| package main | |
| import ( | |
| "fmt" | |
| "runtime" | |
| "unsafe" | |
| ) | |
| func main() { | |
| p := new([1024 * 1000]int) | |
| p[0] = 10 | |
| r := bar(&p[1024*1000-1]) | |
| fmt.Printf("r value is %d", r) | |
| } | |
| func bar(a *int) int { | |
| p := unsafe.Add(unsafe.Pointer(a), 2*unsafe.Sizeof(int(1))) | |
| runtime.ASanWrite(p, 8) // BOOM | |
| *((*int)(p)) = 10 | |
| return *((*int)(p)) | |
| } |