[LTP] [PATCH v1 1/1] keyctl05: improve the dns_res_payload for boundary testing

[Petr Vorel]

Hi Xu, all,

fix will be backported to stable series: 6.7, 6.6, 6.1, 5.15 and 5.10,
it's not applicable to 4.19 and 5.4 stable).

Therefore merged. Thanks!

Kind regards,
Petr