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)) | |
} |