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From: Reshma Pattan <reshma.pattan@intel.com>
To: dev@dpdk.org
Cc: Reshma Pattan <reshma.pattan@intel.com>
Subject: [dpdk-dev] [PATCH v2 2/3] pdump: fix string overflow
Date: Wed, 22 Jun 2016 15:07:54 +0100	[thread overview]
Message-ID: <1466604475-11864-3-git-send-email-reshma.pattan@intel.com> (raw)
In-Reply-To: <1466604475-11864-1-git-send-email-reshma.pattan@intel.com>

replaced strncpy with snprintf for safely
copying the strings.

Cverity issue 127350: string overflow

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

Signed-off-by: Reshma Pattan <reshma.pattan@intel.com>
---
 lib/librte_pdump/rte_pdump.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/librte_pdump/rte_pdump.c b/lib/librte_pdump/rte_pdump.c
index de20b9e..b499d09 100644
--- a/lib/librte_pdump/rte_pdump.c
+++ b/lib/librte_pdump/rte_pdump.c
@@ -799,13 +799,15 @@ 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;
-- 
2.5.0

  parent reply	other threads:[~2016-06-22 14:10 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-21 15:18 [dpdk-dev] [PATCH 0/3] fix coverity issues in packet capture framework Reshma Pattan
2016-06-21 15:18 ` [dpdk-dev] [PATCH 1/3] pdump: check getenv return value Reshma Pattan
2016-06-21 16:55   ` Ferruh Yigit
2016-06-22  8:01     ` Pattan, Reshma
2016-06-21 15:18 ` [dpdk-dev] [PATCH 2/3] pdump: fix string overflow Reshma Pattan
2016-06-21 17:14   ` Ferruh Yigit
2016-06-21 15:18 ` [dpdk-dev] [PATCH 3/3] app/pdump: " Reshma Pattan
2016-06-21 17:21   ` Ferruh Yigit
2016-06-22  6:46     ` Anupam Kapoor
2016-06-22  9:21       ` Bruce Richardson
2016-06-22  9:24         ` Pattan, Reshma
2016-06-22 14:07 ` [dpdk-dev] [PATCH v2 0/3] fix coverity issues in packet capture framework Reshma Pattan
2016-06-22 14:07   ` [dpdk-dev] [PATCH v2 1/3] pdump: check getenv return value Reshma Pattan
2016-06-22 14:07   ` Reshma Pattan [this message]
2016-06-22 14:07   ` [dpdk-dev] [PATCH v2 3/3] app/pdump: fix string overflow Reshma Pattan
2016-06-23 14:36   ` [dpdk-dev] [PATCH v3 0/4] fix issues in packet capture framework Reshma Pattan
2016-06-23 14:36     ` [dpdk-dev] [PATCH v3 1/4] pdump: fix default socket path Reshma Pattan
2016-06-23 14:36     ` [dpdk-dev] [PATCH v3 2/4] pdump: check getenv return value Reshma Pattan
2016-06-23 14:36     ` [dpdk-dev] [PATCH v3 3/4] pdump: fix string overflow Reshma Pattan
2016-06-23 14:36     ` [dpdk-dev] [PATCH v3 4/4] app/pdump: " Reshma Pattan
2016-06-24 13:54     ` [dpdk-dev] [PATCH v4 0/5] fix issues in packet capture framework Reshma Pattan
2016-06-24 13:54       ` [dpdk-dev] [PATCH v4 1/5] pdump: fix default socket path Reshma Pattan
2016-06-24 14:54         ` Thomas Monjalon
2016-06-24 15:05           ` Pattan, Reshma
2016-06-24 16:39           ` Pattan, Reshma
2016-06-24 13:54       ` [dpdk-dev] [PATCH v4 2/5] pdump: check getenv return value Reshma Pattan
2016-06-24 13:54       ` [dpdk-dev] [PATCH v4 3/5] pdump: fix string overflow Reshma Pattan
2016-06-24 13:54       ` [dpdk-dev] [PATCH v4 4/5] app/pdump: " Reshma Pattan
2016-06-24 13:54       ` [dpdk-dev] [PATCH v4 5/5] app/pdump: fix type casting of ring size Reshma Pattan
2016-06-24 16:36       ` [dpdk-dev] [PATCH v5 0/5] fix issues in packet capture framework Reshma Pattan
2016-06-24 16:36         ` [dpdk-dev] [PATCH v5 1/5] pdump: fix default socket path Reshma Pattan
2016-06-24 22:50           ` Mcnamara, John
2016-06-24 16:36         ` [dpdk-dev] [PATCH v5 2/5] pdump: check getenv return value Reshma Pattan
2016-06-24 22:50           ` Mcnamara, John
2016-06-24 16:36         ` [dpdk-dev] [PATCH v5 3/5] pdump: fix string overflow Reshma Pattan
2016-06-24 22:51           ` Mcnamara, John
2016-06-24 16:36         ` [dpdk-dev] [PATCH v5 4/5] app/pdump: " Reshma Pattan
2016-06-24 22:51           ` Mcnamara, John
2016-06-24 16:36         ` [dpdk-dev] [PATCH v5 5/5] app/pdump: fix type casting of ring size Reshma Pattan
2016-06-24 22:51           ` Mcnamara, John
2016-06-27 14:50         ` [dpdk-dev] [PATCH v5 0/5] fix issues in packet capture framework Thomas Monjalon

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