MAX_RTHDR0_SEGMENTS
rtout->ip6r0_len > MAX_RTHDR0_SEGMENTS * 2 ||
rtin->ip6r0_len > MAX_RTHDR0_SEGMENTS * 2 ||
if (rthdr->ip6r0_len > MAX_RTHDR0_SEGMENTS * 2) {
segments > MAX_RTHDR0_SEGMENTS)
segments > MAX_RTHDR0_SEGMENTS)