[dpdk-dev] [PATCH v4 3/5] pdump: fix string overflow
Reshma Pattan
reshma.pattan at intel.com
Fri Jun 24 15:54:31 CEST 2016
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 at 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 8240387..53a5bf2 100644
--- a/lib/librte_pdump/rte_pdump.c
+++ b/lib/librte_pdump/rte_pdump.c
@@ -804,13 +804,15 @@ 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
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