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// Copyright 2015 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package csource
import (
"fmt"
"math/rand"
"os"
"runtime"
"strings"
"testing"
"time"
"github.com/google/syzkaller/prog"
_ "github.com/google/syzkaller/sys"
)
func TestGenerateOne(t *testing.T) {
t.Parallel()
opts := Options{
Threaded: true,
Collide: true,
Repeat: true,
Procs: 2,
Sandbox: "none",
Repro: true,
UseTmpDir: true,
}
for _, target := range prog.AllTargets() {
if target.OS == "test" {
continue
}
if target.OS == "fuchsia" && !strings.Contains(os.Getenv("SOURCEDIR"), "fuchsia") {
continue
}
if target.OS == "windows" {
continue // TODO(dvyukov): support windows
}
target := target
t.Run(target.OS+"/"+target.Arch, func(t *testing.T) {
if target.OS == "linux" && target.Arch == "arm" {
// This currently fails (at least with my arm-linux-gnueabihf-gcc-4.8) with:
// Assembler messages:
// Error: alignment too large: 15 assumed
t.Skip("broken")
}
if target.OS == "linux" && target.Arch == "386" {
// Currently fails on travis with:
// fatal error: asm/unistd.h: No such file or directory
t.Skip("broken")
}
t.Parallel()
rs := rand.NewSource(0)
p := target.GenerateAllSyzProg(rs)
if len(p.Calls) == 0 {
t.Skip("no syz syscalls")
}
testOne(t, p, opts)
})
}
}
func TestGenerateOptionsHost(t *testing.T) {
target, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH)
if err != nil {
t.Fatal(err)
}
testGenerateOptions(t, target)
}
func TestGenerateOptionsFuchsia(t *testing.T) {
if !strings.Contains(os.Getenv("SOURCEDIR"), "fuchsia") {
t.Skip("SOURCEDIR is not set")
}
target, err := prog.GetTarget("fuchsia", runtime.GOARCH)
if err != nil {
t.Fatal(err)
}
testGenerateOptions(t, target)
}
func testGenerateOptions(t *testing.T, target *prog.Target) {
t.Parallel()
seed := int64(time.Now().UnixNano())
rs := rand.NewSource(seed)
t.Logf("seed=%v", seed)
r := rand.New(rs)
syzProg := target.GenerateAllSyzProg(rs)
t.Logf("syz program:\n%s\n", syzProg.Serialize())
permutations := allOptionsSingle(target.OS)
allPermutations := allOptionsPermutations(target.OS)
if testing.Short() {
for i := 0; i < 16; i++ {
permutations = append(permutations, allPermutations[r.Intn(len(allPermutations))])
}
} else {
permutations = allPermutations
}
for i, opts := range permutations {
opts := opts
rs1 := rand.NewSource(r.Int63())
t.Run(fmt.Sprintf("%v", i), func(t *testing.T) {
t.Parallel()
t.Logf("opts: %+v", opts)
if !testing.Short() {
p := target.Generate(rs1, 10, nil)
testOne(t, p, opts)
}
testOne(t, syzProg, opts)
})
}
}
func testOne(t *testing.T, p *prog.Prog, opts Options) {
src, err := Write(p, opts)
if err != nil {
t.Logf("program:\n%s\n", p.Serialize())
t.Fatalf("%v", err)
}
bin, err := Build(p.Target, src)
if err == ErrNoCompiler {
t.Skip(err)
}
if err != nil {
t.Logf("program:\n%s\n", p.Serialize())
t.Fatalf("%v", err)
}
defer os.Remove(bin)
}
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