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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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