From 4d6c78fb892cc190bd86e3430650af3f946973e9 Mon Sep 17 00:00:00 2001
From: Paul Bone <pbone@mozilla.com>
Date: Tue, 2 Mar 2021 20:31:23 +1100
Subject: [PATCH] Only set numPhysicalCores if ratio is valid

---
 programs/util.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/programs/util.c b/programs/util.c
index be048332b..9b0405043 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -1212,11 +1212,13 @@ int UTIL_countPhysicalCores(void)
                 /* fall back on the sysconf value */
                 goto failed;
         }   }
-        if (siblings && cpu_cores) {
+        if (siblings && cpu_cores && siblings > cpu_cores) {
             ratio = siblings / cpu_cores;
         }
 
-        numPhysicalCores = numPhysicalCores / ratio;
+        if (ratio && numPhysicalCores > ratio) {
+            numPhysicalCores = numPhysicalCores / ratio;
+        }
 
 failed:
         fclose(cpuinfo);