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ICMP: Fix dissection of Interface Information Object 

If an address subobject was included, all subsequent subobjects (eg, interface name or MTU subobjects) would read from the same offset.
This commit is contained in:
ishaangandhi 2020-10-03 12:43:36 -04:00
parent a883081b70
commit c1eb36b84b
1 changed files with 2 additions and 0 deletions
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2
epan/dissectors/packet-icmp.c
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@ -840,9 +840,11 @@ dissect_interface_information_object(tvbuff_t * tvb, gint offset,
switch(afi){
case 1: /* IPv4 */
proto_tree_add_item(int_ipaddr_object_tree, hf_icmp_int_info_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
break;
case 2: /* IPv6 */
proto_tree_add_item(int_ipaddr_object_tree, hf_icmp_int_info_ipv6, tvb, offset, 16, ENC_NA);
offset += 16;
break;
default: /* Unknown ?! */
proto_tree_add_item(int_ipaddr_object_tree, hf_icmp_int_info_ipunknown, tvb, offset, offset - obj_end_offset, ENC_NA);