From: Benoît Ganne <bganne@cisco.com>
Date: Mon, 30 Sep 2019 08:13:27 +0000 (+0200)
Subject: dns: fix non-NULL terminated C-string
X-Git-Tag: v20.05-rc0~751
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=328c08d603bb0a9956b82553f1691fd8a5a5de7d;p=vpp.git

dns: fix non-NULL terminated C-string

Type: fix

Change-Id: Ib030e6ac3386528901e0805d1ffe2eec033d819f
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/plugins/dns/dns.c b/src/plugins/dns/dns.c
index 4a882ebddc1..a6dff672feb 100644
--- a/src/plugins/dns/dns.c
+++ b/src/plugins/dns/dns.c
@@ -797,6 +797,8 @@ dns_add_static_entry (dns_main_t * dm, u8 * name, u8 * dns_reply_data)
 
   /* Note: consumes the name vector */
   ep->name = name;
+  /* make sure it NULL-terminated as hash_set_mem will use strlen() */
+  vec_terminate_c_string (ep->name);
   hash_set_mem (dm->cache_entry_by_name, ep->name, ep - dm->entries);
   ep->flags = DNS_CACHE_ENTRY_FLAG_VALID | DNS_CACHE_ENTRY_FLAG_STATIC;
   ep->dns_response = dns_reply_data;