How to use checkVhciInjection method of host Package

Best Syzkaller code snippet using host.checkVhciInjection

features_linux.go

Source:features_linux.go

...23	checkFeature[FeatureNetDevices] = unconditionallyEnabled24	checkFeature[FeatureKCSAN] = checkKCSAN25	checkFeature[FeatureDevlinkPCI] = checkDevlinkPCI26	checkFeature[FeatureUSBEmulation] = checkUSBEmulation27	checkFeature[FeatureVhciInjection] = checkVhciInjection28}29func checkCoverage() string {30	if reason := checkDebugFS(); reason != "" {31		return reason32	}33	if !osutil.IsExist("/sys/kernel/debug/kcov") {34		return "CONFIG_KCOV is not enabled"35	}36	if err := osutil.IsAccessible("/sys/kernel/debug/kcov"); err != nil {37		return err.Error()38	}39	return ""40}41func checkComparisons() (reason string) {42	return checkCoverageFeature(FeatureComparisons)43}44func checkExtraCoverage() (reason string) {45	return checkCoverageFeature(FeatureExtraCoverage)46}47func checkCoverageFeature(feature int) (reason string) {48	if reason = checkDebugFS(); reason != "" {49		return reason50	}51	// TODO(dvyukov): this should run under target arch.52	// E.g. KCOV ioctls were initially not supported on 386 (missing compat_ioctl),53	// and a 386 executor won't be able to use them, but an amd64 fuzzer will be.54	fd, err := syscall.Open("/sys/kernel/debug/kcov", syscall.O_RDWR, 0)55	if err != nil {56		return "CONFIG_KCOV is not enabled"57	}58	defer syscall.Close(fd)59	// Trigger host target lazy initialization, it will fill linux.KCOV_INIT_TRACE.60	// It's all wrong and needs to be refactored.61	if _, err := prog.GetTarget(runtime.GOOS, runtime.GOARCH); err != nil {62		return fmt.Sprintf("failed to get target: %v", err)63	}64	coverSize := uintptr(64 << 10)65	_, _, errno := syscall.Syscall(66		syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_INIT_TRACE, coverSize)67	if errno != 0 {68		return fmt.Sprintf("ioctl(KCOV_INIT_TRACE) failed: %v", errno)69	}70	mem, err := syscall.Mmap(fd, 0, int(coverSize*unsafe.Sizeof(uintptr(0))),71		syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED)72	if err != nil {73		return fmt.Sprintf("KCOV mmap failed: %v", err)74	}75	defer func() {76		if err := syscall.Munmap(mem); err != nil {77			reason = fmt.Sprintf("munmap failed: %v", err)78		}79	}()80	switch feature {81	case FeatureComparisons:82		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,83			uintptr(fd), linux.KCOV_ENABLE, linux.KCOV_TRACE_CMP)84		if errno != 0 {85			if errno == 524 { // ENOTSUPP86				return "CONFIG_KCOV_ENABLE_COMPARISONS is not enabled"87			}88			return fmt.Sprintf("ioctl(KCOV_TRACE_CMP) failed: %v", errno)89		}90	case FeatureExtraCoverage:91		arg := KcovRemoteArg{92			TraceMode:    uint32(linux.KCOV_TRACE_PC),93			AreaSize:     uint32(coverSize * unsafe.Sizeof(uintptr(0))),94			NumHandles:   0,95			CommonHandle: 0,96		}97		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL,98			uintptr(fd), linux.KCOV_REMOTE_ENABLE, uintptr(unsafe.Pointer(&arg)))99		if errno != 0 {100			if errno == 25 { // ENOTTY101				return "extra coverage is not supported by the kernel"102			}103			return fmt.Sprintf("ioctl(KCOV_REMOTE_ENABLE) failed: %v", errno)104		}105	default:106		panic("unknown feature in checkCoverageFeature")107	}108	defer func() {109		_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.KCOV_DISABLE, 0)110		if errno != 0 {111			reason = fmt.Sprintf("ioctl(KCOV_DISABLE) failed: %v", errno)112		}113	}()114	return ""115}116type KcovRemoteArg struct {117	TraceMode    uint32118	AreaSize     uint32119	NumHandles   uint32120	CommonHandle uint64121	// Handles []uint64 goes here.122}123func checkFault() string {124	if err := osutil.IsAccessible("/proc/self/make-it-fail"); err != nil {125		return "CONFIG_FAULT_INJECTION is not enabled"126	}127	if err := osutil.IsAccessible("/proc/thread-self/fail-nth"); err != nil {128		return "kernel does not have systematic fault injection support"129	}130	if reason := checkDebugFS(); reason != "" {131		return reason132	}133	if err := osutil.IsAccessible("/sys/kernel/debug/failslab/ignore-gfp-wait"); err != nil {134		return "CONFIG_FAULT_INJECTION_DEBUG_FS or CONFIG_FAILSLAB are not enabled"135	}136	return ""137}138func checkLeak() string {139	if reason := checkDebugFS(); reason != "" {140		return reason141	}142	fd, err := syscall.Open("/sys/kernel/debug/kmemleak", syscall.O_RDWR, 0)143	if err != nil {144		return "CONFIG_DEBUG_KMEMLEAK is not enabled"145	}146	defer syscall.Close(fd)147	if _, err := syscall.Write(fd, []byte("scan=off")); err != nil {148		if err == syscall.EBUSY {149			return "KMEMLEAK disabled: increase CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE or unset CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF"150		}151		return fmt.Sprintf("/sys/kernel/debug/kmemleak write failed: %v", err)152	}153	return ""154}155func checkSandboxNamespace() string {156	if err := osutil.IsAccessible("/proc/self/ns/user"); err != nil {157		return err.Error()158	}159	return ""160}161func checkSandboxAndroid() string {162	if err := osutil.IsAccessible("/sys/fs/selinux/policy"); err != nil {163		return err.Error()164	}165	return ""166}167func checkNetInjection() string {168	if err := osutil.IsAccessible("/dev/net/tun"); err != nil {169		return err.Error()170	}171	return ""172}173func checkUSBEmulation() string {174	if err := osutil.IsAccessible("/dev/raw-gadget"); err != nil {175		return err.Error()176	}177	return ""178}179func checkVhciInjection() string {180	if err := osutil.IsAccessible("/dev/vhci"); err != nil {181		return err.Error()182	}183	return ""184}185func checkDebugFS() string {186	if err := osutil.IsAccessible("/sys/kernel/debug"); err != nil {187		return "debugfs is not enabled or not mounted"188	}189	return ""190}191func checkKCSAN() string {192	if err := osutil.IsAccessible("/sys/kernel/debug/kcsan"); err != nil {193		return err.Error()...

