=== FIXED (#1) 100000-iteration stress — single-fix kernel ===
100k FIXED-kernel iters: ok=0 EINVAL=0 EAFNOSUPPORT=100000 EHOSTUNREACH=0 other=0
(every iteration returns EAFNOSUPPORT from the new sa_len check in rip6_send;
the OOB read at raw_ip6.c:743 is never reached.)