Don't free read control entries still on the stream queue.
diff --git a/usrsctplib/netinet/sctputil.c b/usrsctplib/netinet/sctputil.c
index a51e188..27c3b20 100755
--- a/usrsctplib/netinet/sctputil.c
+++ b/usrsctplib/netinet/sctputil.c
@@ -34,7 +34,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctputil.c 347975 2019-05-19 17:28:00Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctputil.c 350011 2019-07-15 20:45:01Z tuexen $");
 #endif
 
 #include <netinet/sctp_os.h>
@@ -4948,12 +4948,14 @@
 	if (inp_read_lock_held == 0)
 		SCTP_INP_READ_LOCK(inp);
 	if (inp->sctp_flags & SCTP_PCB_FLAGS_SOCKET_CANT_READ) {
-		sctp_free_remote_addr(control->whoFrom);
-		if (control->data) {
-			sctp_m_freem(control->data);
-			control->data = NULL;
+		if (!control->on_strm_q) {
+			sctp_free_remote_addr(control->whoFrom);
+			if (control->data) {
+				sctp_m_freem(control->data);
+				control->data = NULL;
+			}
+			sctp_free_a_readq(stcb, control);
 		}
-		sctp_free_a_readq(stcb, control);
 		if (inp_read_lock_held == 0)
 			SCTP_INP_READ_UNLOCK(inp);
 		return;
@@ -4998,8 +5000,10 @@
 		control->tail_mbuf = prev;
 	} else {
 		/* Everything got collapsed out?? */
-		sctp_free_remote_addr(control->whoFrom);
-		sctp_free_a_readq(stcb, control);
+		if (!control->on_strm_q) {
+			sctp_free_remote_addr(control->whoFrom);
+			sctp_free_a_readq(stcb, control);
+		}
 		if (inp_read_lock_held == 0)
 			SCTP_INP_READ_UNLOCK(inp);
 		return;