checkVhciInjection

Using AI Code Generation

1import (2func main() {3	u, err := soap.ParseURL(os.Args[1])4	if err != nil {5		log.Fatal(err)6	}7	u.User = url.UserPassword(os.Args[2], os.Args[3])8	c, err := govmomi.NewClient(u, true)9	if err != nil {10		log.Fatal(err)11	}12	f := find.NewFinder(c.Client, true)13	dc, err := f.DefaultDatacenter()14	if err != nil {15		log.Fatal(err)16	}17	f.SetDatacenter(dc)18	f = find.NewFinder(c.Client, true)19	dc, err = f.DefaultDatacenter()20	if err != nil {21		log.Fatal(err)22	}23	f.SetDatacenter(dc)24	vm, err := f.VirtualMachine(c.Context, os.Args[4])25	if err != nil {26		log.Fatal(err)27	}28	hs, err := vm.HostSystem(c.Context)29	if err != nil {30		log.Fatal(err)31	}32	err = hs.Properties(c.Context, hs.Reference(), []string{"hardware"}, &hw)33	if err != nil {34		log.Fatal(err)35	}36	err = hs.Properties(c.Context, hs.NetworkSystem(c.Context), []string{"networkInfo.vnic"}, &n)37	if err != nil {38		log.Fatal(err)39	}40	fmt.Println("VM: ", vm.Name(), " is running on host: ",

