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netinet6: prevent a crash on empty ifp
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https://forum.opnsense.org/index.php?topic=27222.0
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@fichtner
fichtner committed Feb 28, 2022
1 parent 267a401 commit 6d44059
Showing 1 changed file with 5 additions and 2 deletions.
7 changes: 5 additions & 2 deletions sys/netinet6/ip6_output.c
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Expand Up @@ -708,8 +708,11 @@ ip6_output(struct mbuf *m0, struct ip6_pktopts *opt,
in6_ifstat_inc(ifp, ifs6_out_discard);
goto bad;
}
if (ifp != NULL)
mtu = ifp->if_mtu;
if (ifp == NULL) {
error = EHOSTUNREACH;
goto bad;
}
mtu = ifp->if_mtu;
}
if (nh == NULL) {
/*
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