Fix: illegal memory access in test_create_ust_event_exclusion

Found by Coverity:
CID 1243019 (#1 of 1): Buffer not null terminated
(BUFFER_SIZE_WARNING)1. buffer_size_warning: Calling strncpy with a
maximum size argument of 256 bytes on destination array ev.name of size
256 bytes might leave the destination string unterminated.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/tests/unit/test_ust_data.c b/tests/unit/test_ust_data.c
index 58f76435e196c5269b0d2abbe5d1be2d30f8f2ba..d81169572d0f6cd85a6f36836635382cf7f6fe8e 100644 (file)
--- a/tests/unit/test_ust_data.c
+++ b/tests/unit/test_ust_data.c
@@ -38,7 +38,7 @@
 #define RANDOM_STRING_LEN      11
 
 /* Number of TAP tests in this file */
-#define NUM_TESTS 14
+#define NUM_TESTS 15
 
 /* For error.h */
 int lttng_opt_quiet = 1;
@@ -156,7 +156,8 @@ static void test_create_ust_event_exclusion(void)
        /* make a wildcarded event name */
        name = get_random_string();
        name[strlen(name) - 1] = '*';
-       strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN);
+       ok(lttng_strncpy(ev.name, name, LTTNG_SYMBOL_NAME_LEN) == 0,
+               "Validate string length");
 
        ev.type = LTTNG_EVENT_TRACEPOINT;
        ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;