From: Reshma Pattan <reshma.pattan@intel.com>
Date: Fri, 24 Jun 2016 16:36:21 +0000 (+0100)
Subject: pdump: fix string overflow
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=3bb262e2631d930812fda59f25c4eb0402f3b698;p=dpdk.git

pdump: fix string overflow

replaced strncpy with snprintf for safely
copying the strings.

Coverity issue: 127350

Fixes: 278f945402c5 ("pdump: add new library for packet capture")

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
---

diff --git a/lib/librte_pdump/rte_pdump.c b/lib/librte_pdump/rte_pdump.c
index e3b03a657e..ee566cb2f4 100644
--- a/lib/librte_pdump/rte_pdump.c
+++ b/lib/librte_pdump/rte_pdump.c
@@ -810,13 +810,15 @@ pdump_prepare_client_request(char *device, uint16_t queue,
 	req.flags = flags;
 	req.op =  operation;
 	if ((operation & ENABLE) != 0) {
-		strncpy(req.data.en_v1.device, device, strlen(device));
+		snprintf(req.data.en_v1.device, sizeof(req.data.en_v1.device),
+				"%s", device);
 		req.data.en_v1.queue = queue;
 		req.data.en_v1.ring = ring;
 		req.data.en_v1.mp = mp;
 		req.data.en_v1.filter = filter;
 	} else {
-		strncpy(req.data.dis_v1.device, device, strlen(device));
+		snprintf(req.data.dis_v1.device, sizeof(req.data.dis_v1.device),
+				"%s", device);
 		req.data.dis_v1.queue = queue;
 		req.data.dis_v1.ring = NULL;
 		req.data.dis_v1.mp = NULL;