Ensure portNumber is not to large

Otherwise we could have a potential integer overflow when converting to int in the following statement.
arnested · Sep 18, 2024 · 96bfcea · 96bfcea
1 parent 23eae8f
commit 96bfcea
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/internal/container/container.go b/internal/container/container.go
@@ -56,6 +56,11 @@ func (c Container) Services() map[string]uint16 {
 			continue
 		}
 
+		if portNumber > 65535 {
+			log.Logf(log.PriErr, "Port number %d is too large", portNumber)
+			continue
+		}
+
 		service := netdb.GetServByPort(int(portNumber), proto)
 
 		if service == nil || proto == nil {