From: Benoît Ganne <bganne@cisco.com>
Date: Tue, 10 Dec 2019 11:44:46 +0000 (+0100)
Subject: classify: forbid invalid match config
X-Git-Tag: v20.05-rc0~165
X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=commitdiff_plain;h=71a70d73f34f7c057dd95dbca39fb8e602087a75

classify: forbid invalid match config

Forbid too long match to be configured.

Type: fix

Change-Id: Icfced0f86821d5febd6a3c81e1315bd9737498c0
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c
index 3d338d15d07..de11a107ef0 100755
--- a/src/vnet/classify/vnet_classify.c
+++ b/src/vnet/classify/vnet_classify.c
@@ -775,6 +775,9 @@ vnet_classify_add_del_table (vnet_classify_main_t * cm,
 	  if (nbuckets == 0)
 	    return VNET_API_ERROR_INVALID_VALUE;
 
+	  if (match < 1 || match > 5)
+	    return VNET_API_ERROR_INVALID_VALUE;
+
 	  t = vnet_classify_new_table (cm, mask, nbuckets, memory_size,
 				       skip, match);
 	  t->next_table_index = next_table_index;