checkVhciInjection

Using AI Code Generation

1import (2func main() {3	if err != nil {4		fmt.Println(err)5		os.Exit(1)6	}7	ctx := context.Background()8	c, err := govmomi.NewClient(ctx, u, true)9	if err != nil {10		fmt.Println(err)11		os.Exit(1)12	}13	f := find.NewFinder(c.Client, true)14	dc, err := f.DefaultDatacenter(ctx)15	if err != nil {16		fmt.Println(err)17		os.Exit(1)18	}19	f.SetDatacenter(dc)20	hosts, err := f.HostSystemList(ctx, "*")21	if err != nil {22		fmt.Println(err)23		os.Exit(1)24	}25	for _, host := range hosts {26		if host.Summary.Runtime.ConnectionState == "connected" {27			if host.Summary.Runtime.InMaintenanceMode == false {28				if host.Parent.Type == "ClusterComputeResource" {29					if strings.Contains(host.Parent.Value, "domain-c") {30						if strings.Contains(host.Parent.Value, "domain-c") {31							if strings.Contains(host.Parent.Value, "domain-c") {32								if strings.Contains(host.Parent.Value, "domain-c") {33									if strings.Contains(host.Parent.Value, "domain-c") {34										if strings.Contains(host.Parent.Value, "domain-c") {35											if strings.Contains(host.Parent.Value, "domain-c") {36												if strings.Contains(host.Parent.Value, "domain-c") {

checkVhciInjection

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5	}6	c, err := govmomi.NewClient(context.Background(), u, true)7	if err != nil {8		log.Fatal(err)9	}10	f := find.NewFinder(c.Client, true)11	dc, err := f.DefaultDatacenter(context.Background())12	if err != nil {13		log.Fatal(err)14	}15	f.SetDatacenter(dc)16	vms, err := f.VirtualMachineList(context.Background(), "*")17	if err != nil {18		log.Fatal(err)19	}20	if len(vms) == 0 {21		log.Fatal("Virtual machine not found")22	}23	fmt.Printf("Using VM: %s24	err = vm.Properties(context.Background(), vm.Reference(), []string{"runtime.host"}, &hostSystem)25	if err != nil {26		log.Fatal(err)27	}28	hostRef := types.ManagedObjectReference{29	}30	host, err := f.ObjectReference(context.Background(), hostRef)31	if err != nil {32		log.Fatal(err)33	}34	err = host.Properties(context.Background(), host.Reference(), []string{"name"}, &hostName)35	if err != nil {36		log.Fatal(err)37	}38	fmt.Printf("Using host: %s39	hostSystemObj := host.(*govmomi.HostSystem)

checkVhciInjection

Using AI Code Generation

1import (2func main() {3	ctx, cancel := context.WithCancel(context.Background())4	defer cancel()5	c, err := govmomi.NewClient(ctx, os.Args[1], true)6	if err != nil {7		fmt.Println(err)8	}9	finder := find.NewFinder(c.Client, true)10	dc, err := finder.Datacenter(ctx, os.Args[2])11	if err != nil {12		fmt.Println(err)13	}14	finder.SetDatacenter(dc)15	host, err := finder.HostSystem(ctx, os.Args[3])16	if err != nil {17		fmt.Println(err)18	}19	hostConfig, err := host.Config(ctx)20	if err != nil {21		fmt.Println(err)22	}23	hostNetworkSystem := hostConfigManagerNetworkSystem.(*types.HostNetworkSystem)24	hostVSwitchSpec := types.HostVirtualSwitchSpec{25	}26	hostVSwitchSpecPolicy := types.HostNetworkPolicy{27		NicTeaming: &types.HostNicTeamingPolicy{28			ReversePolicy: &types.BoolPolicy{29			},30			NotifySwitches: &types.BoolPolicy{31			},32			Failback: &types.BoolPolicy{33			},34			FailoverOrder: &types.HostNicOrderPolicy{

checkVhciInjection

Using AI Code Generation

1import (2func main() {3	ctx, cancel := context.WithCancel(context.Background())4	defer cancel()5	var (6	if len(os.Args) != 2 {7		log.Fatal("Usage: govc host.checkVhciInjection [host]")8	}9	u, err = soap.ParseURL(os.Args[1])10	if err != nil {11		log.Fatal(err)12	}13	u.User = url.UserPassword("administrator", "VMware1!")14	c, err := govmomi.NewClient(ctx, u, insecure)15	if err != nil {16		log.Fatal(err)17	}18	f := find.NewFinder(c.Client, true)19	host, err := f.DefaultHostSystem(ctx)20	if err != nil {21		log.Fatal(err)22	}23	hostSystem := host.Reference()24	res, err := host.CheckVhciInjection(ctx, hostSystem1)25	if err != nil {26		fmt.Println(err)27	}28	fmt.Println(strings.Join(res, "29}

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