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ospfd: catch and report runt LSAs

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Signed-off-by: Lou Berger <lberger@labn.net>
This commit is contained in:
Lou Berger 2022-10-28 16:06:04 +00:00
parent 15c4dd82db
commit 53674eaba6
1 changed files with 6 additions and 0 deletions
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6
ospfd/ospf_packet.c
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@ -1716,6 +1716,12 @@ static struct list *ospf_ls_upd_list_lsa(struct ospf_neighbor *nbr,
break;
}
if (length < OSPF_LSA_HEADER_SIZE) {
flog_warn(EC_OSPF_PACKET,
"Link State Update: LSA length too small.");
break;
}
/* Validate the LSA's LS checksum. */
sum = lsah->checksum;
if (!ospf_lsa_checksum_valid(lsah)) {