Bug 84463

Summary: Crashes in WebProcess at AccessibilityRenderObject::isAttachment
Product: WebKit Reporter: chris fleizach <cfleizach>
Component: AccessibilityAssignee: chris fleizach <cfleizach>
Status: RESOLVED FIXED    
Severity: Normal CC: aboxhall, adele, bdakin, enrica, rniwa, webkit.review.bot
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
patch none

chris fleizach
Reported 2012-04-20 09:52:32 PDT
* BACKTRACE ('>' indicates stack frame used for CrashTracer aggregation) 1 page zero 000000000000000000 0 + 0 > 2 com.apple.WebCore 0x7fff86940c9d WebCore::AccessibilityRenderObject::isAttachment() const + 0x1d 3 com.apple.WebCore 0x7fff86ddc092 WebCore::AccessibilityObject::detachFromParent() + 0x12 4 com.apple.WebCore 0x7fff869475c1 WebCore::AccessibilityRenderObject::clearChildren() + 0x31 5 com.apple.WebCore 0x7fff86947565 WebCore::AccessibilityRenderObject::detach() + 0x15 6 com.apple.WebCore 0x7fff86947378 WebCore::AXObjectCache::~AXObjectCache() + 0x78 7 com.apple.WebCore 0x7fff868f9002 WebCore::Document::detach() + 0x122 8 com.apple.WebCore 0x7fff8689a3b8 WebCore::Frame::setView(WTF::PassRefPtr<WebCore::FrameView>) + 0x48 9 com.apple.WebCore 0x7fff86fe3571 WebCore::Frame::createView(WebCore::IntSize const&, WebCore::Color const&, bool, WebCore::IntSize const&, bool, WebCore::ScrollbarMode, bool, WebCore::ScrollbarMode, bool) + 0x61 10 com.apple.WebKit2 0x7fff890f4eef WebKit::WebFrameLoaderClient::transitionToCommittedForNewPage() + 0xb9 11 com.apple.WebCore 0x7fff86899a3c WebCore::FrameLoader::transitionToCommitted(WTF::PassRefPtr<WebCore::CachedPage>) + 0x29c 12 com.apple.WebCore 0x7fff86899018 WebCore::FrameLoader::commitProvisionalLoad() + 0x158 13 com.apple.WebCore 0x7fff8690ac05
Attachments
patch (3.27 KB, patch)
2012-04-20 10:17 PDT, chris fleizach 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
chris fleizach
Comment 1 2012-04-20 09:53:23 PDT
It looks like the problem is that it's possible to ask for the focused ui element through WK2 without actually enabling accessibility.
chris fleizach
Comment 2 2012-04-20 10:17:54 PDT
Created attachment 138111 [details] patch
Ryosuke Niwa
Comment 3 2012-04-22 23:05:37 PDT
Not sure if we want to enable accessibility on demand like this.
chris fleizach
Comment 4 2012-04-22 23:06:44 PDT
(In reply to comment #3) > Not sure if we want to enable accessibility on demand like this. yes we do. it's an oversight in WK2 that it's not done here
WebKit Review Bot
Comment 5 2012-04-26 00:36:38 PDT
Comment on attachment 138111 [details] patch Clearing flags on attachment: 138111 Committed r115295: <http://trac.webkit.org/changeset/115295>
WebKit Review Bot
Comment 6 2012-04-26 00:36:43 PDT
All reviewed patches have been landed. Closing bug.
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