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How to use isNetlinkPolicy method of main Package

Best Syzkaller code snippet using main.isNetlinkPolicy

check.go

Source:check.go

...394		fields = t.Fields395	case *prog.UnionType:396		fields = t.Fields397	}398	if !isNetlinkPolicy(fields) {399		return nil, nil400	}401	kernelName := name402	var ss []symbolizer.Symbol403	// In some cases we split a single policy into multiple ones404	// (more precise description), so try to match our foo_bar_baz405	// with kernel foo_bar and foo as well.406	for kernelName != "" {407		ss = symbols[kernelName]408		if len(ss) != 0 {409			break410		}411		underscore := strings.LastIndexByte(kernelName, '_')412		if underscore == -1 {413			break414		}415		kernelName = kernelName[:underscore]416	}417	if len(ss) == 0 {418		return []Warn{{pos: astStruct.Pos, typ: WarnNoNetlinkPolicy, msg: name}}, nil419	}420	var warnings []Warn421	var warnings1 *[]Warn422	var policy1 []nlaPolicy423	var attrs1 map[int]bool424	// We may have several symbols with the same name (they frequently have internal linking),425	// in such case we choose the one that produces fewer warnings.426	for _, symb := range ss {427		if symb.Size == 0 || symb.Size%int(unsafe.Sizeof(nlaPolicy{})) != 0 {428			warnings = append(warnings, Warn{pos: astStruct.Pos, typ: WarnNetlinkBadSize,429				msg: fmt.Sprintf("%v (%v), size %v", kernelName, name, ss[0].Size)})430			continue431		}432		binary := make([]byte, symb.Size)433		addr := symb.Addr - rodata.Addr434		if _, err := rodata.ReadAt(binary, int64(addr)); err != nil {435			return nil, fmt.Errorf("failed to read policy %v (%v) at %v: %v",436				kernelName, name, symb.Addr, err)437		}438		policy := (*[1e6]nlaPolicy)(unsafe.Pointer(&binary[0]))[:symb.Size/int(unsafe.Sizeof(nlaPolicy{}))]439		warnings2, attrs2, err := checkNetlinkPolicy(structMap, typ, fields, astStruct, policy)440		if err != nil {441			return nil, err442		}443		if warnings1 == nil || len(*warnings1) > len(warnings2) {444			warnings1 = &warnings2445			policy1 = policy446			attrs1 = attrs2447		}448	}449	if warnings1 != nil {450		warnings = append(warnings, *warnings1...)451		ca := checkedAttrs[kernelName]452		if ca == nil {453			ca = &checkAttr{454				pos:    astStruct.Pos,455				name:   name,456				policy: policy1,457				attrs:  make(map[int]bool),458			}459			checkedAttrs[kernelName] = ca460		}461		for attr := range attrs1 {462			ca.attrs[attr] = true463		}464	}465	return warnings, nil466}467type checkAttr struct {468	pos    ast.Pos469	name   string470	policy []nlaPolicy471	attrs  map[int]bool472}473func checkMissingAttrs(checkedAttrs map[string]*checkAttr) []Warn {474	// Missing attribute checking is a bit tricky because we may split a single475	// kernel policy into several policies for better precision.476	// They have different names, but map to the same kernel policy.477	// We want to report a missing attribute iff it's missing in all copies of the policy.478	var warnings []Warn479	for _, ca := range checkedAttrs {480		var missing []int481		for i, pol := range ca.policy {482			// Ignore attributes that are not described in the policy483			// (some of them are unused at all, however there are cases where484			// they are not described but used as inputs, and these are actually485			// the worst ones).486			if !ca.attrs[i] && (pol.typ != NLA_UNSPEC && pol.typ != NLA_REJECT || pol.len != 0) {487				missing = append(missing, i)488			}489		}490		// If we miss too many, there is probably something else going on.491		if len(missing) != 0 && len(missing) <= 5 {492			warnings = append(warnings, Warn{493				pos: ca.pos,494				typ: WarnNetlinkBadAttr,495				msg: fmt.Sprintf("%v: missing attributes: %v", ca.name, missing),496			})497		}498	}499	return warnings500}501func isNetlinkPolicy(fields []prog.Field) bool {502	haveAttr := false503	for _, fld := range fields {504		field := fld.Type505		if prog.IsPad(field) {506			continue507		}508		if isNlattr(field) {509			haveAttr = true510			continue511		}512		if arr, ok := field.(*prog.ArrayType); ok {513			field = arr.Elem514		}515		if field1, ok := field.(*prog.StructType); ok {516			if isNetlinkPolicy(field1.Fields) {517				continue518			}519		}520		if field1, ok := field.(*prog.UnionType); ok {521			if isNetlinkPolicy(field1.Fields) {522				continue523			}524		}525		return false526	}527	return haveAttr528}529const (530	nlattrT  = "nlattr_t"531	nlattrTT = "nlattr_tt"532)533func isNlattr(typ prog.Type) bool {534	name := typ.TemplateName()535	return name == nlattrT || name == nlattrTT...

