Fix copilot review comments from blockdev mounts PR

Addresses the following comments:
microsoft#2762 (comment)
microsoft#2762 (comment)
microsoft#2762 (comment)
microsoft#2762 (comment)
microsoft#2762 (comment)
microsoft#2762 (comment)

Assisted-by: GitHub Copilot:claude-opus-4.7 copilot-review
Signed-off-by: Tingmao Wang <tingmaowang@microsoft.com>

Author: micromaomao

pkg/securitypolicy/regopolicy_linux_test.go

@@ -2151,7 +2151,7 @@ func Test_Rego_EnforceCreateContainer_Capabilities_Drop_NoMatches(t *testing.T)
 	}
 }
 
-func Test_Regi_EnforceCreateContainer_RequireNoDevices(t *testing.T) {
+func Test_Rego_EnforceCreateContainer_RequireNoDevices(t *testing.T) {
 	f := func(p *generatedConstraints) bool {
 		tc, err := setupSimpleRegoCreateContainerTest(p)
 		if err != nil {
@@ -2180,7 +2180,7 @@ func Test_Regi_EnforceCreateContainer_RequireNoDevices(t *testing.T) {
 	}
 
 	if err := quick.Check(f, &quick.Config{MaxCount: 50, Rand: testRand}); err != nil {
-		t.Errorf("Test_Regi_EnforceCreateContainer_RequireNoDevices: %v", err)
+		t.Errorf("Test_Rego_EnforceCreateContainer_RequireNoDevices: %v", err)
 	}
 }
 

pkg/securitypolicy/securitypolicyenforcer_rego.go

@@ -842,6 +842,13 @@ func appendMountData(mountData []interface{}, mounts []oci.Mount) []interface{}
 	return mountData
 }
 
+func uint32ptrtoany(i *uint32) interface{} {
+	if i == nil {
+		return nil
+	}
+	return *i
+}
+
 func appendDeviceData(deviceData []interface{}, devices []oci.LinuxDevice) []interface{} {
 	for _, device := range devices {
 		deviceData = append(deviceData, inputData{
@@ -850,8 +857,8 @@ func appendDeviceData(deviceData []interface{}, devices []oci.LinuxDevice) []int
 			"major":    device.Major,
 			"minor":    device.Minor,
 			"fileMode": device.FileMode,
-			"uid":      device.UID,
-			"gid":      device.GID,
+			"uid":      uint32ptrtoany(device.UID),
+			"gid":      uint32ptrtoany(device.GID),
 		})
 	}