tcp: fix a signed-integer-overflow bug in tcpaddbacklog()
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 v5.10.153 by commit 4f23cb2be530785db284a685d1b1c30224d8a538, it was introduced in version v4.9 by commit c9c3321257e1b95be9b375f811fb250162af8d39. For more details please see the references link.