bpf: Fix request_sock leak in sk lookup helpers
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 v5.4.202 by commit 8ffe2e50e9678c8373027492035f094b130437f1, it was introduced in version v5.2 by commit f7355a6c049711ecfbeed573e43d48bee7acb83a. For more details please see the references link.