Index: sys/kern/uipc_usrreq.c
===================================================================
--- sys/kern/uipc_usrreq.c
+++ sys/kern/uipc_usrreq.c
@@ -1383,6 +1383,7 @@
        }
        if (so->so_proto->pr_flags & PR_CONNREQUIRED) {
                if (so2->so_options & SO_ACCEPTCONN) {
+                       UNP_LINK_WUNLOCK();
                        CURVNET_SET(so2->so_vnet);
                        so3 = sonewconn(so2, 0);
                        CURVNET_RESTORE();