bpf, sockmap: Fix double uncharge the mem of sk_msg
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 v5.16.19 by commit 223f3c51ab163852dd4819d357dcf33039929434, it was introduced in version v4.20 by commit 604326b41a6fb9b4a78b6179335decee0365cd8c. For more details please see the references link.