Fix: relayd: disallow 0-length session names for 2.4+ peers

[lttng-tools.git] / src / bin / lttng-relayd / cmd-2-4.c

diff --git a/src/bin/lttng-relayd/cmd-2-4.c b/src/bin/lttng-relayd/cmd-2-4.c
index e20a838da932051572ebd2db984bf3b9eddaa408..008be4cf0db901b038e98f3398dc097861847ea4 100644 (file)
--- a/src/bin/lttng-relayd/cmd-2-4.c
+++ b/src/bin/lttng-relayd/cmd-2-4.c
@@ -52,6 +52,10 @@ int cmd_create_session_2_4(const struct lttng_buffer_view *payload,
                ret = -ENAMETOOLONG;
                ERR("Session name too long");
                goto error;
+       } else if (len == 0) {
+               ret = -EINVAL;
+               ERR("Session name can't be of length 0");
+               goto error;
        }
        strncpy(session_name, session_info.session_name, LTTNG_NAME_MAX);