How to use isBtfVmlinuxSupported method of host Package

Best Syzkaller code snippet using host.isBtfVmlinuxSupported

syscalls_linux.go

Source:syscalls_linux.go

...221		return false, fmt.Sprintf("sys_%v is not present in the target", ioUringSyscallName)222	}223	return isSupportedSyscall(ioUringSyscall, target)224}225func isBtfVmlinuxSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {226	if err := osutil.IsAccessible("/sys/kernel/btf/vmlinux"); err != nil {227		return false, err.Error()228	}229	return onlySandboxNone(sandbox)230}231func isSyzFuseSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {232	if ok, reason := isSupportedFilesystem("fuse"); !ok {233		return ok, reason234	}235	if ok, reason := onlySandboxNoneOrNamespace(sandbox); !ok {236		return false, reason237	}238	return true, ""239}240var syzkallSupport = map[string]func(*prog.Syscall, *prog.Target, string) (bool, string){241	"syz_open_dev":                isSyzOpenDevSupported,242	"syz_open_procfs":             alwaysSupported,243	"syz_open_pts":                alwaysSupported,244	"syz_execute_func":            alwaysSupported,245	"syz_emit_ethernet":           isNetInjectionSupported,246	"syz_extract_tcp_res":         isNetInjectionSupported,247	"syz_usb_connect":             isSyzUsbSupported,248	"syz_usb_connect_ath9k":       isSyzUsbSupported,249	"syz_usb_disconnect":          isSyzUsbSupported,250	"syz_usb_control_io":          isSyzUsbSupported,251	"syz_usb_ep_write":            isSyzUsbSupported,252	"syz_usb_ep_read":             isSyzUsbSupported,253	"syz_kvm_setup_cpu":           isSyzKvmSetupCPUSupported,254	"syz_emit_vhci":               isVhciInjectionSupported,255	"syz_init_net_socket":         isSyzInitNetSocketSupported,256	"syz_genetlink_get_family_id": isSyzGenetlinkGetFamilyIDSupported,257	"syz_mount_image":             isSyzMountImageSupported,258	"syz_read_part_table":         isSyzReadPartTableSupported,259	"syz_io_uring_submit":         isSyzIoUringSupported,260	"syz_io_uring_complete":       isSyzIoUringSupported,261	"syz_io_uring_setup":          isSyzIoUringSupported,262	// syz_memcpy_off is only used for io_uring descriptions, thus, enable it263	// only if io_uring syscalls are enabled.264	"syz_memcpy_off":      isSyzIoUringSupported,265	"syz_btf_id_by_name":  isBtfVmlinuxSupported,266	"syz_fuse_handle_req": isSyzFuseSupported,267}268func isSupportedSyzkall(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {269	if isSupported, ok := syzkallSupport[c.CallName]; ok {270		return isSupported(c, target, sandbox)271	}272	panic("unknown syzkall: " + c.Name)273}274func isSupportedSyzOpenDev(sandbox string, c *prog.Syscall) (bool, string) {275	if _, ok := c.Args[0].Type.(*prog.ConstType); ok {276		// This is for syz_open_dev$char/block.277		return true, ""278	}279	fname, ok := extractStringConst(c.Args[0].Type)...

isBtfVmlinuxSupported

Using AI Code Generation

1import (2func main() {3	host, err := ebpf.CurrentKernelConfig()4	if err != nil {5		fmt.Printf("error: %v6	}7	fmt.Printf("BTF is supported by vmlinux: %v8", host.IsBtfVmlinuxSupported())9}

isBtfVmlinuxSupported

Using AI Code Generation

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

isBtfVmlinuxSupported

Using AI Code Generation

1import (2func main() {3	host := link.NewHost()4	if host.IsBtfVmlinuxSupported() {5		fmt.Println("BTF VMLINUX is supported")6	} else {7		fmt.Println("BTF VMLINUX is not supported")8	}9}10import (11func main() {12	host := link.NewHost()13	prog, _ := ebpf.NewProgram(&ebpf.ProgramSpec{14		Instructions: ebpf.Instructions{15			ebpf.LoadImm(ebpf.R0, 0, ebpf.DWord),16			ebpf.Return(),17		},18	})19	if prog != nil {20		attach, _ := host.AttachTracepoint("syscalls", "sys_enter_open", prog)21		if attach != nil {22			fmt.Println("Successfully attached")23		} else {24			fmt.Println("Failed to attach")25		}26	}27}28import (29func main() {30	host := link.NewHost()31	prog, _ := ebpf.NewProgram(&ebpf.ProgramSpec{32		Instructions: ebpf.Instructions{33			ebpf.LoadImm(ebpf.R0, 0, ebpf.DWord),34			ebpf.Return(),35		},36	})37	if prog != nil {38		attach, _ := host.AttachRawTracepoint("sys_enter_open", prog)39		if attach != nil {40			fmt.Println("Successfully attached")41		} else {42			fmt.Println("Failed to attach")43		}44	}45}

isBtfVmlinuxSupported

Using AI Code Generation

1import (2func main() {3	host, err := ebpf.NewHost()4	if err != nil {5		fmt.Println("error creating new host: ", err)6	}7	fmt.Println("Is BTF VMLinux supported: ", host.IsBtfVmlinuxSupported())8}

isBtfVmlinuxSupported

Using AI Code Generation

1import (2func main() {3	err := host.Init()4	if err != nil {5		fmt.Println("Error in host init")6	}7	ret := host.IsBtfVmlinuxSupported()8	fmt.Println("IsBtfVmlinuxSupported: ", ret)9}

isBtfVmlinuxSupported

Using AI Code Generation

1import (2func main() {3	host, err := ebpf.CurrentKernelConfig()4	if err != nil {5		fmt.Printf("error getting host info: %v6	}7	if !host.IsBtfVmlinuxSupported() {8		fmt.Printf("BTF is not supported by the kernel9	}10	btfInfo, err := host.BTFInfo()11	if err != nil {12		fmt.Printf("error getting BTF info: %v

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