rose: check NULL roseloopbackneigh->loopback
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.257 by commit 0aae33feb7a56b28318f92c960a3d08d9c305984, it was introduced in version v4.19.162 by commit 731b9890a7f136971ac62f3276c4f6e5fa124887. For more details please see the references link.