libct: add a defer fd close in createDeviceNode

lifubang · lifubang · commit 50c0d737a959 · 2025-11-20T07:16:43.000Z
Signed-off-by: lifubang <lifubang@acmcoder.com> (cherry picked from commit 9a5e626) Signed-off-by: lifubang <lifubang@acmcoder.com>
diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
@@ -995,6 +995,8 @@ func createDeviceNode(rootfs string, node *devices.Device, bind bool) error {
 	if err != nil {
 		return fmt.Errorf("mkdir parent of device inode %q: %w", node.Path, err)
 	}
+	defer destDir.Close()
+
 	if bind {
 		return bindMountDeviceNode(destDir, destName, node)
 	}

Original file line number	Diff line number	Diff line change
`@@ -995,6 +995,8 @@ func createDeviceNode(rootfs string, node *devices.Device, bind bool) error {`
`995`	`995`	`if err != nil {`
`996`	`996`	`return fmt.Errorf("mkdir parent of device inode %q: %w", node.Path, err)`
`997`	`997`	`}`
	`998`	`+ defer destDir.Close()`
	`999`	`+`
`998`	`1000`	`if bind {`
`999`	`1001`	`return bindMountDeviceNode(destDir, destName, node)`
`1000`	`1002`	`}`