Closed
Bug 1191608
Opened 10 years ago
Closed 10 years ago
CanvasRenderingContext2D::DrawImage can read uninitialized pointer
Categories
(Core :: Graphics: Canvas2D, defect)
Core
Graphics: Canvas2D
Tracking
()
RESOLVED
FIXED
mozilla42
| Tracking | Status | |
|---|---|---|
| firefox42 | --- | fixed |
People
(Reporter: erahm, Assigned: lsalzman)
References
(Blocks 1 open bug)
Details
(Keywords: coverity, Whiteboard: [CID 1314983])
Attachments
(1 file)
|
1.09 KB,
patch
|
bas.schouten
:
review+
|
Details | Diff | Splinter Review |
Coverity indicates that it's possible that in |CanvasRenderingContext2D::DrawImage|, |element| [1] is compared to another pointer when uninitialized [2].
[1] https://dxr.mozilla.org/mozilla-central/rev/5cf4d2f7f2f2b3df2f1edd31b8bdce7882f3875c/dom/canvas/CanvasRenderingContext2D.cpp#4271
[2] https://dxr.mozilla.org/mozilla-central/rev/5cf4d2f7f2f2b3df2f1edd31b8bdce7882f3875c/dom/canvas/CanvasRenderingContext2D.cpp#4505
|
Assignee | |
Comment 1•10 years ago
|
||
This just initializes element to null, so that in places where it is not needed/assigned, it doesn't have a random garbage value.
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Updated•10 years ago
|
Attachment #8644421 -
Flags: review?(bas) → review+
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Assignee | |
Comment 2•10 years ago
|
||
Keywords: checkin-needed
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||
Comment 4•10 years ago
|
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Status: ASSIGNED → RESOLVED
Closed: 10 years ago
status-firefox42:
--- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla42
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||
Updated•7 years ago
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Blocks: coverity-analysis
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Description
•