fix(decl/syscalls): fix linkat syscall invocation

Signed-off-by: Leonardo Di Giovanna <leonardodigiovanna1@gmail.com>
Co-authored-by: Aldo Lacuku <aldo@lacuku.eu

pkg/test/step/syscall/linkat/linkat.go

@@ -67,7 +67,7 @@ func (l *linkAtSyscall) run(_ context.Context) error {
 	oldPathPtr := unsafe.Pointer(&l.args.OldPath[0])
 	//nolint:gosec // System call invocation requires access to the raw pointer.
 	newPathPtr := unsafe.Pointer(&l.args.NewPath[0])
-	if _, _, err := unix.Syscall6(unix.SYS_OPENAT, uintptr(l.bindOnlyArgs.OldDirFD), uintptr(oldPathPtr),
+	if _, _, err := unix.Syscall6(unix.SYS_LINKAT, uintptr(l.bindOnlyArgs.OldDirFD), uintptr(oldPathPtr),
 		uintptr(l.bindOnlyArgs.NewDirFD), uintptr(newPathPtr), uintptr(l.args.Flags), 0); err != 0 {
 		return err
 	}