GSD-2022-1001929 cifs: fix handlecache and multiuser

cifs: fix handlecache and multiuser 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 v5.15.33 by commit 2fafbc198613823943c106d1ec9b516da692059f...