ipsec: fix VPP-1333 - crash in ipsec policy cli

Change-Id: I843d094b6bbd1cefba82d6026174be005e66d510
Signed-off-by: Klement Sekera <ksekera@cisco.com>

diff --git a/src/vnet/ipsec/ipsec_cli.c b/src/vnet/ipsec/ipsec_cli.c
index 84c57b2..6a97b7b 100644 (file)
--- a/src/vnet/ipsec/ipsec_cli.c
+++ b/src/vnet/ipsec/ipsec_cli.c
@@ -344,6 +344,12 @@ ipsec_policy_add_del_command_fn (vlib_main_t * vm,
       ipsec_main_t *im = &ipsec_main;
       ipsec_sa_t *sa = 0;
       p1 = hash_get (im->sa_index_by_sa_id, p.sa_id);
+      if (!p1)
+       {
+         error =
+           clib_error_return (0, "SA with index %u not found", p.sa_id);
+         goto done;
+       }
       sa = pool_elt_at_index (im->sad, p1[0]);
       if (sa && sa->protocol == IPSEC_PROTOCOL_AH && is_add && p.is_ipv6)
        {