[Webkit-unassigned] [Bug 112523] Crash in AXObjectCache::notificationPostTimerFired()
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Mar 17 23:20:25 PDT 2013
https://bugs.webkit.org/show_bug.cgi?id=112523
--- Comment #6 from Simon Fraser (smfr) <simon.fraser at apple.com> 2013-03-17 23:22:51 PST ---
Something very odd is happening with accessibility. See this sample:
http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK2%20(Tests)/r146032%20(7849)/svg/wicd/sizing-flakiness-sample.txt
notably:
911 WebCore::ThreadTimers::sharedTimerFiredInternal() (in WebCore) + 302 [0x1134a177e] ThreadTimers.cpp:129
911 WebCore::Timer<WebCore::AXObjectCache>::fired() (in WebCore) + 115 [0x111a19823] Timer.h:113
911 WebCore::AXObjectCache::notificationPostTimerFired(WebCore::Timer<WebCore::AXObjectCache>*) (in WebCore) + 400 [0x1119cbcd0] AXObjectCache.cpp:645
911 WebCore::AXObjectCache::postPlatformNotification(WebCore::AccessibilityObject*, WebCore::AXObjectCache::AXNotification) (in WebCore) + 597 [0x111b011e5] AXObjectCacheMac.mm:131
911 -[WebAccessibilityObjectWrapperBase accessibilityPostedNotification:] (in WebCore) + 161 [0x1134f70b1] WebAccessibilityObjectWrapperBase.mm:240
911 -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation) + 64 [0x7fff918abe26]
911 _CFXNotificationPost (in CoreFoundation) + 2554 [0x7fff9351deda]
907 -[AccessibilityNotificationHandler _notificationReceived:] (in WebKitTestRunnerInjectedBundle) + 681 [0x119ea0fa9] AccessibilityNotificationHandler.mm:136
! 907 JSObjectCallAsFunction (in JavaScriptCore) + 523 [0x110c5b56b] JSObjectRef.cpp:468
! 907 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in JavaScriptCore) + 306 [0x1109b3782] CallData.cpp:40
! 907 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) (in JavaScriptCore) + 1519 [0x110ba61cf] Interpreter.cpp:1059
! 907 JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::JSGlobalData*) (in JavaScriptCore) + 84 [0x110ba8f24] JITCode.h:135
! 907 ??? (in JavaScriptCore) load address 0x110939000 + 0x2b3250 [0x110bec250]
! 796 cti_op_put_by_id_generic (in JavaScriptCore) + 203 [0x110bdfdfb] JITStubs.cpp:1415
! : 796 JSC::JSValue::put(JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) (in JavaScriptCore) + 185 [0x110ad0859] JSCJSValueInlines.h:678
The test is svg/wicd/sizing-flakiness.html, which has nothing to do with accessibility. So why is an accessibility notification firing, and why is it running JS code?
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