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netinet6: work around synchronization issue in dying netgraph device #207

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This commit is contained in:
Franco Fichtner 2025-04-15 15:12:26 +02:00
parent d27208952e
commit 5afe2ee090
1 changed files with 7 additions and 0 deletions
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7
sys/netinet6/ip6_fastfwd.c
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@ -189,8 +189,15 @@ passin:
in6_ifstat_inc(rcvif, ifs6_in_noroute);
goto dropin;
}
/* pick up the next hop result if there is no forward request */
if (!nifp)
nifp = nh->nh_ifp;
/* work around the fact that a netgraph device is dying slowly */
if (nifp->if_afdata_initialized == 0) {
m = NULL;
in6_ifstat_inc(rcvif, ifs6_in_noroute);
goto dropin;
}
mtu = IN6_LINKMTU(nifp);
if (!PFIL_HOOKED_OUT(V_inet6_pfil_head)) {
if (m->m_pkthdr.len > mtu) {