How to use testWithInstance method of repro Package

Best Syzkaller code snippet using repro.testWithInstance

repro.go

Source:repro.go

...471func (ctx *context) testProg(p *prog.Prog, duration time.Duration, opts csource.Options) (crashed bool, err error) {472	entry := prog.LogEntry{P: p}473	return ctx.testProgs([]*prog.LogEntry{&entry}, duration, opts)474}475func (ctx *context) testWithInstance(callback func(inst *instance.ExecProgInstance) (rep *instance.RunResult,476	err error)) (bool, error) {477	inst := <-ctx.instances478	if inst == nil {479		return false, fmt.Errorf("all VMs failed to boot")480	}481	defer ctx.returnInstance(inst)482	result, err := callback(inst.execProg)483	if err != nil {484		return false, err485	}486	rep := result.Report487	if rep == nil {488		return false, nil489	}490	if rep.Suppressed {491		ctx.reproLogf(2, "suppressed program crash: %v", rep.Title)492		return false, nil493	}494	if ctx.crashType == report.MemoryLeak && rep.Type != report.MemoryLeak {495		ctx.reproLogf(2, "not a leak crash: %v", rep.Title)496		return false, nil497	}498	ctx.report = rep499	return true, nil500}501func encodeEntries(entries []*prog.LogEntry) []byte {502	buf := new(bytes.Buffer)503	for _, ent := range entries {504		fmt.Fprintf(buf, "executing program %v:\n%v", ent.Proc, string(ent.P.Serialize()))505	}506	return buf.Bytes()507}508func (ctx *context) testProgs(entries []*prog.LogEntry, duration time.Duration, opts csource.Options) (509	crashed bool, err error) {510	if len(entries) == 0 {511		return false, fmt.Errorf("no programs to execute")512	}513	pstr := encodeEntries(entries)514	program := entries[0].P.String()515	if len(entries) > 1 {516		program = "["517		for i, entry := range entries {518			program += fmt.Sprintf("%v", len(entry.P.Calls))519			if i != len(entries)-1 {520				program += ", "521			}522		}523		program += "]"524	}525	ctx.reproLogf(2, "testing program (duration=%v, %+v): %s", duration, opts, program)526	ctx.reproLogf(3, "detailed listing:\n%s", pstr)527	return ctx.testWithInstance(func(inst *instance.ExecProgInstance) (*instance.RunResult, error) {528		return inst.RunSyzProg(pstr, duration, opts)529	})530}531func (ctx *context) testCProg(p *prog.Prog, duration time.Duration, opts csource.Options) (crashed bool, err error) {532	return ctx.testWithInstance(func(inst *instance.ExecProgInstance) (*instance.RunResult, error) {533		return inst.RunCProg(p, duration, opts)534	})535}536func (ctx *context) returnInstance(inst *reproInstance) {537	ctx.bootRequests <- inst.index538	inst.execProg.VMInstance.Close()539}540func (ctx *context) reproLogf(level int, format string, args ...interface{}) {541	prefix := fmt.Sprintf("reproducing crash '%v': ", ctx.crashTitle)542	log.Logf(level, prefix+format, args...)543	ctx.stats.Log = append(ctx.stats.Log, []byte(fmt.Sprintf(format, args...)+"\n")...)544}545func (ctx *context) bisectProgs(progs []*prog.LogEntry, pred func([]*prog.LogEntry) (bool, error)) (546	[]*prog.LogEntry, error) {...

testWithInstance

Using AI Code Generation

1var repro = new repro();2repro.testWithInstance();3var repro = new repro();4repro.testWithInstance();5var repro = new repro();6repro.testWithInstance();7var repro = new repro();8repro.testWithInstance();9var repro = new repro();10repro.testWithInstance();11var repro = new repro();12repro.testWithInstance();13var repro = new repro();14repro.testWithInstance();15var repro = new repro();16repro.testWithInstance();17var repro = new repro();18repro.testWithInstance();19var repro = new repro();20repro.testWithInstance();21var repro = new repro();22repro.testWithInstance();23var repro = new repro();24repro.testWithInstance();25var repro = new repro();26repro.testWithInstance();27var repro = new repro();28repro.testWithInstance();29var repro = new repro();30repro.testWithInstance();31var repro = new repro();32repro.testWithInstance();

testWithInstance

Using AI Code Generation

1import (2func main() {3	wg.Add(1)4	go func() {5		defer wg.Done()6		repro := new(Repro)7		repro.testWithInstance()8	}()9	wg.Wait()10}11type Repro struct {12}13func (r *Repro) testWithInstance() {14	runtime.GOMAXPROCS(1)15	for i := 0; i < 1000; i++ {16		go func() {17			fmt.Println("Hello")18		}()19	}20}21import (22func main() {23	wg.Add(1)24	go func() {25		defer wg.Done()26		repro := new(Repro)27		repro.testWithoutInstance()28	}()29	wg.Wait()30}31type Repro struct {32}33func (r *Repro) testWithoutInstance() {34	runtime.GOMAXPROCS(1)35	for i := 0; i < 1000; i++ {36		go func() {37			fmt.Println("Hello")38		}()39	}40}

testWithInstance

Using AI Code Generation

1import (2func main() {3    r.testWithInstance()4}5import (6func main() {7    repro.test()8}9import (10func main() {11    r.test()12}

