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 v5.10.89 by commit fffb6581a23add416239dfcf7e7f3980c6b913da. For more details please see the references link.