fs: dlm: fix invalid derefence of sb_lvbptr
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 v6.0.3 by commit 57c1cfb5781068e5d3632bc6e5f74a8fcc4f1a30. For more details please see the references link.