Fixed scheduling error (jumping back to failed engine, could lead to segfault).

[BearSSL] / src / ssl / ssl_engine.c

diff --git a/src/ssl/ssl_engine.c b/src/ssl/ssl_engine.c
index 1f095f0..be78c5d 100644 (file)
--- a/src/ssl/ssl_engine.c
+++ b/src/ssl/ssl_engine.c
@@ -1091,6 +1091,9 @@ jump_handshake(br_ssl_engine_context *cc, int action)
                cc->hlen_out = hlen_out;
                cc->action = action;
                cc->hsrun(&cc->cpu);
                cc->hlen_out = hlen_out;
                cc->action = action;
                cc->hsrun(&cc->cpu);

+               if (br_ssl_engine_closed(cc)) {
+                       return;
+               }

                if (cc->hbuf_out != cc->saved_hbuf_out) {
                        sendpld_ack(cc, cc->hbuf_out - cc->saved_hbuf_out);
                }
                if (cc->hbuf_out != cc->saved_hbuf_out) {
                        sendpld_ack(cc, cc->hbuf_out - cc->saved_hbuf_out);
                }