test.go

package main

import "fmt"
import "runtime"

type Mem struct {
 addr *uintptr
 data *uintptr
}

func main() {
 runtime.GOMAXPROCS(2)

 m := new(Mem)

 var i, j, k interface{}
 i = (*uintptr)(nil)
 j = &m.data

 go func(){
  for {
     k = i
     k = j
   }
 }()

 for {
  ptr, ok := k.(*uintptr)
  if ok && ptr != nil {
    fmt.Println(ptr)
    m.addr = ptr
    *m.addr = 0x4141414141414141;
    fmt.Println("boom: ", *m.data)
  }
 }
}