[dpdk-dev] [PATCH] app/testbbdev: fix buffer null termination due to strncpy

Amr Mokhtar amr.mokhtar at intel.com
Wed Jan 31 13:40:40 CET 2018


use snprintf instead of strncpy to ensure null termination when
copying test_vector_filename from cmd arguments.

Coverity issue: 257001
Fixes: f714a18885a6 ("app/testbbdev: add test application for bbdev")

Signed-off-by: Amr Mokhtar <amr.mokhtar at intel.com>
---
 app/test-bbdev/main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/test-bbdev/main.c b/app/test-bbdev/main.c
index 3f542a8..41b54bb 100644
--- a/app/test-bbdev/main.c
+++ b/app/test-bbdev/main.c
@@ -226,8 +226,9 @@ parse_args(int argc, char **argv, struct test_params *tp)
 			TEST_ASSERT(strlen(optarg) > 0,
 					"Config file name is null");
 
-			strncpy(tp->test_vector_filename, optarg,
-					sizeof(tp->test_vector_filename));
+			snprintf(tp->test_vector_filename,
+					sizeof(tp->test_vector_filename),
+					"%s", optarg);
 			break;
 		case 'l':
 			TEST_ASSERT(strlen(optarg) > 0,
-- 
2.7.4



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