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Automation Advisor
Syzkaller
host
isSyzOpenProcfsSupported

How to use isSyzOpenProcfsSupported method of host Package

Best Syzkaller code snippet using host.isSyzOpenProcfsSupported

syscalls_linux.go

Source:syscalls_linux.go

...252	return onlySandboxNoneOrNamespace(sandbox)253}254var syzkallSupport = map[string]func(*prog.Syscall, *prog.Target, string) (bool, string){255	"syz_open_dev":                isSyzOpenDevSupported,256	"syz_open_procfs":             isSyzOpenProcfsSupported,257	"syz_open_pts":                alwaysSupported,258	"syz_execute_func":            alwaysSupported,259	"syz_emit_ethernet":           isNetInjectionSupported,260	"syz_extract_tcp_res":         isNetInjectionSupported,261	"syz_usb_connect":             isSyzUsbSupported,262	"syz_usb_connect_ath9k":       isSyzUsbSupported,263	"syz_usb_disconnect":          isSyzUsbSupported,264	"syz_usb_control_io":          isSyzUsbSupported,265	"syz_usb_ep_write":            isSyzUsbSupported,266	"syz_usb_ep_read":             isSyzUsbSupported,267	"syz_kvm_setup_cpu":           isSyzKvmSetupCPUSupported,268	"syz_emit_vhci":               isVhciInjectionSupported,269	"syz_init_net_socket":         isSyzInitNetSocketSupported,270	"syz_genetlink_get_family_id": isSyzGenetlinkGetFamilyIDSupported,271	"syz_mount_image":             isSyzMountImageSupported,272	"syz_read_part_table":         isSyzReadPartTableSupported,273	"syz_io_uring_submit":         isSyzIoUringSupported,274	"syz_io_uring_complete":       isSyzIoUringSupported,275	"syz_io_uring_setup":          isSyzIoUringSupported,276	// syz_memcpy_off is only used for io_uring descriptions, thus, enable it277	// only if io_uring syscalls are enabled.278	"syz_memcpy_off":         isSyzIoUringSupported,279	"syz_btf_id_by_name":     isBtfVmlinuxSupported,280	"syz_fuse_handle_req":    isSyzFuseSupported,281	"syz_80211_inject_frame": isWifiEmulationSupported,282	"syz_80211_join_ibss":    isWifiEmulationSupported,283	"syz_usbip_server_init":  isSyzUsbIPSupported,284}285func isSupportedSyzkall(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {286	if isSupported, ok := syzkallSupport[c.CallName]; ok {287		return isSupported(c, target, sandbox)288	}289	panic("unknown syzkall: " + c.Name)290}291func isSupportedSyzOpenDev(sandbox string, c *prog.Syscall) (bool, string) {292	if _, ok := c.Args[0].Type.(*prog.ConstType); ok {293		// This is for syz_open_dev$char/block.294		return true, ""295	}296	fname, ok := extractStringConst(c.Args[0].Type)297	if !ok {298		panic("first open arg is not a pointer to string const")299	}300	if strings.Contains(fname, "/dev/raw/raw#") {301		// For syz_open_dev$char_raw, these files don't exist initially.302		return true, ""303	}304	if !strings.Contains(fname, "#") {305		panic(fmt.Sprintf("%v does not contain # in the file name (should be openat)", c.Name))306	}307	if checkUSBEmulation() == "" {308		// These entries might not be available at boot time,309		// but will be created by connected USB devices.310		USBDevicePrefixes := []string{311			"/dev/hidraw", "/dev/usb/hiddev", "/dev/input/",312		}313		for _, prefix := range USBDevicePrefixes {314			if strings.HasPrefix(fname, prefix) {315				return true, ""316			}317		}318	}319	var check func(dev string) bool320	check = func(dev string) bool {321		if !strings.Contains(dev, "#") {322			// Note: don't try to open them all, some can hang (e.g. /dev/snd/pcmC#D#p).323			return osutil.IsExist(dev)324		}325		for i := 0; i < 10; i++ {326			if check(strings.Replace(dev, "#", strconv.Itoa(i), 1)) {327				return true328			}329		}330		return false331	}332	if !check(fname) {333		return false, fmt.Sprintf("file %v does not exist", fname)334	}335	return onlySandboxNoneOrNamespace(sandbox)336}337func isSupportedLSM(c *prog.Syscall) string {338	lsmOnce.Do(func() {339		data, err := ioutil.ReadFile("/sys/kernel/security/lsm")340		if err != nil {341			// securityfs may not be mounted, but it does not mean342			// that no LSMs are enabled.343			if !os.IsNotExist(err) {344				lsmError = err345			}346			return347		}348		lsmDisabled = make(map[string]bool)349		for _, lsm := range []string{"selinux", "apparmor", "smack"} {350			if !strings.Contains(string(data), lsm) {351				lsmDisabled[lsm] = true352			}353		}354	})355	if lsmError != nil {356		return lsmError.Error()357	}358	for lsm := range lsmDisabled {359		if strings.Contains(strings.ToLower(c.Name), lsm) {360			return fmt.Sprintf("LSM %v is not enabled", lsm)361		}362	}363	return ""364}365func onlySandboxNone(sandbox string) (bool, string) {366	if syscall.Getuid() != 0 || sandbox != "none" {367		return false, "only supported under root with sandbox=none"368	}369	return true, ""370}371func onlySandboxNoneOrNamespace(sandbox string) (bool, string) {372	if syscall.Getuid() != 0 || sandbox == "setuid" {373		return false, "only supported under root with sandbox=none/namespace"374	}375	return true, ""376}377func isSupportedSocket(c *prog.Syscall) (bool, string) {378	af, ok := c.Args[0].Type.(*prog.ConstType)379	if !ok {380		panic("socket family is not const")381	}382	fd, err := syscall.Socket(int(af.Val), 0, 0)383	if fd != -1 {384		syscall.Close(fd)385	}386	if err == syscall.ENOSYS {387		return false, "socket syscall returns ENOSYS"388	}389	if err == syscall.EAFNOSUPPORT {390		return false, "socket family is not supported (EAFNOSUPPORT)"391	}392	proto, ok := c.Args[2].Type.(*prog.ConstType)393	if !ok {394		return true, ""395	}396	var typ uint64397	if arg, ok := c.Args[1].Type.(*prog.ConstType); ok {398		typ = arg.Val399	} else if arg, ok := c.Args[1].Type.(*prog.FlagsType); ok {400		typ = arg.Vals[0]401	} else {402		return true, ""403	}404	fd, err = syscall.Socket(int(af.Val), int(typ), int(proto.Val))405	if fd != -1 {406		syscall.Close(fd)407		return true, ""408	}409	return false, err.Error()410}411func isSyzOpenProcfsSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {412	return isSupportedOpenFile(c, 1, nil)413}414func isSupportedOpenAt(c *prog.Syscall) (bool, string) {415	// Attempt to extract flags from the syscall description.416	var modes []int417	if mode, ok := c.Args[2].Type.(*prog.ConstType); ok {418		modes = []int{int(mode.Val)}419	}420	return isSupportedOpenFile(c, 1, modes)421}422func isSupportedOpenFile(c *prog.Syscall, filenameArg int, modes []int) (bool, string) {423	fname, ok := extractStringConst(c.Args[filenameArg].Type)424	if !ok || fname == "" || fname[0] != '/' {425		return true, ""...

