[Webkit-unassigned] [Bug 198038] hitTest on a SVG zero-width rect with rounded corners crashes WebKit

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=198038

Said Abou-Hallawa <sabouhallawa at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #3 from Said Abou-Hallawa <sabouhallawa at apple.com> ---
Yes I believe this bug was fixed by <https://trac.webkit.org/changeset/243845>.

In the scenario of this bug RenderSVGShape::nodeAtFloatPoint() calls RenderSVGShape::fillContains() which calls RenderSVGRect::shapeDependentFillContains(). This last function checks the value of m_usePathFallback. If it is true, it calls Path::contains() via RenderSVGShape::shapeDependentFillContains().

Before r243845, m_usePathFallback could be set to true while m_path is null. After r243845, if m_usePathFallback is true, m_path has to be a valid pointer.

The crash log shows that the webkit build is 13607 (13607.2.6.1.2). I think is corresponds to safari-607.2.6.2-branch or very close to it. I checked this branch and it does not have r243845.

So I assume this is a duplicate of https://bugs.webkit.org/show_bug.cgi?id=196518.

*** This bug has been marked as a duplicate of bug 196518 ***

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