[Webkit-unassigned] [Bug 29912] New: Avoid zero division during SVGPaintServerPattern::setup() in Chromium

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29912

           Summary: Avoid zero division during
                    SVGPaintServerPattern::setup() in Chromium
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://crbug.com/14521
        OS/Version: Windows Vista
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: shiki at google.com



Shiki Okasaka <shiki at google.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #40344|                            |review?
               Flag|                            |


Created an attachment (id=40344)
 --> (https://bugs.webkit.org/attachment.cgi?id=40344)
Proposed fix for a Chromium SVG crash

Fix a Chromium SVG crash when visiting
  http://upload.wikimedia.org/wikipedia/commons/c/c2/World_map_pol_2005_v02.svg
as reported by
  http://crbug.com/14521

The issue is tileRect is not empty with Skia when tileWidth or tileHeight
becomes
zero, and the calculation of numY or numX causes a zero division.

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