sysctl: Fix data races in proc_douintvec().
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 v5.18.13 by commit 630c76850d554d7140232e71b5d1663e88cffb54, it was introduced in version v4.8 by commit e7d316a02f683864a12389f8808570e37fb90aa3. For more details please see the references link.