perf: Fix list corruption in perfcgroupswitch()
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 v4.19.230 by commit 30d9f3cbe47e1018ddc8069ac5b5c9e66fbdf727, it was introduced in version v4.11 by commit 058fe1c0440e68a1ba3c2270ae43e9f0298b27d8. For more details please see the references link.