go/misc/cgo/testsanitizers/testdata/asan_unsafe_fail3.go

22 lines
471 B
Go

// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"fmt"
"unsafe"
)
func main() {
a := 1
b := 2
// The local variables.
// When -asan is enabled, the unsafe.Pointer(&a) conversion is escaping.
var p *int = (*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&a)) + 1*unsafe.Sizeof(int(1))))
*p = 20 // BOOM
d := a + b
fmt.Println(d)
}