isSyzOpenProcfsSupported

Using AI Code Generation

1func isSyzOpenProcfsSupported() bool {2}3func isSyzOpenProcfsSupported() bool {4}5func isSyzOpenProcfsSupported() bool {6}7func isSyzOpenProcfsSupported() bool {8}9func isSyzOpenProcfsSupported() bool {10}11func isSyzOpenProcfsSupported() bool {12}13func isSyzOpenProcfsSupported() bool {14}15func isSyzOpenProcfsSupported() bool {16}17func isSyzOpenProcfsSupported() bool {18}19func isSyzOpenProcfsSupported() bool {20}21func isSyzOpenProcfsSupported() bool {22}23func isSyzOpenProcfsSupported() bool {24}25func isSyzOpenProcfsSupported() bool {26}

isSyzOpenProcfsSupported

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4}5import (6func main() {7	fmt.Println("Hello, playground")8}9import (10func main() {11	fmt.Println("Hello, playground")12}13import (14func main() {15	fmt.Println("Hello, playground")16}17import (18func main() {19	fmt.Println("Hello, playground")20}21import (22func main() {23	fmt.Println("Hello, playground")24}25import (26func main() {27	fmt.Println("Hello, playground")28}29import (30func main() {31	fmt.Println("Hello, playground")32}33import (34func main() {35	fmt.Println("Hello, playground")36}37import (38func main() {39	fmt.Println("Hello, playground")40}41import (42func main() {43	fmt.Println("Hello, playground")44}45import (46func main() {47	fmt.Println("Hello, playground")48}49import (50func main() {51	fmt.Println("Hello, playground")52}53import (54func main() {55	fmt.Println("Hello, playground")56}57import (58func main() {59	fmt.Println("Hello, playground")60}61import (62func main() {63	fmt.Println("Hello, playground")64}65import (66func main() {

isSyzOpenProcfsSupported

Using AI Code Generation

1func (target *Target) IsSyzOpenProcfsSupported() bool {2}3func (target *Target) IsSyzOpenProcfsSupported() bool {4}5func (target *Target) IsSyzOpenProcfsSupported() bool {6}7func (target *Target) IsSyzOpenProcfsSupported() bool {8}9func (target *Target) IsSyzOpenProcfsSupported() bool {10}11func (target *Target) IsSyzOpenProcfsSupported() bool {12}13func (target *Target) IsSyzOpenProcfsSupported() bool {14}15func (target *Target) IsSyzOpenProcfsSupported() bool {16}17func (target *Target) IsSyzOpenProcfsSupported() bool {18}19func (target *Target) IsSyzOpenProcfsSupported() bool {20}

isSyzOpenProcfsSupported

Using AI Code Generation

1import (2func main() {3	h, err := host.Create("localhost", "amd64", "linux", false, "", false)4	if err != nil {5		panic(err)6	}7	fmt.Println(h.isSyzOpenProcfsSupported())8}

isSyzOpenProcfsSupported

Using AI Code Generation

1import (2func main() {3	_, _, _ = syscall.Syscall(syscall.SYS_OPEN, uintptr(unsafe.Pointer(&a[0])), 0, 0)4	fmt.Printf("a: %v5}6import (7func main() {8	_, _, _ = syscall.Syscall(syscall.SYS_OPEN, uintptr(unsafe.Pointer(&a[0])), 0, 0)9	fmt.Printf("a: %v10}11import (

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