How to use generateArgs method of prog Package

Best Syzkaller code snippet using prog.generateArgs

rand.go

Source:rand.go

...372	c := &Call{373		Meta: meta,374		Ret:  MakeReturnArg(meta.Ret),375	}376	c.Args, calls = r.generateArgs(s, meta.Args)377	r.target.assignSizesCall(c)378	calls = append(calls, c)379	for _, c1 := range calls {380		r.target.SanitizeCall(c1)381	}382	return calls383}384// GenerateAllSyzProg generates a program that contains all pseudo syz_ calls for testing.385func (target *Target) GenerateAllSyzProg(rs rand.Source) *Prog {386	p := &Prog{387		Target: target,388	}389	r := newRand(target, rs)390	s := newState(target, nil)391	handled := make(map[string]bool)392	for _, meta := range target.Syscalls {393		if !strings.HasPrefix(meta.CallName, "syz_") || handled[meta.CallName] {394			continue395		}396		handled[meta.CallName] = true397		calls := r.generateParticularCall(s, meta)398		for _, c := range calls {399			s.analyze(c)400			p.Calls = append(p.Calls, c)401		}402	}403	if err := p.validate(); err != nil {404		panic(err)405	}406	return p407}408// GenerateSimpleProg generates the simplest non-empty program for testing409// (e.g. containing a single mmap).410func (target *Target) GenerateSimpleProg() *Prog {411	return &Prog{412		Target: target,413		Calls:  []*Call{target.MakeMmap(0, target.PageSize)},414	}415}416func (target *Target) GenerateUberMmapProg() *Prog {417	return &Prog{418		Target: target,419		Calls:  []*Call{target.MakeMmap(0, target.NumPages*target.PageSize)},420	}421}422func (r *randGen) generateArgs(s *state, types []Type) ([]Arg, []*Call) {423	var calls []*Call424	args := make([]Arg, len(types))425	// Generate all args. Size args have the default value 0 for now.426	for i, typ := range types {427		arg, calls1 := r.generateArg(s, typ)428		if arg == nil {429			panic(fmt.Sprintf("generated arg is nil for type '%v', types: %+v", typ.Name(), types))430		}431		args[i] = arg432		calls = append(calls, calls1...)433	}434	return args, calls435}436func (r *randGen) generateArg(s *state, typ Type) (arg Arg, calls []*Call) {437	return r.generateArgImpl(s, typ, false)438}439func (r *randGen) generateArgImpl(s *state, typ Type, ignoreSpecial bool) (arg Arg, calls []*Call) {440	if typ.Dir() == DirOut {441		// No need to generate something interesting for output scalar arguments.442		// But we still need to generate the argument itself so that it can be referenced443		// in subsequent calls. For the same reason we do generate pointer/array/struct444		// output arguments (their elements can be referenced in subsequent calls).445		switch typ.(type) {446		case *IntType, *FlagsType, *ConstType, *ProcType,447			*VmaType, *ResourceType:448			return r.target.defaultArg(typ), nil449		}450	}451	if typ.Optional() && r.oneOf(5) {452		return r.target.defaultArg(typ), nil453	}454	// Allow infinite recursion for optional pointers.455	if pt, ok := typ.(*PtrType); ok && typ.Optional() {456		switch pt.Type.(type) {457		case *StructType, *ArrayType, *UnionType:458			name := pt.Type.Name()459			r.recDepth[name]++460			defer func() {461				r.recDepth[name]--462				if r.recDepth[name] == 0 {463					delete(r.recDepth, name)464				}465			}()466			if r.recDepth[name] >= 3 {467				return MakeNullPointerArg(typ), nil468			}469		}470	}471	if !ignoreSpecial && typ.Dir() != DirOut {472		switch typ.