GSD-2022-1000981 net/smc: use memcpy instead of snprintf to avoid out of bounds read

net/smc: use memcpy instead of snprintf to avoid out of bounds read. 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 v5.11 by commit 8a4465368964b4fbaf084760c94c7aabf61059fb, it was introduced in version v5.11 by commit a3db10efcc4cc9c03a6375920179ade75ea2df7a. For more details please see the references link