isNetlinkPolicy

Using AI Code Generation

1import (2func main() {3	fmt.Println(net.IPv4(192, 168, 1, 1).IsGlobalUnicast())4	fmt.Println(net.IPv4(192, 168, 1, 1).IsInterfaceLocalMulticast())5	fmt.Println(net.IPv4(192, 168, 1, 1).IsLinkLocalMulticast())6	fmt.Println(net.IPv4(192, 168, 1, 1).IsLinkLocalUnicast())7	fmt.Println(net.IPv4(192, 168, 1, 1).IsLoopback())8	fmt.Println(net.IPv4(192, 168, 1, 1).IsMulticast())9	fmt.Println(net.IPv4(192, 168, 1, 1).IsUnspecified())10}11import (12func main() {13	fmt.Println(net.ParseIP("

isNetlinkPolicy

Using AI Code Generation

1import "fmt"2func main() {3	fmt.Scan(&n1, &n2, &n3, &n4, &n5, &n6, &n7, &n8, &n9, &n10)4	var arr1 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}5	var arr2 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}6	var arr3 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}7	var arr4 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}8	var arr5 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}9	var arr6 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}10	var arr7 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}11	var arr8 [10]int = [10]int{n1, n2, n3, n4, n5, n6, n7, n8, n9, n10}12	var arr9 [10]int = [10]int{n1, n2,

isNetlinkPolicy

Using AI Code Generation

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

isNetlinkPolicy

Using AI Code Generation

1import (2func main() {3	ret = obj.IsNetlinkPolicy()4	fmt.Println("IsNetlinkPolicy: ", ret)5}6import (7func main() {8	ret = obj.IsNetlinkPolicy()9	fmt.Println("IsNetlinkPolicy: ", ret)10}11import (12func main() {13	ret = obj.IsNetlinkPolicy()14	fmt.Println("IsNetlinkPolicy: ", ret)15}16import (17func main() {18	ret = obj.IsNetlinkPolicy()19	fmt.Println("IsNetlinkPolicy: ", ret)20}21import (22func main() {23	ret = obj.IsNetlinkPolicy()24	fmt.Println("IsNetlinkPolicy: ", ret)25}26import (27func main() {28	ret = obj.IsNetlinkPolicy()29	fmt.Println("IsNetlinkPolicy: ", ret)30}31import (

isNetlinkPolicy

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	obj.isNetlinkPolicy()5}6import (7func (m main1) isNetlinkPolicy() {8	fmt.Println("isNetlinkPolicy")9}10import (11func (m main1) isNetlinkPolicy() {12	fmt.Println("isNetlinkPolicy")13}14import (15func (m main1) isNetlinkPolicy() {16	fmt.Println("isNetlinkPolicy")17}18import (19func (m main1) isNetlinkPolicy() {20	fmt.Println("isNetlinkPolicy")21}22import (23func (m main1) isNetlinkPolicy() {24	fmt.Println("isNetlinkPolicy")25}26import (27func (m main1) isNetlinkPolicy() {28	fmt.Println("isNetlinkPolicy")29}30import (31func (m main1) isNetlinkPolicy() {32	fmt.Println("isNetlinkPolicy")33}34import (35func (m main1) isNetlinkPolicy() {36	fmt.Println("isNetlinkPolicy")37}38import (39func (m main1) isNetlinkPolicy() {40	fmt.Println("isNetlinkPolicy")41}42import (43func (m main1) isNetlinkPolicy() {44	fmt.Println("isNetlinkPolicy")45}46import (47func (m main1) is

isNetlinkPolicy

Using AI Code Generation

1import (2func main() {3	obj := NetlinkPolicy{}4	result := obj.isNetlinkPolicy()5	fmt.Println(result)6}7import (8func main() {9	obj := NetlinkPolicy{}10	result := obj.isNetlinkPolicy()11	fmt.Println(result)12}13import (14func main() {15	obj := NetlinkPolicy{}16	result := obj.isNetlinkPolicy()17	fmt.Println(result)18}19import (20func main() {21	obj := NetlinkPolicy{}22	result := obj.isNetlinkPolicy()23	fmt.Println(result)24}25import (26func main() {27	obj := NetlinkPolicy{}28	result := obj.isNetlinkPolicy()29	fmt.Println(result)30}31import (32func main() {33	obj := NetlinkPolicy{}

isNetlinkPolicy

Using AI Code Generation

1import (2func main() {3	fmt.Println("Package 2")4	fmt.Println("Is Netlink policy:", mainclass.IsNetlinkPolicy())5	fmt.Println("Is Netlink policy:", mainclass.IsNetlinkPolicy())6}

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