Source file src/cmd/cgo/internal/testsanitizers/testdata/asan5_fail.go

Documentation: cmd/cgo/internal/testsanitizers/testdata

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"runtime"
     6  	"unsafe"
     7  )
     8  
     9  func main() {
    10  	p := new([1024 * 1000]int)
    11  	p[0] = 10
    12  	r := bar(&p[1024*1000-1])
    13  	fmt.Printf("r value is %d", r)
    14  }
    15  
    16  func bar(a *int) int {
    17  	p := unsafe.Add(unsafe.Pointer(a), 2*unsafe.Sizeof(int(1)))
    18  	runtime.ASanWrite(p, 8) // BOOM
    19  	*((*int)(p)) = 10
    20  	return *((*int)(p))
    21  }
    22  

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