coverity: #1425862

src/lxc/criu.c

@@ -1147,6 +1147,8 @@ static bool do_dump(struct lxc_container *c, char *mode, struct migrate_opts *op
 
 		close(criuout[0]);
 
+		lxc_zero_handler(&h);
+
 		h.name = c->name;
 		if (!cgroup_init(&h)) {
 			ERROR("failed to cgroup_init()");

src/lxc/start.c

@@ -509,6 +509,31 @@ out_sigfd:
 	return -1;
 }
 
+void lxc_zero_handler(struct lxc_handler *handler)
+{
+	int i;
+
+	memset(handler, 0, sizeof(struct lxc_handler));
+
+	handler->clone_flags = -1;
+
+	handler->pinfd = -1;
+
+	handler->sigfd = -1;
+
+	for (i = 0; i < LXC_NS_MAX; i++)
+		handler->nsfd[i] = -1;
+
+	handler->data_sock[0] = -1;
+	handler->data_sock[1] = -1;
+
+	handler->state_socket_pair[0] = -1;
+	handler->state_socket_pair[1] = -1;
+
+	handler->sync_sock[0] = -1;
+	handler->sync_sock[1] = -1;
+}
+
 void lxc_free_handler(struct lxc_handler *handler)
 {
 	if (handler->conf && handler->conf->maincmd_fd)

src/lxc/start.h

@@ -125,6 +125,7 @@ extern struct lxc_handler *lxc_init_handler(const char *name,
 					    struct lxc_conf *conf,
 					    const char *lxcpath,
 					    bool daemonize);
+extern void lxc_zero_handler(struct lxc_handler *handler);
 extern void lxc_free_handler(struct lxc_handler *handler);
 extern int lxc_init(const char *name, struct lxc_handler *handler);
 extern void lxc_fini(const char *name, struct lxc_handler *handler);