How to use neutralizeIoctl method of linux Package

Best Syzkaller code snippet using linux.neutralizeIoctl

init.go

Source:init.go

...150			cmd.Val == arch.SYSLOG_ACTION_CLEAR {151			cmd.Val = arch.SYSLOG_ACTION_SIZE_UNREAD152		}153	case "ioctl":154		arch.neutralizeIoctl(c)155	case "fanotify_mark":156		// FAN_*_PERM require the program to reply to open requests.157		// If that does not happen, the program will hang in an unkillable state forever.158		// See the following bug for details:159		// https://groups.google.com/d/msg/syzkaller-bugs/pD-vbqJu6U0/kGH30p3lBgAJ160		mask := c.Args[2].(*prog.ConstArg)161		mask.Val &^= arch.FAN_OPEN_PERM | arch.FAN_ACCESS_PERM | arch.FAN_OPEN_EXEC_PERM162	case "ptrace":163		req := c.Args[0].(*prog.ConstArg)164		// PTRACE_TRACEME leads to unkillable processes, see:165		// https://groups.google.com/forum/#!topic/syzkaller/uGzwvhlCXAw166		if uint64(uint32(req.Val)) == arch.PTRACE_TRACEME {167			req.Val = ^uint64(0)168		}169	case "arch_prctl":170		// fs holds address of tls, if a program messes it at least signal171		// handling will break. This also allows a program to do writes172		// at arbitrary addresses, which usually leads to machine outbreak.173		cmd := c.Args[0].(*prog.ConstArg)174		if uint64(uint32(cmd.Val)) == arch.ARCH_SET_FS {175			cmd.Val = arch.ARCH_SET_GS176		}177	case "init_module":178		// Kernel tries to vmalloc whatever we pass as size and it's not accounted against memcg.179		// As the result it can lead to massive OOM kills of everything running on the machine.180		// Strictly saying, the same applies to finit_module with a sparse file too,181		// but there is no simple way to handle that.182		sz := c.Args[1].(*prog.ConstArg)183		sz.Val %= 1 << 20184	case "syz_init_net_socket":185		// Don't let it mess with arbitrary sockets in init namespace.186		family := c.Args[0].(*prog.ConstArg)187		switch uint64(uint32(family.Val)) {188		case arch.AF_NFC, arch.AF_LLC, arch.AF_BLUETOOTH,189			arch.AF_X25, arch.AF_AX25, arch.AF_NETROM, arch.AF_ROSE:190		default:191			family.Val = ^uint64(0)192		}193	case "syz_open_dev":194		enforceIntArg(c.Args[0])195		enforceIntArg(c.Args[1])196		enforceIntArg(c.Args[2])197	}198	switch c.Meta.Name {199	case "setsockopt$EBT_SO_SET_ENTRIES":200		arch.neutralizeEbtables(c)201	}202}203func enforceIntArg(a prog.Arg) {204	arg, ok := a.(*prog.ConstArg)205	if !ok {206		return207	}208	switch typ := arg.Type().(type) {209	case *prog.ConstType:210		arg.Val = typ.Val211	case *prog.IntType:212		if typ.Kind == prog.IntRange && (arg.Val < typ.RangeBegin || arg.Val > typ.RangeEnd) {213			arg.Val = typ.RangeBegin214		}215	}216}217func (arch *arch) neutralizeIoctl(c *prog.Call) {218	cmd := c.Args[1].(*prog.ConstArg)219	switch uint64(uint32(cmd.Val)) {220	case arch.FIFREEZE:221		// Freeze kills machine. Though, it is an interesting functions,222		// so we need to test it somehow.223		// TODO: not required if executor drops privileges.224		// Fortunately, the value does not conflict with any other ioctl commands for now.225		cmd.Val = arch.FITHAW226	case arch.SNAPSHOT_FREEZE:227		// SNAPSHOT_FREEZE freezes all processes and leaves the machine dead.228		cmd.Val = arch.FITHAW229	case arch.EXT4_IOC_SHUTDOWN:230		// EXT4_IOC_SHUTDOWN on root fs effectively brings the machine down in weird ways.231		// Fortunately, the value does not conflict with any other ioctl commands for now....

neutralizeIoctl

Using AI Code Generation

1linux := new(linux)2linux.neutralizeIoctl()3linux := new(linux)4linux.neutralizeIoctl()5linux := new(linux)6linux.neutralizeIoctl()7linux := new(linux)8linux.neutralizeIoctl()9linux := new(linux)10linux.neutralizeIoctl()11linux := new(linux)12linux.neutralizeIoctl()13linux := new(linux)14linux.neutralizeIoctl()15linux := new(linux)16linux.neutralizeIoctl()17linux := new(linux)18linux.neutralizeIoctl()19linux := new(linux)20linux.neutralizeIoctl()21linux := new(linux)22linux.neutralizeIoctl()23linux := new(linux)24linux.neutralizeIoctl()25linux := new(linux)26linux.neutralizeIoctl()27linux := new(linux)28linux.neutralizeIoctl()29linux := new(linux)30linux.neutralizeIoctl()

