Coverity DIVIDE_BY_ZERO - CID 10940

Bug #1109268 reported by Product Strategy Coverity Bug Uploader
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
notify-osd (Ubuntu)
New
Medium
Unassigned

Bug Description

This bug is exported from the Coverity Integration Manager on Canonical's servers. For information on how this is done please see this website: https://wiki.ubuntu.com/CanonicalProductStrategy/Coverity
CID: 10940
Checker: DIVIDE_BY_ZERO
Category: No category available
CWE definition: http://cwe.mitre.org/data/definitions/571.html
File: /tmp/buildd/notify-osd-0.9.35daily12.11.28/egg/egg-alpha.c
Function: egg_smoothstep_inc_func
Code snippet:
874 * numbers in <0,1> we use EggFixed.
875 */
876 timeline = egg_alpha_get_timeline (alpha);
877 frame = egg_timeline_get_current_frame (timeline);
CID 10940 - DIVIDE_BY_ZERO
On this path, function call "egg_timeline_get_n_frames(timeline)" has return value of 0
Assigning: "n_frames" = "egg_timeline_get_n_frames(timeline)".
878 n_frames = egg_timeline_get_n_frames (timeline);
879
880 /*
881 * Convert x to 8.24 for next step.
882 */
CID 10940 - DIVIDE_BY_ZERO
In expression "(frame << 8) / n_frames", division by expression "n_frames" which may be zero has undefined behavior.
883 x = CFX_DIV (frame, n_frames) << 8;

Revision history for this message
Product Strategy Coverity Bug Uploader (coverity-uploader) wrote : notify-osd-13.04: /tmp/buildd/notify-osd-0.9.35daily12.11.28/egg/egg-alpha.c

Source file with Coverity annotations.

Changed in notify-osd:
importance: Undecided → Medium
no longer affects: notify-osd/precise
affects: notify-osd → notify-osd (Ubuntu)
To post a comment you must log in.
This report contains Public information  
Everyone can see this information.

Other bug subscribers

Remote bug watches

Bug watches keep track of this bug in other bug trackers.