Comment 6 for bug 1794702

while encoding the above route there was a buffer overrun.

(gdb) p sizeof(data_)
$13 = 4096
(gdb) p datalen_
$3 = 4511
(gdb)
(gdb) p data_
$2 = "<?xml version=\"1.0\"?>\n<iq type=\"set\" from=\"pop296b-compute0.snow.rennes.lab\" to=\"<email address hidden>/bgp-peer\" id=\"pubsub16728\">\n<pubsub xmlns=\"http://jabber.org/protocol/pubsub\">\n<publish node=\"1/1/default-domain:GEN-TNT-INTERNET:GEN-VRF-INTERNET:GEN-VRF-INTERNET/100.64.0.20/32\">\n<item>\n<entry>\n<nlri>\n<af>1</af>\n<safi>1</safi>\n<address>100.64.0.20/32</address>\n</nlri>\n<next-hops>\n<next-hop>\n<af>1</af>\n<address>198.19.56.212</address>\n<mac></mac>\n<label>78</label>\n<vni>0</vni>\n<tunnel-encapsulation-list>\n<tunnel-encapsulation>gre</tunnel-encapsulation>\n<tunnel-encapsulation>udp</tunnel-encapsulation>\n</tunnel-encapsulation-list>\n<virtual-network>default-domain:GEN-TNT-INTERNET:GEN-VRF-INTERNET</virtual-network>\n<tag-list />\n</next-hop>\n</next-hops>\n<version>1</version>\n<virtual-network></virtual-network>\n<mobility seqno=\"0\" sticky=\"false\" />\n<sequence-number>0</sequence-number>\n<security-group-list />\n<community-tag-list>\n<community-tag>no-reoriginate</community-tag>\n<community-tag>999:10001</community-tag>\n<community-tag>999:10002</community-tag>\n<community-tag>999:10003</community-tag>\n<community-tag>999:10004</community-tag>\n<community-tag>999:10005</community-tag>\n<community-tag>999:10006</community-tag>\n<community-tag>999:10007</community-tag>\n<community-tag>999:10008</community-tag>\n<community-tag>999:10009</community-tag>\n<community-tag>999:10010</community-tag>\n<community-tag>999:10011</community-tag>\n<community-tag>999:10012</community-tag>\n<community-tag>999:10013</community-tag>\n<community-tag>999:10014</community-tag>\n<community-tag>999:10015</community-tag>\n<community-tag>999:10016</community-tag>\n<community-tag>999:10017</community-tag>\n<community-tag>999:10018</community-tag>\n<community-tag>999:10019</community-tag>\n<community-tag>999:10020</community-tag>\n<community-tag>999:10021</community-tag>\n<community-tag>999:10022</community-tag>\n<community-tag>999:10023</community-tag>\n<community-tag>999:10024</community-tag>\n<community-tag>999:10025</community-tag>\n<community-tag>999:10026</community-tag>\n<community-tag>999:10027</community-tag>\n<community-tag>999:10028</community-tag>\n<community-tag>999:10029</community-tag>\n<community-tag>999:10030</community-tag>\n<community-tag>999:10031</community-tag>\n<community-tag>999:10032</community-tag>\n<community-tag>999:10033</community-tag>\n<community-tag>999:10034</community-tag>\n<community-tag>999:10035</community-tag>\n<community-tag>999:10036</community-tag>\n<community-tag>999:10037</community-tag>\n<community-tag>999:10038</community-tag>\n<community-tag>999:10039</community-tag>\n<community-tag>999:10040</community-tag>\n<community-tag>999:10041</community-tag>\n<community-tag>999:10042</community-tag>\n<community-tag>999:10043</community-tag>\n<community-tag>999:10044</community-tag>\n<community-tag>999:10045</community-tag>\n<community-tag>999:10046</community-tag>\n<community-tag>999:10047</community-tag>\n<community-tag>999:10048</community-tag>\n<community-tag>999:10049</community-tag>\n<community-tag>999:10050</community-tag>\n<community-tag>999:10051</community-tag>\n<community-tag>999:10052</community-tag>\n<community-tag>999:10053</community-tag>\n<community-tag>999:10054</community-tag>\n<community-tag>999:10055</community-tag>\n<community-tag>999:10056</community-tag>\n<community-tag>999:10057</community-tag>\n<community-tag>999:10058</community-tag>\n<community-tag>999:10059</community-tag>\n<community-tag>999:10060</community-tag>\n<community-tag>999:10061</community-tag>\n<community-tag>999:10062</community-tag>\n<community-tag>999:10063</community-tag>\n<community-tag>999:10064</community-tag>\n<community-tag>999:10065</community-tag>\n<community-tag>999:10066</community-tag>\n<community-tag>999:10067</community-tag>\n<community-tag>999:10068</community-tag>\n<community-tag>999:10069</community-tag>\n<community-tag>999:10070</community-tag>\n<community-tag>999:10071</community-tag>\n<community-tag>999:10072</community-tag>\n<community-tag>999:10073</community-tag>\n<community-tag>999:10074</community-tag>\n<community-tag>999:10075</community-tag>\n<community-tag>999:1007"

Each community tag takes about 44 bytes, this specific route could have handled around 70 CT, but it would be safe to assume around 60 CT.