2 files changed, 4 insertions, 1 deletions
diff --git a/lib/librte_metrics/rte_metrics.c b/lib/librte_metrics/rte_metrics.c
index e9a122c1..dbbad328 100644
--- a/lib/librte_metrics/rte_metrics.c
+++ b/lib/librte_metrics/rte_metrics.c
@@ -144,6 +144,8 @@ rte_metrics_reg_names(const char * const *names, uint16_t cnt_names)
 		entry = &stats->metadata[idx_name + stats->cnt_stats];
 		strncpy(entry->name, names[idx_name],
 			RTE_METRICS_MAX_NAME_LEN);
+		/* Enforce NULL-termination */
+		entry->name[RTE_METRICS_MAX_NAME_LEN - 1] = '\0';
 		memset(entry->value, 0, sizeof(entry->value));
 		entry->idx_next_stat = idx_name + stats->cnt_stats + 1;
 	}
diff --git a/lib/librte_metrics/rte_metrics.h b/lib/librte_metrics/rte_metrics.h
index 0fa3104e..297300ad 100644
--- a/lib/librte_metrics/rte_metrics.h
+++ b/lib/librte_metrics/rte_metrics.h
@@ -118,7 +118,8 @@ void rte_metrics_init(int socket_id);
  * is required for updating said metric's value.
  *
  * @param name
- *   Metric name
+ *   Metric name. If this exceeds RTE_METRICS_MAX_NAME_LEN (including
+ *   the NULL terminator), it is truncated.
  *
  * @return
  *  - Zero or positive: Success (index key of new metric)