commit 9d6e8bfe26c24df8272d6af782ebbde9ef62acb0
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Wed Sep 6 17:35:56 2017 +0200

    Avoid letting snprintf interpret process name as format

diff --git a/utils/lstopo/lstopo.c b/utils/lstopo/lstopo.c
index a2398001..e9d600d4 100644
--- a/utils/lstopo/lstopo.c
+++ b/utils/lstopo/lstopo.c
@@ -229,7 +229,7 @@ static void add_process_objects(hwloc_topology_t topology)
           if (!parenl) {
             snprintf(comm, sizeof(comm), "(unknown)");
           } else {
-            snprintf(comm, sizeof(comm), parenl+1);
+            snprintf(comm, sizeof(comm), "%s", parenl+1);
           }
         }
 
