Fix: liblttng-ctl: unreported truncations when copying strings

[lttng-tools.git] / src / lib / lttng-ctl / channel.c

diff --git a/src/lib/lttng-ctl/channel.c b/src/lib/lttng-ctl/channel.c
index f2a65885d74416c08885ffe7ebcf5793f683fb09..882fb7be4d28900f4c7d8ea5b50c7e83db7cccef 100644 (file)
--- a/src/lib/lttng-ctl/channel.c
+++ b/src/lib/lttng-ctl/channel.c
@@ -151,9 +151,14 @@ struct lttng_notification_channel *lttng_notification_channel_create(
        }
 
        if (is_root || is_in_tracing_group) {
-               lttng_ctl_copy_string(sock_path,
+               ret = lttng_strncpy(sock_path,
                                DEFAULT_GLOBAL_NOTIFICATION_CHANNEL_UNIX_SOCK,
                                LTTNG_PATH_MAX);
+               if (ret) {
+                       ret = -LTTNG_ERR_INVALID;
+                       goto error;
+               }
+
                ret = lttcomm_connect_unix_sock(sock_path);
                if (ret >= 0) {
                        fd = ret;