How to use Fuzz method of compiler Package

Best Syzkaller code snippet using compiler.Fuzz

fuzz.go

Source:fuzz.go

...20	"android/soong/cc"21	"android/soong/rust/config"22)23func init() {24	android.RegisterModuleType("rust_fuzz", RustFuzzFactory)25	android.RegisterSingletonType("rust_fuzz_packaging", rustFuzzPackagingFactory)26}27type fuzzDecorator struct {28	*binaryDecorator29	Properties            cc.FuzzProperties30	dictionary            android.Path31	corpus                android.Paths32	corpusIntermediateDir android.Path33	config                android.Path34	data                  android.Paths35	dataIntermediateDir   android.Path36}37var _ compiler = (*binaryDecorator)(nil)38// rust_binary produces a binary that is runnable on a device.39func RustFuzzFactory() android.Module {40	module, _ := NewRustFuzz(android.HostAndDeviceSupported)41	return module.Init()42}43func NewRustFuzz(hod android.HostOrDeviceSupported) (*Module, *fuzzDecorator) {44	module, binary := NewRustBinary(hod)45	fuzz := &fuzzDecorator{46		binaryDecorator: binary,47	}48	// Change the defaults for the binaryDecorator's baseCompiler49	fuzz.binaryDecorator.baseCompiler.dir = "fuzz"50	fuzz.binaryDecorator.baseCompiler.dir64 = "fuzz"51	fuzz.binaryDecorator.baseCompiler.location = InstallInData52	module.sanitize.SetSanitizer(cc.Fuzzer, true)53	module.compiler = fuzz54	return module, fuzz55}56func (fuzzer *fuzzDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {57	flags = fuzzer.binaryDecorator.compilerFlags(ctx, flags)58	// `../lib` for installed fuzz targets (both host and device), and `./lib` for fuzz target packages.59	flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/../lib`)60	flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/lib`)61	return flags62}63func (fuzzer *fuzzDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {64	if libFuzzerRuntimeLibrary := config.LibFuzzerRuntimeLibrary(ctx.toolchain()); libFuzzerRuntimeLibrary != "" {65		deps.StaticLibs = append(deps.StaticLibs, libFuzzerRuntimeLibrary)66	}67	deps.SharedLibs = append(deps.SharedLibs, "libc++")68	deps.Rlibs = append(deps.Rlibs, "liblibfuzzer_sys")69	deps = fuzzer.binaryDecorator.compilerDeps(ctx, deps)70	return deps71}72func (fuzzer *fuzzDecorator) compilerProps() []interface{} {73	return append(fuzzer.binaryDecorator.compilerProps(),74		&fuzzer.Properties)75}76func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {77	return RlibLinkage78}79func (fuzzer *fuzzDecorator) autoDep(ctx android.BottomUpMutatorContext) autoDep {80	return rlibAutoDep81}82// Responsible for generating GNU Make rules that package fuzz targets into83// their architecture & target/host specific zip file.84type rustFuzzPackager struct {85	packages    android.Paths86	fuzzTargets map[string]bool87}88func rustFuzzPackagingFactory() android.Singleton {89	return &rustFuzzPackager{}90}91type fileToZip struct {92	SourceFilePath        android.Path93	DestinationPathPrefix string94}95type archOs struct {96	hostOrTarget string97	arch         string98	dir          string99}100func (s *rustFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {101	// Map between each architecture + host/device combination.102	archDirs := make(map[archOs][]fileToZip)103	// List of individual fuzz targets.104	s.fuzzTargets = make(map[string]bool)105	ctx.VisitAllModules(func(module android.Module) {106		// Discard non-fuzz targets.107		rustModule, ok := module.(*Module)108		if !ok {109			return110		}111		fuzzModule, ok := rustModule.compiler.(*fuzzDecorator)112		if !ok {113			return114		}115		// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of116		// fuzz targets we're going to package anyway.117		if !rustModule.Enabled() || rustModule.Properties.PreventInstall ||118			rustModule.InRamdisk() || rustModule.InVendorRamdisk() || rustModule.InRecovery() {119			return120		}121		// Discard modules that are in an unavailable namespace.122		if !rustModule.ExportedToMake() {123			return124		}125		hostOrTargetString := "target"126		if rustModule.Host() {127			hostOrTargetString = "host"128		}129		archString := rustModule.Arch().ArchType.String()130		archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)131		archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}132		var files []fileToZip133		builder := android.NewRuleBuilder(pctx, ctx)134		// Package the corpora into a zipfile.135		if fuzzModule.corpus != nil {136			corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")137			command := builder.Command().BuiltTool("soong_zip").138				Flag("-j").139				FlagWithOutput("-o ", corpusZip)140			rspFile := corpusZip.ReplaceExtension(ctx, "rsp")141			command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)142			files = append(files, fileToZip{corpusZip, ""})143		}144		// Package the data into a zipfile.145		if fuzzModule.data != nil {146			dataZip := archDir.Join(ctx, module.Name()+"_data.zip")147			command := builder.Command().BuiltTool("soong_zip").148				FlagWithOutput("-o ", dataZip)149			for _, f := range fuzzModule.data {150				intermediateDir := strings.TrimSuffix(f.String(), f.Rel())151				command.FlagWithArg("-C ", intermediateDir)152				command.FlagWithInput("-f ", f)153			}154			files = append(files, fileToZip{dataZip, ""})155		}156		// The executable.157		files = append(files, fileToZip{rustModule.unstrippedOutputFile.Path(), ""})158		// The dictionary.159		if fuzzModule.dictionary != nil {160			files = append(files, fileToZip{fuzzModule.dictionary, ""})161		}162		// Additional fuzz config.163		if fuzzModule.config != nil {164			files = append(files, fileToZip{fuzzModule.config, ""})165		}166		fuzzZip := archDir.Join(ctx, module.Name()+".zip")167		command := builder.Command().BuiltTool("soong_zip").168			Flag("-j").169			FlagWithOutput("-o ", fuzzZip)170		for _, file := range files {171			if file.DestinationPathPrefix != "" {172				command.FlagWithArg("-P ", file.DestinationPathPrefix)173			} else {174				command.Flag("-P ''")175			}176			command.FlagWithInput("-f ", file.SourceFilePath)177		}178		builder.Build("create-"+fuzzZip.String(),179			"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)180		// Don't add modules to 'make haiku-rust' that are set to not be181		// exported to the fuzzing infrastructure.182		if config := fuzzModule.Properties.Fuzz_config; config != nil {183			if rustModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {184				return185			} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {186				return187			}188		}189		s.fuzzTargets[module.Name()] = true190		archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})191	})192	var archOsList []archOs193	for archOs := range archDirs {194		archOsList = append(archOsList, archOs)195	}196	sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })197	for _, archOs := range archOsList {198		filesToZip := archDirs[archOs]199		arch := archOs.arch200		hostOrTarget := archOs.hostOrTarget201		builder := android.NewRuleBuilder(pctx, ctx)202		outputFile := android.PathForOutput(ctx, "fuzz-rust-"+hostOrTarget+"-"+arch+".zip")203		s.packages = append(s.packages, outputFile)204		command := builder.Command().BuiltTool("soong_zip").205			Flag("-j").206			FlagWithOutput("-o ", outputFile).207			Flag("-L 0") // No need to try and re-compress the zipfiles.208		for _, fileToZip := range filesToZip {209			if fileToZip.DestinationPathPrefix != "" {210				command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)211			} else {212				command.Flag("-P ''")213			}214			command.FlagWithInput("-f ", fileToZip.SourceFilePath)215		}216		builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,217			"Create fuzz target packages for "+arch+"-"+hostOrTarget)218	}219}220func (s *rustFuzzPackager) MakeVars(ctx android.MakeVarsContext) {221	packages := s.packages.Strings()222	sort.Strings(packages)223	ctx.Strict("SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES", strings.Join(packages, " "))224	// Preallocate the slice of fuzz targets to minimise memory allocations.225	fuzzTargets := make([]string, 0, len(s.fuzzTargets))226	for target, _ := range s.fuzzTargets {227		fuzzTargets = append(fuzzTargets, target)228	}229	sort.Strings(fuzzTargets)230	ctx.Strict("ALL_RUST_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))231}232func (fuzz *fuzzDecorator) install(ctx ModuleContext) {233	fuzz.binaryDecorator.baseCompiler.dir = filepath.Join(234		"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())...

