Syscall param socketcall.getsockname(name) points to unaddressable byte(s) ... by 0x........: main (buflen_check.c:18) Address 0x........ is not stack'd, malloc'd or (recently) free'd Syscall param socketcall.getsockname(namelen_in) points to unaddressable byte(s) ... by 0x........: main (buflen_check.c:19) Address 0x........ is not stack'd, malloc'd or (recently) free'd getsockname(1) failed getsockname(2) failed