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How to use alwaysSupported method of host Package

Best Syzkaller code snippet using host.alwaysSupported

syscalls_linux.go

Source:syscalls_linux.go

...165func isSyzUsbSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {166	reason := checkUSBEmulation()167	return reason == "", reason168}169func alwaysSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {170	return true, ""171}172func isNetInjectionSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {173	reason := checkNetInjection()174	return reason == "", reason175}176func isVhciInjectionSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {177	reason := checkVhciInjection()178	return reason == "", reason179}180func isWifiEmulationSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {181	reason := checkWifiEmulation()182	return reason == "", reason183}184func isSyzKvmSetupCPUSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {185	switch c.Name {186	case "syz_kvm_setup_cpu$x86":187		if runtime.GOARCH == targets.AMD64 || runtime.GOARCH == targets.I386 {188			return true, ""189		}190	case "syz_kvm_setup_cpu$arm64":191		if runtime.GOARCH == targets.ARM64 {192			return true, ""193		}194	case "syz_kvm_setup_cpu$ppc64":195		if runtime.GOARCH == targets.PPC64LE {196			return true, ""197		}198	}199	return false, "unsupported arch"200}201func isSyzOpenDevSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {202	return isSupportedSyzOpenDev(sandbox, c)203}204func isSyzInitNetSocketSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {205	if ok, reason := onlySandboxNone(sandbox); !ok {206		return false, reason207	}208	return isSupportedSocket(c)209}210func isSyzGenetlinkGetFamilyIDSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {211	fd, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW, syscall.NETLINK_GENERIC)212	if fd == -1 {213		return false, fmt.Sprintf("socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed: %v", err)214	}215	// TODO: try to obtain actual family ID here. It will disable whole sets of sendmsg syscalls.216	syscall.Close(fd)217	return true, ""218}219func isSyzMountImageSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {220	if ok, reason := onlySandboxNone(sandbox); !ok {221		return ok, reason222	}223	fstype, ok := extractStringConst(c.Args[0].Type)224	if !ok {225		panic("syz_mount_image arg is not string")226	}227	return isSupportedFilesystem(fstype)228}229func isSyzReadPartTableSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {230	return onlySandboxNone(sandbox)231}232func isSyzIoUringSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {233	return isSupportedSyscallName("io_uring_setup", target)234}235func isSyzMemcpySupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {236	ret, msg := isSyzIoUringSupported(c, target, sandbox)237	if ret {238		return ret, msg239	}240	return isSyzKvmSetupCPUSupported(c, target, sandbox)241}242func isBtfVmlinuxSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {243	if err := osutil.IsAccessible("/sys/kernel/btf/vmlinux"); err != nil {244		return false, err.Error()245	}246	return onlySandboxNone(sandbox)247}248func isSyzFuseSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {249	if ok, reason := isSupportedFilesystem("fuse"); !ok {250		return ok, reason251	}252	if ok, reason := onlySandboxNoneOrNamespace(sandbox); !ok {253		return false, reason254	}255	return true, ""256}257func isSyzUsbIPSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {258	if err := osutil.IsWritable("/sys/devices/platform/vhci_hcd.0/attach"); err != nil {259		return false, err.Error()260	}261	return onlySandboxNoneOrNamespace(sandbox)262}263var syzkallSupport = map[string]func(*prog.Syscall, *prog.Target, string) (bool, string){264	"syz_open_dev":                isSyzOpenDevSupported,265	"syz_open_procfs":             isSyzOpenProcfsSupported,266	"syz_open_pts":                alwaysSupported,267	"syz_execute_func":            alwaysSupported,268	"syz_emit_ethernet":           isNetInjectionSupported,269	"syz_extract_tcp_res":         isNetInjectionSupported,270	"syz_usb_connect":             isSyzUsbSupported,271	"syz_usb_connect_ath9k":       isSyzUsbSupported,272	"syz_usb_disconnect":          isSyzUsbSupported,273	"syz_usb_control_io":          isSyzUsbSupported,274	"syz_usb_ep_write":            isSyzUsbSupported,275	"syz_usb_ep_read":             isSyzUsbSupported,276	"syz_kvm_setup_cpu":           isSyzKvmSetupCPUSupported,277	"syz_emit_vhci":               isVhciInjectionSupported,278	"syz_init_net_socket":         isSyzInitNetSocketSupported,279	"syz_genetlink_get_family_id": isSyzGenetlinkGetFamilyIDSupported,280	"syz_mount_image":             isSyzMountImageSupported,281	"syz_read_part_table":         isSyzReadPartTableSupported,282	"syz_io_uring_submit":         isSyzIoUringSupported,283	"syz_io_uring_complete":       isSyzIoUringSupported,284	"syz_io_uring_setup":          isSyzIoUringSupported,285	"syz_memcpy_off":              isSyzMemcpySupported,286	"syz_btf_id_by_name":          isBtfVmlinuxSupported,287	"syz_fuse_handle_req":         isSyzFuseSupported,288	"syz_80211_inject_frame":      isWifiEmulationSupported,289	"syz_80211_join_ibss":         isWifiEmulationSupported,290	"syz_usbip_server_init":       isSyzUsbIPSupported,291	"syz_clone":                   alwaysSupported,292	"syz_clone3":                  alwaysSupported,293}294func isSupportedSyzkall(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {295	sysTarget := targets.Get(target.OS, target.Arch)296	for _, depCall := range sysTarget.PseudoSyscallDeps[c.CallName] {297		if ok, reason := isSupportedSyscallName(depCall, target); !ok {298			return ok, reason299		}300	}301	if strings.HasPrefix(c.CallName, "syz_ext_") {302		// Non-mainline pseudo-syscalls in executor/common_ext.h can't have the checking function303		// and are assumed to be unconditionally supported.304		if syzkallSupport[c.CallName] != nil {305			panic("syz_ext_ prefix is reserved for non-mainline pseudo-syscalls")306		}...

