[Webkit-unassigned] [Bug 133873] New: AX: Crash at WebCore::AXObjectCache::textChanged

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=133873

           Summary: AX: Crash at WebCore::AXObjectCache::textChanged
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cfleizach at apple.com
                CC: webkit-bug-importer at group.apple.com


Thread 0:
0   libsystem_kernel.dylib            0x0000000198be9cc0 mach_msg_trap + 8
1   CoreFoundation                    0x000000018c1a6ca8 __CFRunLoopServiceMachPort + 180 (CFRunLoop.c:2257)
2   CoreFoundation                    0x000000018c1a4e9c __CFRunLoopRun + 932 (CFRunLoop.c:2492)
3   CoreFoundation                    0x000000018c0e5b34 CFRunLoopRunSpecific + 448 (CFRunLoop.c:2681)
4   GraphicsServices                  0x0000000191ab782c GSEventRunModal + 164 (GSEvent.c:2129)
5   UIKit                             0x000000018f1240e4 UIApplicationMain + 1152 (UIApplication.m:2431)
6   MobileSafari                      0x000000010003d2ec main + 1900 (main.m:205)
7   libdyld.dylib                     0x0000000198b07a9c start + 0

Thread 1:
0   libsystem_kernel.dylib            0x0000000198be9ac8 kevent64 + 8
1   libdispatch.dylib                 0x0000000198aedd74 _dispatch_mgr_thread + 48 (source.c:2309)

Thread 2 name:  WebThread
Thread 2 Crashed:
0   WebCore                           0x0000000195ade3f0 WebCore::AXObjectCache::textChanged(WebCore::AccessibilityObject*) + 32 (AXObjectCache.cpp:599)
1   WebCore                           0x0000000195adec04 WebCore::AXObjectCache::handleAttributeChanged(WebCore::QualifiedName const&, WebCore::Element*) + 108 (AXObjectCache.cpp:586)
2   WebCore                           0x0000000195798734 WebCore::Element::attributeChanged(WebCore::QualifiedName const&, WTF::AtomicString const&, WebCore::Element::AttributeModificationReason) + 944 (Element.cpp:1062)
3   WebCore                           0x0000000195797748 WebCore::Element::addAttributeInternal(WebCore::QualifiedName const&, WTF::AtomicString const&, WebCore::Element::SynchronizationOfLazyAttribute) + 172 (Element.cpp:3078)
4   WebCore                           0x000000019579742c WebCore::Element::setAttributeInternal(unsigned int, WebCore::QualifiedName const&, WTF::AtomicString const&, WebCore::Element::SynchronizationOfLazyAttribute) + 80 (Element.cpp:990)
5   WebCore                           0x000000019579d08c WebCore::Element::setAttribute(WTF::AtomicString const&, WTF::AtomicString const&, int&) + 304 (Element.cpp:965)
6   WebCore                           0x000000019579cec0 WebCore::jsElementPrototypeFunctionSetAttribute(JSC::ExecState*) + 664 (JSElement.cpp:1808)
7   ???                               0x0000000102ef403c 0 + 4344201276
8   WebCore                           0x0000000195795580 WebCore::ScheduledAction::executeFunctionInContext(JSC::JSGlobalObject*, JSC::JSValue, WebCore::ScriptExecutionContext*) + 544 (JSMainThreadExecState.h:64)
9   WebCore                           0x0000000195794f40 WebCore::ScheduledAction::execute(WebCore::Document*) + 136 (ScheduledAction.cpp:132)
10  WebCore                           0x0000000195794364 WebCore::DOMTimer::fired() + 540 (DOMTimer.cpp:183)
11  WebCore                           0x0000000195793d90 WebCore::ThreadTimers::sharedTimerFiredInternal() + 148 (ThreadTimers.cpp:143)
12  WebCore                           0x0000000195793cd0 WebCore::timerFired(__CFRunLoopTimer*, void*) + 32 (SharedTimerIOS.mm:62)
13  CoreFoundation                    0x000000018c1a7688 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 24 (CFRunLoop.c:1604)
14  CoreFoundation                    0x000000018c1a72f8 __CFRunLoopDoTimer + 800 (CFRunLoop.c:2090)
15  CoreFoundation                    0x000000018c1a5020 __CFRunLoopRun + 1320 (CFRunLoop.c:2218)
16  CoreFoundation                    0x000000018c0e5b34 CFRunLoopRunSpecific + 448 (CFRunLoop.c:2681)
17  WebCore                           0x0000000195850b98 RunWebThread(void*) + 468 (WebCoreThread.mm:667)
18  libsystem_pthread.dylib           0x0000000198c841ac _pthread_body + 164 (pthread.c:629)
19  libsystem_pthread.dylib           0x0000000198c84104 _pthread_start + 136 (pthread.c:654)
20  libsystem_pthread.dylib           0x0000000198c817ac thread_start + 0


<rdar://problem/15414279>

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