Fuzz

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	pkgs, err := parser.ParseDir(fset, ".", nil, 0)5	if err != nil {6		panic(err)7	}8	prog, _ := ssautil.AllPackages(fset, pkgs, 0)9	prog.Build()10	comp := &compiler{11	}12	comp.compile()13}14type compiler struct {15}16func (comp *compiler) compile() {17	comp.global()18	comp.main()19}20func (comp *compiler) global() {21	g := comp.prog.CreateVariable("global")22	g.SetType(types.Int64)23	init := comp.prog.NewPackage("init")24	block := init.NewBlock("entry")25	block.NewStore(g, ssa.ConstInt64(0))26}27func (comp *compiler) main() {28	main := comp.prog.CreateFunction("main")29	main.Signature = types.NewSignature(nil, nil, nil, false)30	block := main.NewBlock("entry")31	comp.globalFunc(block)32	block.NewReturn(nil)33}34func (comp *compiler) globalFunc(block *ssa.BasicBlock) {35	global := comp.prog.Package("init").Members["global"]36	block.NewCall(global, nil)37}38import (39func main() {

Fuzz

Using AI Code Generation

1import (2func main() {3	compiler := gas.NewCompiler()4	compiler.AddRule(rules.NewBuiltin())5	compiler.AddRule(rules.NewCWE())6	compiler.AddRule(rules.NewGoVet())7	compiler.AddRule(rules.NewGoSec())8	compiler.AddRule(rules.NewGoMetaLinter())9	compiler.AddRule(rules.NewGoCustom())10	compiler.AddRule(rules.NewGoLang())11	compiler.AddRule(rules.NewGoMisc())12	compiler.AddRule(rules.NewGoUnsafe())13	compiler.AddRule(rules.NewGoYaml())14	compiler.AddRule(rules.NewGoErrors())15	compiler.AddRule(rules.NewGoCrypto())16	compiler.AddRule(rules.NewGoAudit())17	compiler.AddRule(rules.NewGoNosec())18	compiler.AddRule(rules.NewGoTest())19	compiler.AddRule(rules.NewGoUnconvert())20	compiler.AddRule(rules.NewGoInsecure())21	compiler.AddRule(rules.NewGoGosec())22	compiler.AddRule(rules.NewGoGosec2())23	compiler.AddRule(rules.NewGoGosec3())24	compiler.AddRule(rules.NewGoGosec4())25	compiler.AddRule(rules.NewGoGosec5())26	compiler.AddRule(rules.NewGoGosec6())27	compiler.AddRule(rules.NewGoGosec7())28	compiler.AddRule(rules.NewGoGosec8())29	compiler.AddRule(rules.NewGoGosec9())30	compiler.AddRule(rules.NewGoGosec10())31	compiler.AddRule(rules.NewGoGosec11())32	compiler.AddRule(rules.NewGoGosec12())33	compiler.AddRule(rules.NewGoGosec13())34	compiler.AddRule(rules.NewGoGosec14())35	compiler.AddRule(rules.NewGoGosec15())36	compiler.AddRule(rules.NewGoGosec16())37	compiler.AddRule(rules.NewGoGosec17())38	compiler.AddRule(rules.NewGoGosec18())39	compiler.AddRule(rules.NewGoGosec19())40	compiler.AddRule(rules.NewGoGosec20())41	compiler.AddRule(rules.NewGoGosec21())42	compiler.AddRule(rules.NewGoGosec22())43	compiler.AddRule(rules.NewGoGosec23())44	compiler.AddRule(rules.NewGoGosec