alwaysSupported

Using AI Code Generation

1import (2type Args struct {3}4type Quotient struct {5}6func (t *Arith) Multiply(args *Args, reply *int) error {7}8func (t *Arith) Divide(args *Args, quo *Quotient) error {9    if args.B == 0 {10        return fmt.Errorf("divide by zero")11    }12}13func main() {14    arith := new(Arith)15    rpc.Register(arith)16    rpc.HandleHTTP()17    l, e := net.Listen("tcp", ":1234")18    if e != nil {19        log.Fatal("listen error:", e)20    }21    go http.Serve(l, nil)22    client, err := rpc.DialHTTP("tcp", "

alwaysSupported

Using AI Code Generation

1func main() {2    host := new(Host)3    host.AlwaysSupported()4}5func main() {6    host := new(Host)7    host.SupportedOnWindows()8}9func main() {10    host := new(Host)11    host.SupportedOnLinux()12}13func main() {14    host := new(Host)15    host.SupportedOnDarwin()16}17func main() {18    host := new(Host)19    host.SupportedOnFreeBSD()20}21func main() {22    host := new(Host)23    host.SupportedOnNetBSD()24}25func main() {26    host := new(Host)27    host.SupportedOnOpenBSD()28}29func main() {30    host := new(Host)31    host.SupportedOnDragonFly()32}33func main() {34    host := new(Host)35    host.SupportedOnSolaris()36}37func main() {38    host := new(Host)39    host.SupportedOnAIX()40}41func main() {42    host := new(Host)43    host.SupportedOnZOS()44}45func main() {46    host := new(Host)47    host.SupportedOnPlan9()48}49func main() {50    host := new(Host)51    host.SupportedOnIllumos()52}

alwaysSupported

Using AI Code Generation

1func main() {2    host := new(Host)3    host.alwaysSupported()4}5type Host struct {6}7func (h *Host) alwaysSupported() {8    println("always supported")9}

alwaysSupported

Using AI Code Generation

1import (2func alwaysSupported() bool3func main() {4	fmt.Println("Always supported: ", alwaysSupported())5}6import (7func alwaysSupported() bool8func main() {9	fmt.Println("Always supported: ", alwaysSupported())10}11import (12func alwaysSupported() bool13func main() {14	fmt.Println("Always supported: ", alwaysSupported())15}16import (17func alwaysSupported() bool18func main() {19	fmt.Println("Always supported: ", alwaysSupported())20}21import (22func alwaysSupported() bool23func main() {24	fmt.Println("Always supported: ", alwaysSupported())25}26import (27func alwaysSupported() bool28func main() {29	fmt.Println("Always supported: ", alwaysSupported())30}31import (32func alwaysSupported() bool33func main() {34	fmt.Println("Always supported: ", alwaysSupported())35}36import (37func alwaysSupported() bool38func main() {39	fmt.Println("Always supported: ", alwaysSupported())40}

alwaysSupported

Using AI Code Generation

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

alwaysSupported

Using AI Code Generation

1import "fmt"2func main() {3    host = &HostImpl{}4    host.alwaysSupported()5}6import "fmt"7type Host interface {8    alwaysSupported()9}10type HostImpl struct {11}12func (h *HostImpl) alwaysSupported() {13    fmt.Println("Always supported")14}15type HostImpl2 struct {16}17func (h *HostImpl2) alwaysSupported() {18    fmt.Println("Always supported")19}20func main() {21    host = &HostImpl2{}22    host.alwaysSupported()23}

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