(type) {473		case *StructType, *UnionType:474			if gen := r.target.SpecialTypes[typ.Name()]; gen != nil {475				return gen(&Gen{r, s}, typ, nil)476			}477		}478	}479	return typ.generate(r, s)480}481func (a *ResourceType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {482	switch {483	case r.nOutOf(1000, 1011):484		// Get an existing resource.485		var allres []*ResultArg486		for name1, res1 := range s.resources {487			if r.target.isCompatibleResource(a.Desc.Name, name1) ||488				r.oneOf(20) && r.target.isCompatibleResource(a.Desc.Kind[0], name1) {489				allres = append(allres, res1...)490			}491		}492		if len(allres) != 0 {493			arg = MakeResultArg(a, allres[r.Intn(len(allres))], 0)494		} else {495			arg, calls = r.createResource(s, a)496		}497	case r.nOutOf(10, 11):498		// Create a new resource.499		arg, calls = r.createResource(s, a)500	default:501		special := a.SpecialValues()502		arg = MakeResultArg(a, nil, special[r.Intn(len(special))])503	}504	return arg, calls505}506func (a *BufferType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {507	switch a.Kind {508	case BufferBlobRand, BufferBlobRange:509		sz := r.randBufLen()510		if a.Kind == BufferBlobRange {511			sz = r.randRange(a.RangeBegin, a.RangeEnd)512		}513		if a.Dir() == DirOut {514			return MakeOutDataArg(a, sz), nil515		}516		data := make([]byte, sz)517		for i := range data {518			data[i] = byte(r.Intn(256))519		}520		return MakeDataArg(a, data), nil521	case BufferString:522		data := r.randString(s, a)523		if a.Dir() == DirOut {524			return MakeOutDataArg(a, uint64(len(data))), nil525		}526		return MakeDataArg(a, data), nil527	case BufferFilename:528		if a.Dir() == DirOut {529			var sz uint64530			switch {531			case !a.Varlen():532				sz = a.Size()533			case r.nOutOf(1, 3):534				sz = r.rand(100)535			case r.nOutOf(1, 2):536				sz = 108 // UNIX_PATH_MAX537			default:538				sz = 4096 // PATH_MAX539			}540			return MakeOutDataArg(a, sz), nil541		}542		return MakeDataArg(a, []byte(r.filename(s, a))), nil543	case BufferText:544		if a.Dir() == DirOut {545			return MakeOutDataArg(a, uint64(r.Intn(100))), nil546		}547		return MakeDataArg(a, r.generateText(a.Text)), nil548	default:549		panic("unknown buffer kind")550	}551}552func (a *VmaType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {553	npages := r.randPageCount()554	if a.RangeBegin != 0 || a.RangeEnd != 0 {555		npages = a.RangeBegin + uint64(r.Intn(int(a.RangeEnd-a.RangeBegin+1)))556	}557	return r.allocVMA(s, a, npages), nil558}559func (a *FlagsType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {560	return MakeConstArg(a, r.flags(a.Vals)), nil561}562func (a *ConstType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {563	return MakeConstArg(a, a.Val), nil564}565func (a *IntType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {566	v := r.randInt()567	switch a.Kind {568	case IntFileoff:569		switch {570		case r.nOutOf(90, 101):571			v = 0572		case r.nOutOf(10, 11):573			v = r.rand(100)574		default:575			v = r.randInt()576		}577	case IntRange:578		v = r.randRangeInt(a.RangeBegin, a.RangeEnd)579	}580	return MakeConstArg(a, v), nil581}582func (a *ProcType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {583	return MakeConstArg(a, r.rand(int(a.ValuesPerProc))), nil584}585func (a *ArrayType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {586	var count uint64587	switch a.Kind {588	case ArrayRandLen:589		count = r.randArrayLen()590	case ArrayRangeLen:591		count = r.randRange(a.RangeBegin, a.RangeEnd)592	}593	var inner []Arg594	for i := uint64(0); i < count; i++ {595		arg1, calls1 := r.generateArg(s, a.Type)596		inner = append(inner, arg1)597		calls = append(calls, calls1...)598	}599	return MakeGroupArg(a, inner), calls600}601func (a *StructType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {602	args, calls := r.generateArgs(s, a.Fields)603	group := MakeGroupArg(a, args)604	return group, calls605}606func (a *UnionType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {607	optType := a.Fields[r.Intn(len(a.Fields))]608	opt, calls := r.generateArg(s, optType)609	return MakeUnionArg(a, opt), calls610}611func (a *PtrType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {612	inner, calls := r.generateArg(s, a.Type)613	arg = r.allocAddr(s, a, inner.Size(), inner)614	return arg, calls615}616func (a *LenType) generate(r *randGen, s *state) (arg Arg, calls []*Call) {...

