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cmd/dist: add asan tests for global objects in testsanitizers package
Add tests to test that -asan in Go can detect the error memory access to the global objects. Updates #44853. Change-Id: I612a048460b497d18389160b66e6f818342d3941 Reviewed-on: https://go-review.googlesource.com/c/go/+/321716 Run-TryBot: Fannie Zhang <Fannie.Zhang@arm.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Reviewed-by: Keith Randall <khr@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Benny Siegert <bsiegert@gmail.com>
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@ -52,6 +52,11 @@ func TestASAN(t *testing.T) {
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{src: "asan_unsafe_fail1.go", memoryAccessError: "use-after-poison", errorLocation: "asan_unsafe_fail1.go:25"},
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{src: "asan_unsafe_fail2.go", memoryAccessError: "use-after-poison", errorLocation: "asan_unsafe_fail2.go:25"},
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{src: "asan_unsafe_fail3.go", memoryAccessError: "use-after-poison", errorLocation: "asan_unsafe_fail3.go:18"},
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{src: "asan_global1_fail.go", memoryAccessError: "global-buffer-overflow", errorLocation: "asan_global1_fail.go:12"},
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{src: "asan_global2_fail.go", memoryAccessError: "global-buffer-overflow", errorLocation: "asan_global2_fail.go:19"},
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{src: "asan_global3_fail.go", memoryAccessError: "global-buffer-overflow", errorLocation: "asan_global3_fail.go:13"},
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{src: "asan_global4_fail.go", memoryAccessError: "global-buffer-overflow", errorLocation: "asan_global4_fail.go:21"},
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{src: "asan_global5.go"},
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}
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for _, tc := range cases {
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tc := tc
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25
misc/cgo/testsanitizers/testdata/asan_global1_fail.go
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25
misc/cgo/testsanitizers/testdata/asan_global1_fail.go
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@ -0,0 +1,25 @@
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// Copyright 2022 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 test(int *a) {
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a[2] = 300; // BOOM
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return a[2];
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}
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*/
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import "C"
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import "fmt"
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var cIntArray [2]C.int
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func main() {
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r := C.test(&cIntArray[0])
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fmt.Println("r value = ", r)
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}
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31
misc/cgo/testsanitizers/testdata/asan_global2_fail.go
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31
misc/cgo/testsanitizers/testdata/asan_global2_fail.go
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@ -0,0 +1,31 @@
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// Copyright 2022 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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struct ss {
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int *p;
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int len;
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int cap;
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};
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int test(struct ss *a) {
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struct ss *t = a + 1;
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t->len = 100; // BOOM
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return t->len;
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}
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*/
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import "C"
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import "fmt"
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var tt C.struct_ss
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func main() {
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r := C.test(&tt)
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fmt.Println("r value = ", r)
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}
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28
misc/cgo/testsanitizers/testdata/asan_global3_fail.go
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misc/cgo/testsanitizers/testdata/asan_global3_fail.go
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@ -0,0 +1,28 @@
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// Copyright 2022 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 test(int *a) {
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int* p = a+1;
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*p = 10; // BOOM
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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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var cIntV C.int
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func main() {
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r := C.test((*C.int)(unsafe.Pointer(&cIntV)))
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fmt.Printf("r value is %d", r)
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}
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25
misc/cgo/testsanitizers/testdata/asan_global4_fail.go
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misc/cgo/testsanitizers/testdata/asan_global4_fail.go
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// Copyright 2022 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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import (
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"fmt"
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"unsafe"
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)
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var intGlo int
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func main() {
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r := bar(&intGlo)
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fmt.Printf("r value is %d", r)
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}
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func bar(a *int) int {
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p := (*int)(unsafe.Add(unsafe.Pointer(a), 1*unsafe.Sizeof(int(1))))
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if *p == 10 { // BOOM
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fmt.Println("its value is 10")
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}
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return *p
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}
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22
misc/cgo/testsanitizers/testdata/asan_global5.go
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22
misc/cgo/testsanitizers/testdata/asan_global5.go
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@ -0,0 +1,22 @@
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// Copyright 2022 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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import (
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"fmt"
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)
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type Any struct {
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s string
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b int64
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}
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var Sg = []interface{}{
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Any{"a", 10},
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}
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func main() {
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fmt.Println(Sg[0])
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}
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