From 1a3436d7d3ddd3d17efffe5938702aaf514c215a Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Wed, 12 Jun 2019 10:17:26 +0200
Subject: [PATCH] knownhosts: Fix use after free

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/knownhosts.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/knownhosts.c b/src/knownhosts.c
index c2189b13..249c9953 100644
--- a/src/knownhosts.c
+++ b/src/knownhosts.c
@@ -775,12 +775,14 @@ int ssh_session_update_known_hosts(ssh_session session)
     } else {
         rc = 0;
     }
-    SAFE_FREE(dir);
+
     if (rc != 0) {
         ssh_set_error(session, SSH_FATAL,
                       "Cannot create %s directory.", dir);
+        SAFE_FREE(dir);
         return SSH_ERROR;
     }
+    SAFE_FREE(dir);
 
     fp = fopen(session->opts.knownhosts, "a");
     if (fp == NULL) {