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The maximum offset in an IP option dissector is the length of the option. 

It's *not* the sum of the length of the option and the length of the
option header.

Change-Id: I0b5ab0e35ca33dc02a0bc2501e0f0f531ec3f376
Reviewed-on: https://code.wireshark.org/review/28701
Reviewed-by: Guy Harris <guy@alum.mit.edu>
This commit is contained in:
Guy Harris 2018-07-14 14:43:55 -07:00
parent 4f7c8503b0
commit 1834cda2ee
1 changed files with 1 additions and 1 deletions
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2
epan/dissectors/packet-ip.c
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@ -931,7 +931,7 @@ dissect_ipopt_cipso(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *
guint tagtype, taglen;
gint offset = 2,
optlen = tvb_reported_length(tvb);
int offset_max = offset + optlen;
int offset_max = optlen;
field_tree = ip_var_option_header(tree, pinfo, tvb, proto_ip_option_cipso, ett_ip_option_cipso, &tf, optlen);