proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-15 09:20:25 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ospfd: catch and report runt LSAs

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ospfd/ospf_packet.c
View File

@ -1716,6 +1716,12 @@ static struct list *ospf_ls_upd_list_lsa(struct ospf_neighbor *nbr,
break; 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. */ /* Validate the LSA's LS checksum. */
sum = lsah->checksum; sum = lsah->checksum;
if (!ospf_lsa_checksum_valid(lsah)) { if (!ospf_lsa_checksum_valid(lsah)) {