Bug 186251

Summary:	AX: REGRESSION(228417): [GTK] ASSERTION FAILED: m_notificationHandler at AccessibilityUIElementAtk.cpp(2060)
Product:	WebKit	Reporter:	Michael Catanzaro <mcatanzaro>
Component:	Accessibility	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	All
OS:	All
See Also:	https://bugs.webkit.org/show_bug.cgi?id=182763

Description Michael Catanzaro 2018-06-03 15:55:04 PDT

Since r228417 "AX: defer focusedUIElement notifications":

ASSERTION FAILED: m_notificationHandler at AccessibilityUIElementAtk.cpp(2060)

Thread 1 (Thread 0x7fbacf0173c0 (LWP 43609)):
#0  0x00007fbadd4baa42 in WTFCrash () at /home/slave/webkitgtk/gtk-linux-64-debug/build/Source/WTF/wtf/Assertions.cpp:267
#1  0x00007fba84ad3abc in WTR::AccessibilityUIElement::removeNotificationListener (this=0x7fba586a3b40) at /home/slave/webkitgtk/gtk-linux-64-debug/build/Tools/WebKitTestRunner/InjectedBundle/atk/AccessibilityUIElementAtk.cpp:2060
#2  0x00007fba84ac2d4c in WTR::JSAccessibilityUIElement::removeNotificationListener (context=0x7ffe86979ef0, thisObject=0x7fba756f79f0, argumentCount=1, arguments=0x7ffe86979dc0, exception=0x7ffe86979da8) at /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/DerivedSources/InjectedBundle/JSAccessibilityUIElement.cpp:1652
#3  0x00007fbadc2f1405 in JSC::APICallbackFunction::call<JSC::JSCallbackFunction> (exec=0x7ffe86979ef0) at ../../Source/JavaScriptCore/API/APICallbackFunction.h:63
#4  0x00007fba86fa302d in ?? ()
#5  0x00007ffe86979f70 in ?? ()
#6  0x00007fbadcf50e80 in llint_entry () from /home/slave/webkitgtk/gtk-linux-64-debug/build/WebKitBuild/Debug/lib/libjavascriptcoregtk-4.0.so.18
Backtrace stopped: frame did not save the PC


Note that we are separately tracking regressions from r228417 in bug #182763.

Comment 1 Radar WebKit Bug Importer 2018-06-03 15:55:17 PDT

<rdar://problem/40758366>