Fix: sessiond: ust-app: uninitialized name logged on stream copy failure

1466302 Uninitialized scalar variable
The variable will contain an arbitrary value left from earlier computations.

In send_channel_uid_to_ust(buffer_reg_channel *, ust_app *, ust_app_session *, ust_app_channel *): Use of an uninitialized variable (CWE-457)

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: Icd38de3b67dab783fa26a721c68c48ebfbb59785

diff --git a/src/bin/lttng-sessiond/ust-app.c b/src/bin/lttng-sessiond/ust-app.c
index 5db8366ad6edf01d270f06182291daf686791e18..e5d6857a3ed4f5229e6db5199aa7ed90677a8973 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.c
+++ b/src/bin/lttng-sessiond/ust-app.c
@@ -3317,7 +3317,7 @@ static int send_channel_uid_to_ust(struct buffer_reg_channel *buf_reg_chan,
        /* Send all streams to application. */
        pthread_mutex_lock(&buf_reg_chan->stream_list_lock);
        cds_list_for_each_entry(reg_stream, &buf_reg_chan->streams, lnode) {
-               struct ust_app_stream stream;
+               struct ust_app_stream stream = {};
 
                ret = duplicate_stream_object(reg_stream, &stream);
                if (ret < 0) {
@@ -3334,8 +3334,8 @@ static int send_channel_uid_to_ust(struct buffer_reg_channel *buf_reg_chan,
                                 * Treat this the same way as an application
                                 * that is exiting.
                                 */
-                               WARN("Communication with application %d timed out on send_stream for stream \"%s\" of channel \"%s\" of session \"%" PRIu64 "\".",
-                                               app->pid, stream.name,
+                               WARN("Communication with application %d timed out on send_stream for stream of channel \"%s\" of session \"%" PRIu64 "\".",
+                                               app->pid,
                                                ua_chan->name,
                                                ua_sess->tracing_id);
                                ret = -ENOTCONN;