diff options
| -rw-r--r-- | babeld/message.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/babeld/message.c b/babeld/message.c index 9a199acb66..6a09e6386b 100644 --- a/babeld/message.c +++ b/babeld/message.c @@ -758,6 +758,10 @@ parse_packet(const unsigned char *from, struct interface *ifp, format_prefix(prefix, plen), format_address(from), ifp->name, format_eui64(message + 8), seqno); + if(message[6] == 0) { + debugf(BABEL_DEBUG_COMMON, "Received request with invalid hop count 0"); + goto done; + } handle_request(neigh, prefix, plen, message[6], seqno, message + 8); } else { debugf(BABEL_DEBUG_COMMON,"Received unknown packet type %d from %s on %s.", |