Fuzz

Using AI Code Generation

1import (2func main() {3    compiler := vm.NewEVMCompiler(params.MainnetChainConfig, 0)4    compiler.Fuzz()5    fmt.Println("Fuzzing Completed")6}7import (8func main() {9    compiler := vm.NewEVMCompiler(params.MainnetChainConfig, 0)10    compiler.Fuzz()11    fmt.Println("Fuzzing Completed")12}13import (14func main() {15    compiler := vm.NewEVMCompiler(params.MainnetChainConfig, 0)16    compiler.Fuzz()17    fmt.Println("Fuzzing Completed")18}19import (20func main() {21    compiler := vm.NewEVMCompiler(params.MainnetChainConfig, 0)22    compiler.Fuzz()23    fmt.Println("Fuzzing Completed")24}25import (26func main() {27    compiler := vm.NewEVMCompiler(params.MainnetChainConfig, 0)28    compiler.Fuzz()29    fmt.Println("Fuzzing Completed")30}31import (32func main() {33    compiler := vm.NewEVMCompiler(params.MainnetChainConfig,

Fuzz

Using AI Code Generation

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

Fuzz

Using AI Code Generation

1import (2func TestFuzz(t *testing.T) {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)5	if err != nil {6		t.Fatal(err)7	}8	conf := types.Config{Importer: importer{}}9	pkg, err := conf.Check("main", fset, []*ast.File{f}, nil)10	if err != nil {11		t.Fatal(err)12	}13	obj := pkg.Scope().Lookup("Fuzz")14	if obj == nil {15		t.Fatal("no Fuzz function")16	}17	fn, ok := obj.(*types.Func)18	if !ok {19		t.Fatalf("Fuzz is a %T, not a function", obj)20	}21	typ := fn.Type().(*types.Signature)22	if typ.Params().Len() != 1 {23		t.Fatalf("Fuzz has %d parameters, want 1", typ.Params().Len())24	}25	if typ.Results().Len() != 1 {26		t.Fatalf("Fuzz has %d results, want 1", typ.Results().Len())27	}28	if typ.Variadic() {29		t.Fatalf("Fuzz is variadic")30	}31	param := typ.Params().At(0)32	if !param.Type().ConvertibleTo(types.Typ[types.String]) {33		t.Fatalf("Fuzz parameter is a %s, not a string", param.Type())34	}35	result := typ.Results().At(0)36	if !result.Type().ConvertibleTo(types.Typ[types.Int]) {37		t.Fatalf("Fuzz result is a %s, not an int", result.Type())38	}39	if fn := runtime.FuncForPC(reflect.ValueOf(fn).Pointer()); fn != nil {40		fnName := fn.Name()41		fval = reflect.ValueOf(f).MethodByName(fnName[strings.LastIndex(fnName, ".")+1:])42	}43	if !fval.IsValid() {44		t.Fatal("no Fuzz function")45	}46	func() {47		defer func() {48			if r := recover(); r != nil {49			}50		}()

Fuzz

Using AI Code Generation

1import (2func main() {3    llvm.InitializeAllTargetInfos()4    llvm.InitializeAllTargets()5    llvm.InitializeAllTargetMCs()6    llvm.InitializeAllAsmParsers()7    llvm.InitializeAllAsmPrinters()8    llvm.InitializeAllDisassemblers()9    module := llvm.NewModule("my_module")10    int32Type := llvm.Int32Type()11    functionType := llvm.FunctionType(int32Type, []llvm.Type{int32Type}, false)12    function := llvm.AddFunction(module, "my_function", functionType)13    entryBasicBlock := llvm.AddBasicBlock(function, "entry")14    builder := llvm.NewBuilder()15    builder.SetInsertPoint(entryBasicBlock, entryBasicBlock.LastInstruction())16    builder.CreateRet(function.FirstParam())17    module.Dump()18    engine, err := llvm.NewExecutionEngine(module)19    if err != nil {20        panic(err)21    }22    functionPointer := engine.GetPointerToFunction(function)23    fmt.Println("Result:", llvm.GenericValueToInt(engine.RunFunction(function, []llvm.GenericValue{llvm.NewGenericValueFromInt(int32Type, 42, false)}), false))24    engine.Dispose()25}

