Fix: test_kernel_data dereference of null pointer

[lttng-tools.git] / tests / unit / test_kernel_data.c

diff --git a/tests/unit/test_kernel_data.c b/tests/unit/test_kernel_data.c
index fde46f76f35bd331cc7ad9f5a2d772f8cd96e7b3..6a35ea54a602489df1d35df9995a6f6cad5f8a14 100644 (file)
--- a/tests/unit/test_kernel_data.c
+++ b/tests/unit/test_kernel_data.c
@@ -72,6 +72,10 @@ static void test_create_one_kernel_session(void)
        kern = trace_kernel_create_session();
        ok(kern != NULL, "Create kernel session");
 
+       if (!kern) {
+               skip(1, "Kernel session is null");
+               return;
+       }
        ok(kern->fd == -1 &&
           kern->metadata_stream_fd == -1 &&
           kern->consumer_fds_sent == 0 &&
@@ -117,6 +121,11 @@ static void test_create_kernel_channel(void)
        chan = trace_kernel_create_channel(&attr);
        ok(chan != NULL, "Create kernel channel");
 
+       if (!chan) {
+               skip(1, "Channel is null");
+               return;
+       }
+
        ok(chan->fd == -1 &&
           chan->enabled == 1 &&
           chan->stream_count == 0 &&
@@ -134,7 +143,7 @@ static void test_create_kernel_event(void)
        struct lttng_event ev;
 
        memset(&ev, 0, sizeof(ev));
-       ok(lttng_strncpy(ev.name, get_random_string(),
+       ok(!lttng_strncpy(ev.name, get_random_string(),
                        LTTNG_KERNEL_SYM_NAME_LEN),
                "Validate string length");
        ev.type = LTTNG_EVENT_TRACEPOINT;
@@ -143,6 +152,11 @@ static void test_create_kernel_event(void)
        event = trace_kernel_create_event(&ev, NULL, NULL);
        ok(event != NULL, "Create kernel event");
 
+       if (!event) {
+               skip(1, "Event is null");
+               return;
+       }
+
        ok(event->fd == -1 &&
           event->enabled == 1 &&
           event->event->instrumentation == LTTNG_KERNEL_TRACEPOINT &&
@@ -161,6 +175,11 @@ static void test_create_kernel_stream(void)
        stream = trace_kernel_create_stream("stream1", 0);
        ok(stream != NULL, "Create kernel stream");
 
+       if (!stream) {
+               skip(1, "Stream is null");
+               return;
+       }
+
        ok(stream->fd == -1 &&
           stream->state == 0,
           "Validate kernel stream");