diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 133f1719bf1b..d1add537beaa 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -331,9 +331,12 @@ bool sctp_transport_pl_recv(struct sctp_transport *t)
 		t->pl.probe_size += SCTP_PL_BIG_STEP;
 	} else if (t->pl.state == SCTP_PL_SEARCH) {
 		if (!t->pl.probe_high) {
-			t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_BIG_STEP,
-					       SCTP_MAX_PLPMTU);
-			return false;
+			if (t->pl.probe_size < SCTP_MAX_PLPMTU) {
+				t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_BIG_STEP,
+						       SCTP_MAX_PLPMTU);
+				return false;
+			}
+			t->pl.probe_high = SCTP_MAX_PLPMTU;
 		}
 		t->pl.probe_size += SCTP_PL_MIN_STEP;
 		if (t->pl.probe_size >= t->pl.probe_high) {
@@ -348,7 +351,7 @@ bool sctp_transport_pl_recv(struct sctp_transport *t)
 	} else if (t->pl.state == SCTP_PL_COMPLETE && t->pl.raise_count == 30) {
 		/* Raise probe_size again after 30 * interval in Search Complete */
 		t->pl.state = SCTP_PL_SEARCH; /* Search Complete -> Search */
-		t->pl.probe_size += SCTP_PL_MIN_STEP;
+		t->pl.probe_size = min(t->pl.probe_size + SCTP_PL_MIN_STEP, SCTP_MAX_PLPMTU);
 	}
 
 	return t->pl.state == SCTP_PL_COMPLETE;