[PATCH v2] app/graph: fix destination buffer too small

[Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>]

as sizeof(config.rx.mempool_name) is < sizeof(res->mempool) we should
copy at most sizeof(config.rx.mempool_name) and replace memcpy with
strlcpy as mempool name is a null terminated string

Coverity issue: 415430
Fixes: 3850cb06ab9c ("app/graph: add ethdev commands")
Cc: skori@marvell.com

Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm@gmail.com>
---
v2:
* replaced memcpy with strlcpy
---
 app/graph/ethdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/graph/ethdev.c b/app/graph/ethdev.c
index cfc1b18569..e7a02b40a9 100644
--- a/app/graph/ethdev.c
+++ b/app/graph/ethdev.c
@@ -16,6 +16,7 @@

 #include "ethdev_priv.h"
 #include "module_api.h"
+#include "rte_string_fns.h"

 static const char
 cmd_ethdev_mtu_help[] = "ethdev <ethdev_name> mtu <mtu_sz>";
@@ -671,7 +672,7 @@ cmd_ethdev_parsed(void *parsed_result, __rte_unused struct cmdline *cl, void *da
 	memset(&config, 0, sizeof(struct ethdev_config));
 	config.rx.n_queues = res->nb_rxq;
 	config.rx.queue_size = ETHDEV_RX_DESC_DEFAULT;
-	memcpy(config.rx.mempool_name, res->mempool, strlen(res->mempool));
+	strlcpy(config.rx.mempool_name, res->mempool, sizeof(config.rx.mempool_name));

 	config.tx.n_queues = res->nb_txq;
 	config.tx.queue_size = ETHDEV_TX_DESC_DEFAULT;
--
2.43.0