Gorm model create using []interface{} cause panic

Description

In my situation, I need convert my object model to another interface. When I Use gorm Create []thatInterface, got a panic:

type TestModel struct {
    Id   int `gorm:"primaryKey;autoIncrement:true"`
    Name string
}

func (t *TestModel) TestMe() {
    t.Id = 1
    t.Name = "test"
}

func (t *TestModel) TableName() string {
    return "test_model"
}

type TestInterface interface {
    TestMe()
}

func TestCreate() error {
    db, _ := GetGormDB() // return *gorm.DB

    objs1 := []TestModel{
        {Name: "test1"},
        {Name: "test2"},
    }
    var objs2 []TestInterface
    for _, objs2 := range objs1 {
        objs2 = append(objs2, &obj)
    }
        // create ok
    if err := db.Model(&TestModel{}).Create(&objs1).Error; err != nil {
        return err
    }

        // panic
    if err := db.Model(&TestModel{}).Create(&objs2).Error; err != nil {
        return err
    }
    return nil
}

panic:

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x949f78]

goroutine 1 [running]:
gorm.io/gorm/callbacks.ConvertToCreateValues(0xc0002fa780)
        /usr/local/go/pkg/mod/gorm.io/gorm@v1.25.12/callbacks/create.go:246 +0x358
gorm.io/gorm/callbacks.RegisterDefaultCallbacks.Create.func3(0xc0002eede0)
        /usr/local/go/pkg/mod/gorm.io/gorm@v1.25.12/callbacks/create.go:66 +0x136
gorm.io/gorm.(*processor).Execute(0xc000266eb0, 0xc0002f8570?)
        /usr/local/go/pkg/mod/gorm.io/gorm@v1.25.12/callbacks.go:130 +0x3c3
gorm.io/gorm.(*DB).Create(0xff4620?, {0xd2cb00, 0xc00000e8e8})
        /usr/local/go/pkg/mod/gorm.io/gorm@v1.25.12/finisher_api.go:24 +0xa8

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