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https://github.com/golang/go
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2c58bb2e42
The asan runtime functions may run on stacks that cannot grow, and they do not have large local variables, so it is safe to mark them as NOSPLIT. Add test case. Fixes #50391 Change-Id: Iadcbf1ae0c837d9b64da5be208c7f424e6ba11de Reviewed-on: https://go-review.googlesource.com/c/go/+/374398 Trust: Emmanuel Odeke <emmanuel@orijtech.com> Trust: Fannie Zhang <Fannie.Zhang@arm.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
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 sanitizers_test
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import (
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"strings"
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"testing"
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)
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func TestASAN(t *testing.T) {
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goos, err := goEnv("GOOS")
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if err != nil {
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t.Fatal(err)
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}
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goarch, err := goEnv("GOARCH")
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if err != nil {
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t.Fatal(err)
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}
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// The asan tests require support for the -asan option.
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if !aSanSupported(goos, goarch) {
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t.Skipf("skipping on %s/%s; -asan option is not supported.", goos, goarch)
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}
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t.Parallel()
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requireOvercommit(t)
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config := configure("address")
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config.skipIfCSanitizerBroken(t)
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mustRun(t, config.goCmd("build", "std"))
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cases := []struct {
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src string
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memoryAccessError string
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errorLocation string
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}{
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{src: "asan1_fail.go", memoryAccessError: "heap-use-after-free", errorLocation: "asan1_fail.go:25"},
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{src: "asan2_fail.go", memoryAccessError: "heap-buffer-overflow", errorLocation: "asan2_fail.go:31"},
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{src: "asan3_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan3_fail.go:13"},
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{src: "asan4_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan4_fail.go:13"},
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{src: "asan5_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan5_fail.go:18"},
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{src: "asan_useAfterReturn.go"},
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}
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for _, tc := range cases {
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tc := tc
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name := strings.TrimSuffix(tc.src, ".go")
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t.Run(name, func(t *testing.T) {
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t.Parallel()
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dir := newTempDir(t)
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defer dir.RemoveAll(t)
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outPath := dir.Join(name)
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mustRun(t, config.goCmd("build", "-o", outPath, srcPath(tc.src)))
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cmd := hangProneCmd(outPath)
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if tc.memoryAccessError != "" {
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outb, err := cmd.CombinedOutput()
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out := string(outb)
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if err != nil && strings.Contains(out, tc.memoryAccessError) {
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// This string is output if the
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// sanitizer library needs a
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// symbolizer program and can't find it.
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const noSymbolizer = "external symbolizer"
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// Check if -asan option can correctly print where the error occured.
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if tc.errorLocation != "" &&
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!strings.Contains(out, tc.errorLocation) &&
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!strings.Contains(out, noSymbolizer) &&
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compilerSupportsLocation() {
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t.Errorf("%#q exited without expected location of the error\n%s; got failure\n%s", strings.Join(cmd.Args, " "), tc.errorLocation, out)
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}
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return
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}
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t.Fatalf("%#q exited without expected memory access error\n%s; got failure\n%s", strings.Join(cmd.Args, " "), tc.memoryAccessError, out)
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}
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mustRun(t, cmd)
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})
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}
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}
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