generateArgs

Using AI Code Generation

1import (2type prog struct {3}4func (p prog) generateArgs() {5	p.args = []string{}6}7func (p prog) run() {8	cmd := exec.Command(p.name, p.args...)9	err := cmd.Run()10	if err != nil {11		fmt.Println(err)12	}13}14func main() {15	p := prog{name: "ls"}16	p.generateArgs()17	p.run()18	p = prog{name: "echo"}19	p.generateArgs()20	p.run()21	p = prog{name: "echo"}22	p.generateArgs()

generateArgs

Using AI Code Generation

1import (2func main() {3	p := program.Prog{}4	p.GenerateArgs()5	fmt.Println(p.Result)6}7import (8func main() {9	p := program.Prog{}10	p.GenerateArgs()11	fmt.Println(p.Result)12}13import (14func main() {15	p := program.Prog{}16	p.GenerateArgs()17	fmt.Println(p.Result)18}19import (20func main() {21	p := program.Prog{}22	p.GenerateArgs()23	fmt.Println(p.Result)24}25import (26func main() {27	p := program.Prog{}28	p.GenerateArgs()29	fmt.Println(p.Result)30}31import (32func main() {33	p := program.Prog{}34	p.GenerateArgs()35	fmt.Println(p.Result)36}37import (38func main() {39	p := program.Prog{}40	p.GenerateArgs()41	fmt.Println(p.Result)42}

generateArgs

Using AI Code Generation

1import (2func main() {3flag.StringVar(&p.name, "name", "gopher", "help message for flagname")4flag.IntVar(&p.age, "age", 5, "help message for flagage")5flag.Parse()6p.generateArgs()7}8import (9type prog struct {10}11func (p *prog) generateArgs() {12fmt.Println("name:", p.name)13fmt.Println("age:", p.age)14}

generateArgs

Using AI Code Generation

1import (2func main() {3	p := prog{}4	args := p.generateArgs()5	p.execute(args)6}7type prog struct {8}9func (p prog) generateArgs() []string {10	args := []string{"-l", "-a"}11}12func (p prog) execute(args []string) {13	cmd := exec.Command("ls", args...)14	out, err := cmd.Output()15	if err != nil {16		fmt.Println(err)17		os.Exit(1)18	}19	fmt.Println(string(out))20}21import (22func main() {23	p := prog{}24	args := p.generateArgs()25	p.execute(args)26}27type prog struct {28}29func (p prog) generateArgs() []string {30	args := []string{"-l", "-a"}31}32func (p prog) execute(args []string) {33	cmd := exec.Command("ls", args...)34	out, err := cmd.Output()35	if err != nil {36		fmt.Println(err)37		os.Exit(1)38	}39	fmt.Println(string(out))40}41import (42func main() {43	p := prog{}44	args := p.generateArgs()45	p.execute(args)46}47type prog struct {48}49func (p prog) generateArgs() []string {

generateArgs

Using AI Code Generation

1import (2func main() {3    p := new(prog)4    p.generateArgs()5    p.execProg()6}7type prog struct {8}9func (p *prog) generateArgs() {10    randNum := rand.Intn(10) + 111    randNumStr := strconv.Itoa(randNum)12    p.args = append(p.args, randNumStr)13}14func (p *prog) execProg() {15    cmd := exec.Command("go", append([]string{"run", "1.go"}, p.args...)...)16    err := cmd.Run()17    if err != nil {18        fmt.Println(err)19    }20}21$ for i in {

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