From 9d13d866273dbc02881a78657b9076c8f1ebbdb5 Mon Sep 17 00:00:00 2001
From: Ryan Kelley <ryan.parker.kelley@gmail.com>
Date: Wed, 17 Apr 2019 20:18:11 -0400
Subject: [PATCH] Session.c : banner_receive() from leaking when accessing non
 ssh ports (#356)

File : session.c

Release previous banner in banner_receive() if the session is reused after a failed connection.

Credit : Ryan Kelley
---
 src/session.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/session.c b/src/session.c
index 2aa4d8b7..e439acde 100644
--- a/src/session.c
+++ b/src/session.c
@@ -170,6 +170,9 @@ banner_receive(LIBSSH2_SESSION * session)
     if(!banner_len)
         return LIBSSH2_ERROR_BANNER_RECV;
 
+    if(session->remote.banner)
+        LIBSSH2_FREE(session, session->remote.banner);
+
     session->remote.banner = LIBSSH2_ALLOC(session, banner_len + 1);
     if(!session->remote.banner) {
         return _libssh2_error(session, LIBSSH2_ERROR_ALLOC,