From: Benoît Ganne <bganne@cisco.com>
Date: Wed, 6 Nov 2019 13:21:07 +0000 (+0100)
Subject: crypto: do not crash if no crypto engine loaded
X-Git-Tag: v19.08.2~79
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F13%2F23513%2F2;p=vpp.git

crypto: do not crash if no crypto engine loaded

Do not overflow ops_handlers vector.

Type: fix

Change-Id: I8d5e7fb8125a7bd87ecfe6f4f1390fb9f43dad8f
Signed-off-by: Benoît Ganne <bganne@cisco.com>
(cherry picked from commit 6545df7913b53d71415c7c9643cb824c2ffbaaa7)
---

diff --git a/src/vnet/crypto/crypto.c b/src/vnet/crypto/crypto.c
index 4da8a14a14b..4a72b7cd116 100644
--- a/src/vnet/crypto/crypto.c
+++ b/src/vnet/crypto/crypto.c
@@ -134,7 +134,7 @@ vnet_crypto_is_set_handler (vnet_crypto_alg_t alg)
 {
   vnet_crypto_main_t *cm = &crypto_main;
 
-  return (NULL != cm->ops_handlers[alg]);
+  return (alg < vec_len (cm->ops_handlers) && NULL != cm->ops_handlers[alg]);
 }
 
 void