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https://github.com/golang/go
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3ee426aefa
Add asan tests to check the use of Go with -asan option. Currenly, the address sanitizer in Go only checks for error memory access to heap objects. TODO: Enable check for error memory access to global objects. Updates #44853. Change-Id: I83579f229f117b5684a369fc8f365f4dea140648 Reviewed-on: https://go-review.googlesource.com/c/go/+/298615 Trust: fannie zhang <Fannie.Zhang@arm.com> Run-TryBot: fannie zhang <Fannie.Zhang@arm.com> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
35 lines
608 B
Go
35 lines
608 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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/*
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#include <stdlib.h>
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#include <stdio.h>
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int *p;
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int* f() {
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int i;
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p = (int *)malloc(5*sizeof(int));
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for (i = 0; i < 5; i++) {
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p[i] = i+10;
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}
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return p;
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}
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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func main() {
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a := C.f()
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q5 := (*C.int)(unsafe.Add(unsafe.Pointer(a), 4*5))
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// Access to C pointer out of bounds.
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*q5 = 100
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// We shouldn't get here; asan should stop us first.
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fmt.Printf("q5: %d, %x\n", *q5, q5)
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}
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