Propagate record overflows to the record layer and alert.

ok beck@ tb@

1 files changed, 4 insertions, 2 deletions

diff --git a/src/lib/libssl/tls13_record_layer.c b/src/lib/libssl/tls13_record_layer.c
index 8ca52d0b7f..82a49ae425 100644
--- a/src/lib/libssl/tls13_record_layer.c
+++ b/src/lib/libssl/tls13_record_layer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls13_record_layer.c,v 1.40 2020/05/11 18:03:51 jsing Exp $ */
+/* $OpenBSD: tls13_record_layer.c,v 1.41 2020/05/11 18:08:11 jsing Exp $ */
 /*
  * Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
  *
@@ -768,11 +768,13 @@ tls13_record_layer_read_record(struct tls13_record_layer *rl)
                 if ((rl->rrec = tls13_record_new()) == NULL)
                         goto err;
         }
-
+ 
         if ((ret = tls13_record_recv(rl->rrec, rl->cb.wire_read, rl->cb_arg)) <= 0) {
                 switch (ret) {
                 case TLS13_IO_RECORD_VERSION:
                         return tls13_send_alert(rl, SSL_AD_PROTOCOL_VERSION);
+                case TLS13_IO_RECORD_OVERFLOW:
+                        return tls13_send_alert(rl, SSL_AD_RECORD_OVERFLOW);
                 }
                 return ret;
         }