[dpdk-dev] [PATCH] app/test: fix possible overflow with strcat

Chaitanya Babu Talluri tallurix.chaitanya.babu at intel.com
Thu Mar 14 14:14:40 CET 2019


strcat does not check the destination length and there might be
chances of string overflow so instead of strcat, strlcat is used.

Fixes: 6f4eec2565 ("test/crypto: enhance scheduler unit tests")
Cc: stable at dpdk.org

Signed-off-by: Chaitanya Babu Talluri <tallurix.chaitanya.babu at intel.com>
---
 app/test/test_cryptodev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c
index 32f1893bc..2ff204137 100644
--- a/app/test/test_cryptodev.c
+++ b/app/test/test_cryptodev.c
@@ -15,6 +15,7 @@
 #include <rte_crypto.h>
 #include <rte_cryptodev.h>
 #include <rte_cryptodev_pmd.h>
+#include <rte_string_fns.h>
 
 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
 #include <rte_cryptodev_scheduler.h>
@@ -375,7 +376,7 @@ testsuite_setup(void)
 			snprintf(vdev_args, sizeof(vdev_args),
 					"%s%d", temp_str, i);
 			strcpy(temp_str, vdev_args);
-			strcat(temp_str, ";");
+			strlcat(temp_str, ";", sizeof(temp_str));
 			slave_core_count++;
 			socket_id = lcore_config[i].socket_id;
 		}
-- 
2.17.2



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