vm: make sure vm.Pools are cleaned up

Add calls to Close() from all locations that call Create().

2 files changed, 2 insertions, 0 deletions

diff --git a/pkg/build/netbsd.go b/pkg/build/netbsd.go
index 61c31a8c7..567fa122c 100644
--- a/pkg/build/netbsd.go
+++ b/pkg/build/netbsd.go
@@ -123,6 +123,7 @@ func (ctx netbsd) copyKernelToDisk(targetArch, vmType, outputDir, kernel string)
 	if err != nil {
 		return fmt.Errorf("failed to create a VM Pool: %w", err)
 	}
+	defer pool.Close()
 	// Create a new reporter instance.
 	reporter, err := report.NewReporter(cfg)
 	if err != nil {
diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index ab79569f9..4c877a229 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -257,6 +257,7 @@ func (env *env) Test(numVMs int, reproSyz, reproOpts, reproC []byte) ([]EnvTestR
 	if err != nil {
 		return nil, fmt.Errorf("failed to create VM pool: %w", err)
 	}
+	defer vmPool.Close()
 	if n := vmPool.Count(); numVMs > n {
 		numVMs = n
 	}