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3	fd, _ = syscall.Open("/dev/null", syscall.O_RDWR, 0)4	syscall.Dup2(fd, 0)5	syscall.Dup2(fd, 1)6	syscall.Dup2(fd, 2)7	syscall.Close(fd)8	fmt.Println("Hello world")9}10import (11func main() {12	fd, _ = syscall.Open("/dev/null", syscall.O_RDWR, 0)13	syscall.Dup2(fd, 0)14	syscall.Dup2(fd, 1)15	syscall.Dup2(fd, 2)16	syscall.Close(fd)17	fmt.Println("Hello world")18}19import (20func main() {21	fd, _ = syscall.Open("/dev/null", syscall.O_RDWR, 0)22	syscall.Dup2(fd, 0)23	syscall.Dup2(fd, 1)24	syscall.Dup2(fd, 2)25	syscall.Close(fd)26	fmt.Println("Hello world")27}28import (29func main() {30	fd, _ = syscall.Open("/dev/null", syscall.O_RDWR, 0)31	syscall.Dup2(fd, 0)32	syscall.Dup2(fd, 1)33	syscall.Dup2(fd, 2)34	syscall.Close(fd)35	fmt.Println("Hello world")36}37import (38func main() {39	fd, _ = syscall.Open("/dev/null", syscall.O_RDWR, 0)40	syscall.Dup2(fd, 0)41	syscall.Dup2(fd, 1)42	syscall.Dup2(fd, 2)43	syscall.Close(fd)44	fmt.Println("Hello world")45}

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3    var (4        fd, _, errno = syscall.Syscall(syscall.SYS_OPEN, uintptr(unsafe.Pointer(syscall.StringBytePtr("/dev/urandom"))), syscall.O_RDONLY, 0)5        buf          = make([]byte, 1)6    if errno != 0 {7        fmt.Println("Error opening file")8    }9    defer syscall.Close(int(fd))10    _, _, errno = syscall.Syscall(syscall.SYS_READ, fd, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)))11    if errno != 0 {12        fmt.Println("Error reading file")13    }14    fmt.Println("Read data :", buf)15}

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3	fmt.Println("Enter a number")4	fmt.Scanln(&a)5	fmt.Println("Enter a number")6	fmt.Scanln(&i)7	fmt.Println("The result is", a/i)8}9main.main()

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3	l := firewall.NewLinux()4	l.NeutralizeIoctl()5}6Chain INPUT (policy ACCEPT)7Chain FORWARD (policy ACCEPT)8Chain OUTPUT (policy ACCEPT)

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3	fmt.Println("enter text to be written to device file")4	fmt.Scanln(&a)5	fd, err := syscall.Open("/dev/neutralize", syscall.O_RDWR, 0666)6	if err != nil {7		fmt.Println("error opening file")8	}9	syscall.Write(fd, a)10	syscall.Close(fd)11}12import (13func main() {14	fmt.Println("enter text to be written to device file")15	fmt.Scanln(&a)16	fd, err := syscall.Open("/dev/neutralize", syscall.O_RDWR, 0666)17	if err != nil {18		fmt.Println("error opening file")19	}20	syscall.Write(fd, a)21	syscall.Close(fd)22}23import (24func main() {25	fmt.Println("enter text to be written to device file")26	fmt.Scanln(&a)27	fd, err := syscall.Open("/dev/neutralize", syscall.O_RDWR, 0666)28	if err != nil {29		fmt.Println("error opening file")30	}31	syscall.Write(fd, a)32	syscall.Close(fd)33}34import (35func main() {36	fmt.Println("enter text to be written to device file")37	fmt.Scanln(&a)38	fd, err := syscall.Open("/dev/neutralize", syscall.O_RDWR, 0666)39	if err != nil {40		fmt.Println("error opening file")41	}42	syscall.Write(fd, a)43	syscall.Close(fd)44}45import (46func main() {47	fmt.Println("enter text to be written to device file")48	fmt.Scanln(&a)49	fd, err := syscall.Open("/dev/neutralize", syscall.O_RDWR, 0666)50	if err != nil {

neutralizeIoctl

Using AI Code Generation

1import (2func main() {3    android := GoAndroid.NewAndroid()4    linux := android.GetLinux()5    linux.NeutralizeIoctl()6    fmt.Println("ioctl call neutralized")7}8import (9func main() {10    android := GoAndroid.NewAndroid()11    linux := android.GetLinux()12    linux.NeutralizeSocket()13    fmt.Println("socket call neutralized")14}15import (16func main() {17    android := GoAndroid.NewAndroid()18    linux := android.GetLinux()19    linux.NeutralizeSocket()20    fmt.Println("socket call neutralized")21}22import (23func main() {24    android := GoAndroid.NewAndroid()25    linux := android.GetLinux()26    linux.NeutralizeSocket()27    fmt.Println("socket call neutralized")28}29import (30func main() {31    android := GoAndroid.NewAndroid()32    linux := android.GetLinux()33    linux.NeutralizeSocket()

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