mrp: introduce active flags to prevent UAF when applicant uninit
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 v6.0.16 by commit 1a185fe83c2a60c1e3596fb9d82dbeb148dc09c6. For more details please see the references link.