Coverity DIVIDE_BY_ZERO - CID 10932

Bug #1109270 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: 10932
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_exp_dec_func
Code snippet:
1011 #endif
1012
1013 timeline = egg_alpha_get_timeline (alpha);
1014 frame = egg_timeline_get_current_frame (timeline);
CID 10932 - 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)".
1015 n_frames = egg_timeline_get_n_frames (timeline);
1016
CID 10932 - DIVIDE_BY_ZERO
In expression "x_alpha_max * (n_frames - frame) / n_frames", division by expression "n_frames" which may be zero has undefined behavior.
1017 x = (x_alpha_max * (n_frames - frame)) / n_frames;
1018
1019 result = CLAMP (egg_pow2x (x) - 1, 0, EGG_ALPHA_MAX_ALPHA);
1020

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)
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