From abbd6e304ae5e678766f1c97012cb53c12757d96 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Wed, 26 Apr 2017 10:55:25 +0200
Subject: [PATCH] messages: Make sure we always free the answers pointer

Found by ozz-fuzz

BUG: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1272

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 src/messages.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/messages.c b/src/messages.c
index 3ed912fd..4e4141e0 100644
--- a/src/messages.c
+++ b/src/messages.c
@@ -969,7 +969,7 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_info_response){
 
       goto error;
     }
-  } else if (session->kbdint->nanswers > 0) {
+  } else if (session->kbdint->answers != NULL) {
       uint32_t n;
 
       for (n = 0; n < session->kbdint->nanswers; n++) {
@@ -998,7 +998,7 @@ SSH_PACKET_CALLBACK(ssh_packet_userauth_info_response){
   }
   session->kbdint->nanswers = nanswers;
 
-  session->kbdint->answers = calloc(1, nanswers * sizeof(char *));
+  session->kbdint->answers = calloc(nanswers, sizeof(char *));
   if (session->kbdint->answers == NULL) {
     session->kbdint->nanswers = 0;
     ssh_set_error_oom(session);