Index: head/sys/netinet/in_pcb.h
===================================================================
--- head/sys/netinet/in_pcb.h
+++ head/sys/netinet/in_pcb.h
@@ -642,6 +642,8 @@
 #define	INP_INFO_LOCK_ASSERT(ipi)	MPASS(in_epoch(net_epoch_preempt) || mtx_owned(&(ipi)->ipi_lock))
 #define INP_INFO_RLOCK_ASSERT(ipi)	MPASS(in_epoch(net_epoch_preempt))
 #define INP_INFO_WLOCK_ASSERT(ipi)	mtx_assert(&(ipi)->ipi_lock, MA_OWNED)
+#define INP_INFO_WUNLOCK_ASSERT(ipi)	\
+	mtx_assert(&(ipi)->ipi_lock, MA_NOTOWNED)
 #define INP_INFO_UNLOCK_ASSERT(ipi)	MPASS(!in_epoch(net_epoch_preempt) && !mtx_owned(&(ipi)->ipi_lock))
 
 #define INP_LIST_LOCK_INIT(ipi, d) \
Index: head/sys/netinet/siftr.c
===================================================================
--- head/sys/netinet/siftr.c
+++ head/sys/netinet/siftr.c
@@ -710,7 +710,7 @@
 	struct inpcb *inp;
 
 	/* We need the tcbinfo lock. */
-	INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+	INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 
 	if (dir == PFIL_IN)
 		inp = (ipver == INP_IPV4 ?
Index: head/sys/netinet/tcp_hpts.c
===================================================================
--- head/sys/netinet/tcp_hpts.c
+++ head/sys/netinet/tcp_hpts.c
@@ -1282,7 +1282,7 @@
 				 * lock again but we also need some kasserts
 				 * here.
 				 */
-				INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+				INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 				INP_UNLOCK_ASSERT(inp);
 				m = n;
 				if (m)
@@ -1324,7 +1324,7 @@
 			INP_WUNLOCK(inp);
 		if (ti_locked == TI_RLOCKED)
 			INP_INFO_RUNLOCK_ET(&V_tcbinfo, et);
-		INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+		INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 		INP_UNLOCK_ASSERT(inp);
 		ti_locked = TI_UNLOCKED;
 		mtx_lock(&hpts->p_mtx);
Index: head/sys/netinet/tcp_input.c
===================================================================
--- head/sys/netinet/tcp_input.c
+++ head/sys/netinet/tcp_input.c
@@ -800,7 +800,7 @@
 	if (ti_locked == TI_RLOCKED) {
 		INP_INFO_RLOCK_ASSERT(&V_tcbinfo);
 	} else {
-		INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+		INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 	}
 #endif
 #ifdef INET6
@@ -1358,7 +1358,7 @@
 			INP_INFO_RUNLOCK_ET(&V_tcbinfo, et);
 			ti_locked = TI_UNLOCKED;
 		}
-		INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+		INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 		return (IPPROTO_DONE);
 	} else if (tp->t_state == TCPS_LISTEN) {
 		/*
@@ -1405,7 +1405,7 @@
 	else {
 		KASSERT(ti_locked == TI_UNLOCKED, ("%s: dropwithreset "
 		    "ti_locked: %d", __func__, ti_locked));
-		INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+		INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 	}
 #endif
 
@@ -1429,7 +1429,7 @@
 	else {
 		KASSERT(ti_locked == TI_UNLOCKED, ("%s: dropunlock "
 		    "ti_locked: %d", __func__, ti_locked));
-		INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+		INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 	}
 #endif
 
@@ -1437,7 +1437,7 @@
 		INP_WUNLOCK(inp);
 
 drop:
-	INP_INFO_UNLOCK_ASSERT(&V_tcbinfo);
+	INP_INFO_WUNLOCK_ASSERT(&V_tcbinfo);
 	if (s != NULL)
 		free(s, M_TCPLOG);
 	if (m != NULL)