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// Copyright 2017 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.
//go:build linux || (freebsd && amd64)
package sanitizers_test
import (
"internal/testenv"
"os/exec"
"strings"
"testing"
)
func TestTSAN(t *testing.T) {
testenv.MustHaveGoBuild(t)
testenv.MustHaveCGO(t)
goos, err := goEnv("GOOS")
if err != nil {
t.Fatal(err)
}
goarch, err := goEnv("GOARCH")
if err != nil {
t.Fatal(err)
}
// The tsan tests require support for the -tsan option.
if !compilerRequiredTsanVersion(goos, goarch) {
t.Skipf("skipping on %s/%s; compiler version for -tsan option is too old.", goos, goarch)
}
if goarch == "riscv64" {
t.Skipf("skipping TestTSAN test on %s (see https://github.com/golang/go/issues/75553)", goarch)
}
t.Parallel()
requireOvercommit(t)
config := configure("thread")
config.skipIfCSanitizerBroken(t)
mustRun(t, config.goCmd("build", "std"))
cases := []struct {
src string
needsRuntime bool
}{
{src: "tsan.go"},
{src: "tsan2.go"},
{src: "tsan3.go"},
{src: "tsan4.go"},
{src: "tsan5.go", needsRuntime: true},
{src: "tsan6.go", needsRuntime: true},
{src: "tsan7.go", needsRuntime: true},
{src: "tsan8.go"},
{src: "tsan9.go"},
{src: "tsan10.go", needsRuntime: true},
{src: "tsan11.go", needsRuntime: true},
{src: "tsan12.go", needsRuntime: true},
{src: "tsan13.go", needsRuntime: true},
{src: "tsan14.go", needsRuntime: true},
{src: "tsan15.go", needsRuntime: true},
}
for _, tc := range cases {
tc := tc
name := strings.TrimSuffix(tc.src, ".go")
t.Run(name, func(t *testing.T) {
t.Parallel()
dir := newTempDir(t)
defer dir.RemoveAll(t)
outPath := dir.Join(name)
mustRun(t, config.goCmd("build", "-o", outPath, srcPath(tc.src)))
cmdArgs := []string{outPath}
if goos == "linux" {
// Disable ASLR for TSAN. See https://go.dev/issue/59418.
out, err := exec.Command("uname", "-m").Output()
if err != nil {
t.Fatalf("failed to run `uname -m`: %v", err)
}
arch := strings.TrimSpace(string(out))
if _, err := exec.Command("setarch", arch, "-R", "true").Output(); err != nil {
// Some systems don't have permission to run `setarch`.
// See https://go.dev/issue/70463.
t.Logf("failed to run `setarch %s -R true`: %v", arch, err)
} else {
cmdArgs = []string{"setarch", arch, "-R", outPath}
}
}
cmd := hangProneCmd(cmdArgs[0], cmdArgs[1:]...)
if tc.needsRuntime {
config.skipIfRuntimeIncompatible(t)
}
// If we don't see halt_on_error, the program
// will only exit non-zero if we call C.exit.
cmd.Env = append(cmd.Environ(), "TSAN_OPTIONS=halt_on_error=1")
mustRun(t, cmd)
})
}
}
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