diff --git a/migration/savevm.c b/migration/savevm.c
index 4f3b69ecfc..d1e6aaed60 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -315,6 +315,16 @@ static int configuration_pre_save(void *opaque)
     return 0;
 }
 
+static int configuration_post_save(void *opaque)
+{
+    SaveState *state = opaque;
+
+    g_free(state->capabilities);
+    state->capabilities = NULL;
+    state->caps_count = 0;
+    return 0;
+}
+
 static int configuration_pre_load(void *opaque)
 {
     SaveState *state = opaque;
@@ -365,24 +375,36 @@ static int configuration_post_load(void *opaque, int version_id)
 {
     SaveState *state = opaque;
     const char *current_name = MACHINE_GET_CLASS(current_machine)->name;
+    int ret = 0;
 
     if (strncmp(state->name, current_name, state->len) != 0) {
         error_report("Machine type received is '%.*s' and local is '%s'",
                      (int) state->len, state->name, current_name);
-        return -EINVAL;
+        ret = -EINVAL;
+        goto out;
     }
 
     if (state->target_page_bits != qemu_target_page_bits()) {
         error_report("Received TARGET_PAGE_BITS is %d but local is %d",
                      state->target_page_bits, qemu_target_page_bits());
-        return -EINVAL;
+        ret = -EINVAL;
+        goto out;
     }
 
     if (!configuration_validate_capabilities(state)) {
-        return -EINVAL;
+        ret = -EINVAL;
+        goto out;
     }
 
-    return 0;
+out:
+    g_free((void *)state->name);
+    state->name = NULL;
+    state->len = 0;
+    g_free(state->capabilities);
+    state->capabilities = NULL;
+    state->caps_count = 0;
+
+    return ret;
 }
 
 static int get_capability(QEMUFile *f, void *pv, size_t size,
@@ -516,6 +538,7 @@ static const VMStateDescription vmstate_configuration = {
     .pre_load = configuration_pre_load,
     .post_load = configuration_post_load,
     .pre_save = configuration_pre_save,
+    .post_save = configuration_post_save,
     .fields = (VMStateField[]) {
         VMSTATE_UINT32(len, SaveState),
         VMSTATE_VBUFFER_ALLOC_UINT32(name, SaveState, 0, NULL, len),