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

IEEE80211-radio: Fix divide by zero 

Perform sanity check on parsed data rate. Data rate of zero results in a
division by zero in calculate_llac_duration. Do not use data rate if zero.

Bug: 13706
Change-Id: I7883e1052a0965f7927d3a478c0aa992693f7fe1
Reviewed-on: https://code.wireshark.org/review/21626
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Petri-Dish: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
Björn Ruytenberg 2017-05-13 19:31:07 +02:00 committed by Michael Mann
parent 544ebca89d
commit bd3e24f0da
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
epan/dissectors/packet-ieee80211-radio.c
View File

@ -882,7 +882,7 @@ dissect_wlan_radio_phdr (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree,
frame_length += 4;
}
if (have_data_rate) {
if (have_data_rate && data_rate > 0) {
/* duration calculations */
gboolean assumed_short_preamble = FALSE;
gboolean assumed_non_greenfield = FALSE;