osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity

From Roland Knall: 

Modbus/TCP: Calculating the drop-out criteria for special data dissection fails.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5997

svn path=/trunk/; revision=37566
This commit is contained in:
Anders Broman 2011-06-06 10:32:19 +00:00
parent 4295086a6f
commit 5bb09a0c10
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
epan/dissectors/packet-mbtcp.c
View File

@ -403,7 +403,10 @@ dissect_mbtcp_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, guint8 f
reported_len = tvb_reported_length_remaining(tvb, payload_start);
if ( ( payload_start + payload_len ) > reported_len ) {
if ( payload_start < 0 || ( payload_len + payload_start ) == 0 )
return;
if ( payload_len != reported_len ) {
proto_tree_add_bytes_format(tree, hf_modbus_data, tvb, payload_start, payload_len, NULL, "Data");
return;
}