Fuzz

Using AI Code Generation

1import (2func main() {3	scanner := bufio.NewScanner(os.Stdin)4	fmt.Print("Enter the string to be compiled: ")5	scanner.Scan()6	str := scanner.Text()7	c.Fuzz(str)8}9import (10type compiler struct {11}12func (c compiler) Fuzz(str string) {13	fmt.Println("Output: ")14	re := regexp.MustCompile("[^a-zA-Z0-9]+")15	fmt.Println(re.ReplaceAllString(str, ""))16}17import (18type compiler struct {19}20func (c compiler) Fuzz(str string) {21	fmt.Println("Output: ")22	re := regexp.MustCompile("^[a-zA-Z0-9]*$")23	fmt.Println(re.MatchString(str))24}25import (26type compiler struct {27}28func (c compiler) Fuzz(str string) {29	fmt.Println("Output: ")30	re := regexp.MustCompile("^[a-zA-Z0-9]*$")31	fmt.Println(re.MatchString(str))32}33import (34type compiler struct {35}36func (c compiler) Fuzz(str string) {37	fmt.Println("Output: ")38	re := regexp.MustCompile("^[a-zA-Z0-9]*$")39	fmt.Println(re.MatchString(str))40}41import (42type compiler struct {43}44func (c compiler) Fuzz(str string) {45	fmt.Println("Output: ")46	re := regexp.MustCompile("^[a-zA-Z0-9]*$")47	fmt.Println(re.MatchString(str))48}49import (50type compiler struct {51}52func (c compiler) Fuzz(str string) {53	fmt.Println("Output: ")54	re := regexp.MustCompile("^[a-zA-Z0-9]*$")55	fmt.Println(re.MatchString(str))56}

Fuzz

Using AI Code Generation

1import "fmt"2import "os"3func main() {4    fmt.Println("Hello World")5    os.Exit(0)6}7import "fmt"8import "os"9func main() {10    fmt.Println("Hello World")11    os.Exit(0)12}13import "fmt"14import "os"15func main() {16    fmt.Println("Hello World")17    os.Exit(0)18}19import "fmt"20import "os"21func main() {22    fmt.Println("Hello World")23    os.Exit(0)24}25import "fmt"26import "os"27func main() {28    fmt.Println("Hello World")29    os.Exit(0)30}31import "fmt"32import "os"33func main() {34    fmt.Println("Hello World")35    os.Exit(0)36}37import "fmt"38import "os"39func main() {40    fmt.Println("Hello World")41    os.Exit(0)42}43import "fmt"44import "os"45func main() {46    fmt.Println("Hello World")47    os.Exit(0)48}49import "fmt"50import "os"51func main() {52    fmt.Println("Hello World")53    os.Exit(0)54}55import "fmt"56import "os"57func main() {58    fmt.Println("Hello World")59    os.Exit(0)60}61import "fmt"62import "os"63func main() {64    fmt.Println("Hello World")65    os.Exit(0)

Fuzz

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Enter a number: ")4    fmt.Scanln(&x)5    fmt.Println("Fuzz of", x, "is", fuzz(x))6}7func fuzz(x int) int {8    if x%3 == 0 && x%5 == 0 {9    } else if x%3 == 0 {10    } else if x%5 == 0 {11    } else {12    }13}

Fuzz

Using AI Code Generation

1func Fuzz(data []byte) int {2    c := compiler.New()3    c.Fuzz(data)4    c.Parse(data)5    c.Scan(data)6    c.TypeCheck(data)7}8import (9func main() {10    compiler.Fuzz(nil)11}122018/08/04 18:08:58 workers: 8, corpus: 2 (2h0m ago), crashers: 0, restarts: 1/0, execs: 0 (0/sec), cover: 0, uptime: 1m1.578s132018/08/04 18:09:58 workers: 8, corpus: 2 (2h0m ago), crashers: 0, restarts: 1/0, execs: 0 (0/sec), cover: 0, uptime: 2m1.578s

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