7 @@ static void desugar_shm(IVShmemState *s) object_property_set_bool(obj, true, "share", &error_abort); object_property_add_child(OBJECT(s), "internal-shm-backend", obj, &error_abort); + object_unref(obj); user_creatable_complete(obj, &error_abort); s->hostmem = MEMORY_BACKEND(obj); }