How to use isSupportedSyzOpenDev method of host Package

Best Syzkaller code snippet using host.isSupportedSyzOpenDev

syscalls_linux.go

Source:syscalls_linux.go

...154// Splitting this per-syscall will only increase code size.155func isSupportedSyzkall(sandbox string, c *prog.Syscall) (bool, string) {156	switch c.CallName {157	case "syz_open_dev":158		return isSupportedSyzOpenDev(sandbox, c)159	case "syz_open_procfs":160		return true, ""161	case "syz_open_pts":162		return true, ""163	case "syz_emit_ethernet", "syz_extract_tcp_res":164		reason := checkNetInjection()165		return reason == "", reason166	case "syz_usb_connect", "syz_usb_connect_ath9k", "syz_usb_disconnect",167		"syz_usb_control_io", "syz_usb_ep_write", "syz_usb_ep_read":168		reason := checkUSBEmulation()169		return reason == "", reason170	case "syz_kvm_setup_cpu":171		switch c.Name {172		case "syz_kvm_setup_cpu$x86":173			if runtime.GOARCH == "amd64" || runtime.GOARCH == "386" {174				return true, ""175			}176		case "syz_kvm_setup_cpu$arm64":177			if runtime.GOARCH == "arm64" {178				return true, ""179			}180		}181		return false, "unsupported arch"182	case "syz_init_net_socket":183		// Unfortunately this only works with sandbox none at the moment.184		// The problem is that setns of a network namespace requires CAP_SYS_ADMIN185		// in the target namespace, and we've lost all privs in the init namespace186		// during creation of a user namespace.187		if ok, reason := onlySandboxNone(sandbox); !ok {188			return false, reason189		}190		return isSupportedSocket(c)191	case "syz_genetlink_get_family_id":192		fd, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW, syscall.NETLINK_GENERIC)193		if fd == -1 {194			return false, fmt.Sprintf("socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed: %v", err)195		}196		syscall.Close(fd)197		return true, ""198	case "syz_mount_image":199		if ok, reason := onlySandboxNone(sandbox); !ok {200			return ok, reason201		}202		fstype, ok := extractStringConst(c.Args[0].Type)203		if !ok {204			panic("syz_mount_image arg is not string")205		}206		return isSupportedFilesystem(fstype)207	case "syz_read_part_table":208		return onlySandboxNone(sandbox)209	case "syz_execute_func":210		return true, ""211	}212	panic("unknown syzkall: " + c.Name)213}214func isSupportedSyzOpenDev(sandbox string, c *prog.Syscall) (bool, string) {215	if _, ok := c.Args[0].Type.(*prog.ConstType); ok {216		// This is for syz_open_dev$char/block.217		return true, ""218	}219	fname, ok := extractStringConst(c.Args[0].Type)220	if !ok {221		panic("first open arg is not a pointer to string const")222	}223	if !strings.Contains(fname, "#") {224		panic(fmt.Sprintf("%v does not contain # in the file name (should be openat)", c.Name))225	}226	if checkUSBEmulation() == "" {227		// These entries might not be available at boot time,228		// but will be created by connected USB devices....

isSupportedSyzOpenDev

Using AI Code Generation

1import "host"2func main() {3    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0p") {4    }5}6import "host"7func main() {8    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0c") {9    }10}11import "host"12func main() {13    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0p") {14    }15}16import "host"17func main() {18    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0c") {19    }20}21import "host"22func main() {23    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0p") {24    }25}26import "host"27func main() {28    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0c") {29    }30}31import "host"32func main() {33    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0p") {34    }35}36import "host"37func main() {38    if host.isSupportedSyzOpenDev("/dev/snd/pcmC0D0c") {39    }40}41import "host"42func main() {43    if host.isSupportedSyzOpenDev("/

isSupportedSyzOpenDev

Using AI Code Generation

1func main() {2    h := host.Kernel()3    if h.isSupportedSyzOpenDev() {4        fmt.Println("Supported")5    } else {6        fmt.Println("Not Supported")7    }8}

isSupportedSyzOpenDev

Using AI Code Generation

1import (2func main() {3	fd, err := syscall.Openat(syscall.AT_FDCWD, "/dev/urandom", syscall.O_RDONLY, 0)4	if err != nil {5		fmt.Println("Error opening file:", err)6	}7	fmt.Println("fd:", fd)8}9import (10func main() {11	fd, err := syscall.Syz_open_dev("urandom", syscall.O_RDONLY, 0)12	if err != nil {13		fmt.Println("Error opening file:", err)14	}15	fmt.Println("fd:", fd)16}

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