f2fs: fix to do sanity check on last xattr entry in _f2fssetxattr()
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 v5.15.12 by commit a8a9d753edd7f71e6a2edaa580d8182530b68791. For more details please see the references link.