[Webkit-unassigned] [Bug 50151] New: chrome.dll!WebCore::RenderBox::paintMaskImages ReadAV at NULL (various hashes)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=50151

           Summary: chrome.dll!WebCore::RenderBox::paintMaskImages
                    ReadAV at NULL (various hashes)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://code.google.com/p/chromium/issues/detail?id=646
                    28
        OS/Version: Windows Vista
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skylined at chromium.org
                CC: eric at webkit.org


Created an attachment (id=75020)
 --> (https://bugs.webkit.org/attachment.cgi?id=75020&action=review)
Repro

Repro:
<style>
  *{
    -webkit-mask-image:none,none,url(x);
  }
</style>
id:             chrome.dll!WebCore::RenderBox::paintMaskImages ReadAV at NULL (f12ffd1e9345f0da79fdc0164c287064)
description:    Attempt to read from unallocated NULL pointer in chrome.dll!WebCore::RenderBox::paintMaskImages
application:    Chromium 9.0.596.0
stack:          chrome.dll!WebCore::RenderBox::paintMaskImages
                chrome.dll!WebCore::RenderBox::paintMask
                chrome.dll!WebCore::RenderBlock::paintObject
                chrome.dll!WebCore::RenderBlock::paint
                chrome.dll!WebCore::RenderLayer::paintLayer
                chrome.dll!WebCore::RenderLayer::paintList
                chrome.dll!WebCore::RenderLayer::paintLayer
                chrome.dll!WebCore::RenderLayer::paintList
                chrome.dll!WebCore::RenderLayer::paintLayer
                chrome.dll!WebCore::RenderLayer::paint
                chrome.dll!WebCore::FrameView::paintContents
                chrome.dll!WebCore::ScrollView::paint
                chrome.dll!WebKit::WebFrameImpl::paintWithContext
                chrome.dll!WebKit::WebFrameImpl::paint
                chrome.dll!RenderWidget::PaintRect
                chrome.dll!RenderWidget::DoDeferredUpdate
                chrome.dll!RenderWidget::CallDoDeferredUpdate
                chrome.dll!MessageLoop::RunTask
                chrome.dll!MessageLoop::DoWork
                chrome.dll!base::MessagePumpDefault::Run
                chrome.dll!MessageLoop::RunInternal
                ...
Exact stack can differ: it appears that if you put element tags in the repro, they vary depending on what element gets rendered first.

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.