afs: Fix dynamic root getattr
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 v4.19.250 by commit 65c24caf1b9f5b08397c6e805ec24ebc390c6e4d, it was introduced in version v4.19.245 by commit b76ea7c06b24dcf97ea3379b6957d5b99c346ea0. For more details please see the references link.