diff options
Diffstat (limited to 'pimd/pim_igmp_mtrace.c')
| -rw-r--r-- | pimd/pim_igmp_mtrace.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pimd/pim_igmp_mtrace.c b/pimd/pim_igmp_mtrace.c index 0758e2f784..695d04c7c2 100644 --- a/pimd/pim_igmp_mtrace.c +++ b/pimd/pim_igmp_mtrace.c @@ -864,6 +864,16 @@ int igmp_mtrace_recv_response(struct igmp_sock *igmp, struct ip *ip_hdr, pim_ifp = ifp->info; pim = pim_ifp->pim; + if (igmp_msg_len < (int)sizeof(struct igmp_mtrace)) { + if (PIM_DEBUG_MTRACE) + zlog_warn( + "Recv mtrace packet from %s on %s: too short," + " len=%d, min=%zu", + from_str, ifp->name, igmp_msg_len, + sizeof(struct igmp_mtrace)); + return -1; + } + mtracep = (struct igmp_mtrace *)igmp_msg; recv_checksum = mtracep->checksum; |