diff options
| -rw-r--r-- | epan/dissectors/packet-ipv6.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/epan/dissectors/packet-ipv6.c b/epan/dissectors/packet-ipv6.c index 7106ffed72..a9aee10fc0 100644 --- a/epan/dissectors/packet-ipv6.c +++ b/epan/dissectors/packet-ipv6.c @@ -787,7 +787,10 @@ dissect_routing6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data /* from RFC6554: n = (((Hdr Ext Len * 8) - Pad - (16 - CmprE)) / (16 - CmprI)) + 1 */ - segments = (((rt.ip6r_len * 8) - pad - (16 - cmprE)) / (16 - cmprI)) + 1; + segments = 0; + if (rt.ip6r_len > 0) { + segments = (((rt.ip6r_len * 8) - pad - (16 - cmprE)) / (16 - cmprI)) + 1; + } ti = proto_tree_add_int(rthdr_tree, hf_ipv6_routing_hdr_rpl_segments, tvb, offset, 2, segments); PROTO_ITEM_SET_GENERATED(ti); |