Fix: illegal memory access in cmd_snapshot_list_outputs
[lttng-tools.git] / src / bin / lttng-sessiond / cmd.c
index 1327e42e4ddfa8efdd5a550179000a8f77f34150..201cbd183f8796f0bf716546562f31fd6b80b9b9 100644 (file)
@@ -3356,10 +3356,18 @@ ssize_t cmd_snapshot_list_outputs(struct ltt_session *session,
                assert(output->consumer);
                list[idx].id = output->id;
                list[idx].max_size = output->max_size;
-               strncpy(list[idx].name, output->name, sizeof(list[idx].name));
+               if (lttng_strncpy(list[idx].name, output->name,
+                               sizeof(list[idx].name))) {
+                       ret = -LTTNG_ERR_INVALID;
+                       goto error;
+               }
                if (output->consumer->type == CONSUMER_DST_LOCAL) {
-                       strncpy(list[idx].ctrl_url, output->consumer->dst.trace_path,
-                                       sizeof(list[idx].ctrl_url));
+                       if (lttng_strncpy(list[idx].ctrl_url,
+                                       output->consumer->dst.trace_path,
+                                       sizeof(list[idx].ctrl_url))) {
+                               ret = -LTTNG_ERR_INVALID;
+                               goto error;
+                       }
                } else {
                        /* Control URI. */
                        ret = uri_to_str_url(&output->consumer->dst.net.control,
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