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Last Comment Bug 743499 - [Azure] Asseration failed: (mCg) [@mozilla::gfx::DrawTargetCG::Init]
: [Azure] Asseration failed: (mCg) [@mozilla::gfx::DrawTargetCG::Init]
: crash, testcase
Product: Core
Classification: Components
Component: Canvas: 2D (show other bugs)
: Trunk
: x86_64 Mac OS X
: -- critical (vote)
: mozilla14
Assigned To: Jeff Muizelaar [:jrmuizel]
: Milan Sreckovic [:milan]
Depends on:
Blocks: 739506
  Show dependency treegraph
Reported: 2012-04-07 23:34 PDT by Christoph Diehl [:posidron]
Modified: 2012-05-21 06:51 PDT (History)
7 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---

testcase (521 bytes, text/html)
2012-04-07 23:34 PDT, Christoph Diehl [:posidron]
no flags Details
callstack (11.48 KB, text/plain)
2012-04-07 23:35 PDT, Christoph Diehl [:posidron]
no flags Details
Handle negative sizes (605 bytes, patch)
2012-04-16 15:08 PDT, Jeff Muizelaar [:jrmuizel]
bas: review+
lukasblakk+bugs: approval‑mozilla‑beta+
akeybl: approval‑mozilla‑central+
Details | Diff | Splinter Review

Description Christoph Diehl [:posidron] 2012-04-07 23:34:35 PDT
Created attachment 613161 [details]

In: /gfx/2d/DrawTargetCG.cpp:914

  mCg = CGBitmapContextCreate (mData,
Comment 1 Christoph Diehl [:posidron] 2012-04-07 23:35:03 PDT
Created attachment 613162 [details]
Comment 2 Jeff Muizelaar [:jrmuizel] 2012-04-16 10:54:12 PDT
I have no idea how common this is. See bug 745818 for tracking whether we want to turn off CoreGraphics for 12.
Comment 3 Jeff Muizelaar [:jrmuizel] 2012-04-16 15:08:39 PDT
Created attachment 615488 [details] [diff] [review]
Handle negative sizes

I didn't realize Sizes could be negative when originally writing this code.
Comment 4 Alex Keybl [:akeybl] 2012-04-18 11:04:03 PDT
Given, we won't track for FF12.
Comment 5 Alex Keybl [:akeybl] 2012-04-18 15:36:03 PDT
And we'll wait for enterprises to let us know this is a major pain point before fixing on the ESR.
Comment 6 Jeff Muizelaar [:jrmuizel] 2012-04-19 21:30:02 PDT
Comment on attachment 615488 [details] [diff] [review]
Handle negative sizes

[Approval Request Comment]
Regression caused by (bug #): 692879
User impact if declined: Occasional crashes
Testing completed (on m-c, etc.): test case attached to bug no longer asserts
Risk to taking this patch (and alternatives if risky): none
String changes made by this patch: none
Comment 7 Alex Keybl [:akeybl] 2012-04-20 15:40:57 PDT
Comment on attachment 615488 [details] [diff] [review]
Handle negative sizes

[Triage Comment]
Very low risk, approved for mozilla-central.
Comment 8 Jeff Muizelaar [:jrmuizel] 2012-04-23 14:11:46 PDT
Comment 9 Ed Morley [:emorley] 2012-04-24 04:35:27 PDT
Comment 10 Lukas Blakk [:lsblakk] use ?needinfo 2012-04-25 12:36:47 PDT
Comment on attachment 615488 [details] [diff] [review]
Handle negative sizes

[Triage comment]
Please go ahead and land on Aurora.
Comment 11 Lukas Blakk [:lsblakk] use ?needinfo 2012-05-01 10:31:09 PDT
Comment on attachment 615488 [details] [diff] [review]
Handle negative sizes

[Triage Comment]
Sorry, this is meant for Beta, since it was after the merge.
Comment 12 Jeff Muizelaar [:jrmuizel] 2012-05-07 14:26:36 PDT
Comment 13 Vlad [QA] 2012-05-21 06:51:22 PDT
I've verified this on:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:13.0) Gecko/20120517 Firefox/13.0 beta debug build

There is no assertion in the console and the build did not crashed.

Setting the flag to verified.

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