From ee82bab80166bc7ad8a109471d577389fd4f7a26 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Tue, 30 Apr 2019 08:03:25 +0200
Subject: [PATCH] auth: Avoid memory on error in ssh_userauth_agent_publickey()

CID 1401095

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
---
 src/auth.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/auth.c b/src/auth.c
index 92279060..286a0d4e 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -757,6 +757,7 @@ static int ssh_userauth_agent_publickey(ssh_session session,
     if (sig_type_c == NULL) {
         ssh_set_error(session, SSH_REQUEST_DENIED,
                       "Invalid key type (unknown)");
+        SSH_STRING_FREE(pubkey_s);
         return SSH_AUTH_DENIED;
     }
     if (!ssh_key_algorithm_allowed(session, sig_type_c)) {