diff options
Diffstat (limited to 'pimd/pim_pim.c')
| -rw-r--r-- | pimd/pim_pim.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pimd/pim_pim.c b/pimd/pim_pim.c index cd2d306f3d..342c0a74e0 100644 --- a/pimd/pim_pim.c +++ b/pimd/pim_pim.c @@ -190,6 +190,12 @@ int pim_pim_packet(struct interface *ifp, uint8_t *buf, size_t len) no_fwd = header->Nbit; if (header->type == PIM_MSG_TYPE_REGISTER) { + if (pim_msg_len < PIM_MSG_REGISTER_LEN) { + if (PIM_DEBUG_PIM_PACKETS) + zlog_debug("PIM Register Message size=%d shorther than min length %d", + pim_msg_len, PIM_MSG_REGISTER_LEN); + return -1; + } /* First 8 byte header checksum */ checksum = in_cksum(pim_msg, PIM_MSG_REGISTER_LEN); if (checksum != pim_checksum) { |