From a63b16a0b22020db40193655efd0a47b5a5d53e7 Mon Sep 17 00:00:00 2001
From: Morris Jette <jette@schedmd.com>
Date: Mon, 22 Jun 2015 08:20:56 -0700
Subject: [PATCH] topology/tree: prevent infinite loop if not tree
---
src/plugins/topology/tree/topology_tree.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/plugins/topology/tree/topology_tree.c b/src/plugins/topology/tree/topology_tree.c
index 0033bd3a128..1b422af0455 100644
--- a/src/plugins/topology/tree/topology_tree.c
+++ b/src/plugins/topology/tree/topology_tree.c
@@ -375,6 +375,8 @@ static void _validate_switches(void)
}
if (resolved)
break;
+ if (depth > 20) /* Prevent infinite loop */
+ fatal("Switch configuration is not a tree");
}
switch_levels = 0;
--
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