From: Fan Zhang <roy.fan.zhang@intel.com>
Date: Fri, 7 May 2021 11:50:18 +0000 (+0100)
Subject: dpdk: fix cryptodev session handler
X-Git-Tag: v21.10-rc0~103
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F51%2F32251%2F2;p=vpp.git

dpdk: fix cryptodev session handler

Type: fix

This patch fixes the possible segmentation fault in DPDK
cryptodev when deleting session.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Change-Id: Ie81de09f7250eb5c1ed6ee471363137d8372fe27
---

diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index a310538f064..246951d396c 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -287,6 +287,10 @@ cryptodev_sess_handler (vlib_main_t *vm, vnet_crypto_key_op_t kop,
 
       vec_foreach_index (i, cmt->per_numa_data)
 	{
+	  if (!ckey->keys)
+	    continue;
+	  if (!ckey->keys[i])
+	    continue;
 	  if (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT])
 	    {
 	      cryptodev_session_del (ckey->keys[i][CRYPTODEV_OP_TYPE_ENCRYPT]);