[vmm]:Fix the division by zero bug when calculating CPU quota

Signed-off-by: wabct <wabct_yx@hotmail.com>
kuasar-io · Sep 4, 2023 · f8eacf5 · f8eacf5
1 parent ed5fd07
commit f8eacf5
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/vmm/sandbox/src/utils.rs b/vmm/sandbox/src/utils.rs
@@ -162,8 +162,12 @@ fn merge_resources(
 
     LinuxContainerResources {
         cpu_period: resource1.cpu_period,
-        cpu_quota: resource1.cpu_quota
-            + resource2.cpu_quota * resource1.cpu_period / resource2.cpu_period,
+        cpu_quota: if resource2.cpu_period != 0 {
+            resource1.cpu_quota
+                + resource2.cpu_quota * resource1.cpu_period / resource2.cpu_period,
+        } else {
+            resource1.cpu_quota
+        },
         cpu_shares: resource1.cpu_shares + resource2.cpu_shares,
         memory_limit_in_bytes: resource1.memory_limit_in_bytes + resource2.memory_limit_in_bytes,
         oom_score_adj,