go asan1_fail 源码
golang asan1_fail 代码
文件路径：/misc/cgo/testsanitizers/testdata/asan1_fail.go
// Copyright 2021 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
/*
#include <stdlib.h>
#include <stdio.h>
int *p;
int* test() {
p = (int *)malloc(2 * sizeof(int));
free(p);
return p;
}
*/
import "C"
import "fmt"
func main() {
// C passes Go an invalid pointer.
a := C.test()
// Use after free
*a = 2 // BOOM
// We shouldn't get here; asan should stop us first.
fmt.Println(*a)
}
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