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| // Copyright 2015 syzkaller project authors. All rights reserved.
| // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
|
| // +build linux
|
| package host
|
| import (
| "runtime"
| "syscall"
| "testing"
|
| "github.com/google/syzkaller/prog"
| )
|
| func TestSupportedSyscalls(t *testing.T) {
| t.Parallel()
| target, err := prog.GetTarget("linux", runtime.GOARCH)
| if err != nil {
| t.Fatal(err)
| }
| supp, _, err := DetectSupportedSyscalls(target, "none")
| if err != nil {
| t.Skipf("skipping: %v", err)
| }
| // These are safe to execute with invalid arguments.
| safe := []string{
| "memfd_create",
| "sendfile",
| "bpf$MAP_CREATE",
| "open",
| "openat",
| "read",
| "write",
| "stat",
| }
| for _, name := range safe {
| c := target.SyscallMap[name]
| if c == nil {
| t.Fatalf("can't find syscall '%v'", name)
| }
| a := ^uintptr(0) - 4097 // hopefully invalid
| _, _, err := syscall.Syscall6(uintptr(c.NR), a, a, a, a, a, a)
| if err == 0 {
| t.Fatalf("%v did not fail", name)
| }
| if ok := err != syscall.ENOSYS; ok != supp[c] {
| t.Fatalf("syscall %v: perse=%v kallsyms=%v", name, ok, supp[c])
| }
| }
| }
|
|
