go asan_unsafe_fail1 源码
golang asan_unsafe_fail1 代码
文件路径：/misc/cgo/testsanitizers/testdata/asan_unsafe_fail1.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
c := add(a, b)
d := a + b
fmt.Println(c, d)
}
//go:noinline
func add(a1, b1 int) int {
// The arguments.
// When -asan is enabled, unsafe.Pointer(&a1) conversion is escaping.
var p *int = (*int)(unsafe.Add(unsafe.Pointer(&a1), 1*unsafe.Sizeof(int(1))))
*p = 10 // BOOM
return a1 + b1
}
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