testWithInstance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	r := repro.Repro{}5	r.TestWithInstance()6}7import (8type Repro struct {9}10func (r *Repro) TestWithInstance() {11	fmt.Println("TestWithInstance")12}13import (14func TestWithInstance(t *testing.T) {15	r := Repro{}16	r.TestWithInstance()17}18import (19func TestWithInstance2(t *testing.T) {20	r := Repro{}21	r.TestWithInstance()22}

testWithInstance

Using AI Code Generation

1import "fmt"2func main() {3	repro := Repro{}4	repro.testWithInstance()5}6import "fmt"7func main() {8	repro := Repro{}9	repro.testWithInstance()10}11import "fmt"12func main() {13	repro := Repro{}14	repro.testWithInstance()15}16import "fmt"17func main() {18	repro := Repro{}19	repro.testWithInstance()20}21import "fmt"22func main() {23	repro := Repro{}24	repro.testWithInstance()25}26import "fmt"27func main() {28	repro := Repro{}29	repro.testWithInstance()30}31import "fmt"32func main() {33	repro := Repro{}34	repro.testWithInstance()35}36import "fmt"37func main() {38	repro := Repro{}39	repro.testWithInstance()40}41import "fmt"42func main() {43	repro := Repro{}44	repro.testWithInstance()45}46import "fmt"47func main() {48	repro := Repro{}49	repro.testWithInstance()50}51import "fmt"52func main() {53	repro := Repro{}54	repro.testWithInstance()55}56import "fmt"57func main() {58	repro := Repro{}59	repro.testWithInstance()60}

testWithInstance

Using AI Code Generation

1func main() {2    repro := Repro{}3    repro.testWithInstance()4}5type Repro struct {6}7func (r *Repro) testWithInstance() {8    r.test()9}10func (r *Repro) test() {11    fmt.Println(r.testString)12}

testWithInstance

Using AI Code Generation

1import (2func main() {3    repro := repro.NewRepro()4    repro.TestWithInstance()5    fmt.Println("Done")6}7import (8func main() {9    repro := repro.NewRepro()10    repro.TestWithInstance()11    fmt.Println("Done")12}13import (14type Repro struct {15}16func NewRepro() *Repro {17    return &Repro{}18}19func (r *Repro) TestWithInstance() {20    r.Instance = NewInstance()21    r.Instance.Run()22}23type Instance struct {24}25func NewInstance() *Instance {26    return &Instance{27        Done: make(chan bool),28    }29}30func (i *Instance) Run() {31    go func() {32        time.Sleep(time.Second * 3)33        fmt.Println("Done")34    }()35}36import (37func TestWithInstance(t *testing.T) {38    repro := NewRepro()39    repro.TestWithInstance()40}41func TestWithInstanceAndSleep(t *testing.T) {42    repro := NewRepro()43    repro.TestWithInstance()44    time.Sleep(time.Second * 4)45}46import (47type Repro struct {48}49func NewRepro() *Repro {50    return &Repro{}51}52func (r *Repro) TestWithInstance() {53    r.Instance = NewInstance()54    r.Instance.Run()55}56type Instance struct {57}58func NewInstance() *Instance {59    return &Instance{60        Done: make(chan bool),61    }62}63func (i *Instance) Run() {64    go func() {65        time.Sleep(time

testWithInstance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	testpkg.TestWithInstance()5}6import (7func TestWithInstance() {8	fmt.Println("TestWithInstance")9	repro.TestWithInstance()10}11import (12func TestWithInstance() {13	fmt.Println("TestWithInstance")14}15I have a file testpkg.go which has a method TestWithInstance() which calls a method TestWithInstance() of a package in repro directory. The code is as follows:16main.main()

testWithInstance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	repro.TestWithInstance()5}6import (7func main() {8	fmt.Println("Hello, playground")9	repro.TestWithNewInstance()10}11import (12type repro struct {13}14func (r repro) TestWithInstance() {15	fmt.Println("testWithInstance")16}17func TestWithNewInstance() {18	r := repro{}19	r.TestWithInstance()20}21import (22func TestWithInstance(t *testing.T) {23	TestWithInstance()24}25func TestWithNewInstance(t *testing.T) {26	TestWithNewInstance()27}28func TestWithInstanceMethod(t *testing.T) {29	r := repro{}30	r.TestWithInstance()31}32func TestWithNewInstanceMethod(t *testing.T) {33	r := repro{}34	r.TestWithInstance()35}36func TestWithNewInstanceMethod2(t *testing.T) {37	r := repro{}38	r.TestWithNewInstance()39}40func TestWithNewInstanceMethod3(t *testing.T) {41	r := repro{}42	r.TestWithNewInstance()43}44func TestWithNewInstanceMethod4(t *testing.T) {45	r := repro{}46	r.TestWithNewInstance()47}48func TestWithNewInstanceMethod5(t *testing.T) {49	r := repro{}50	r.TestWithNewInstance()51}52func TestWithNewInstanceMethod6(t *testing.T) {53	r := repro{}54	r.TestWithNewInstance()55}56func TestWithNewInstanceMethod7(t *testing.T) {57	r := repro{}58	r.TestWithNewInstance()59}60func TestWithNewInstanceMethod8(t *testing.T) {61	r := repro{}62	r.TestWithNewInstance()63}

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