diff -r 4a367a886c39 -r 182575b4b006 sys/dev/cxgbe/tom/t4_cpl_io.c
--- a/sys/dev/cxgbe/tom/t4_cpl_io.c	Sun Jun 02 09:20:22 2019 -0700
+++ b/sys/dev/cxgbe/tom/t4_cpl_io.c	Tue Jun 04 10:05:30 2019 -0700
@@ -2196,9 +2196,18 @@ t4_aiotx_task(void *context, int pending
 {
 	struct toepcb *toep = context;
 	struct inpcb *inp = toep->inp;
-	struct socket *so = inp->inp_socket;
+	struct socket *so;
 	struct kaiocb *job;
 
+	if (TAILQ_EMPTY(&toep->aiotx_jobq)) {
+		if (inp == NULL)
+			printf("tid %u aiotx panic avoided\n", toep->tid);
+		toep->aiotx_task_active = false;
+		free_toepcb(toep);
+		return;
+	}
+
+	so = inp->inp_socket;
 	CURVNET_SET(toep->vnet);
 	SOCKBUF_LOCK(&so->so_snd);
 	while (!TAILQ_EMPTY(&toep->aiotx_jobq) && sowriteable(so)) {