[Webkit-unassigned] [Bug 171705] New: REGRESSION: Multiple LayoutTests crashing in WebCore::Document::page() const + 4

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171705

            Bug ID: 171705
           Summary: REGRESSION: Multiple LayoutTests crashing in
                    WebCore::Document::page() const + 4
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Created attachment 309123

  --> https://bugs.webkit.org/attachment.cgi?id=309123&action=review

Crashlog

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                   0x0000000101eaae84 WebCore::Document::page() const + 4 (Document.cpp:1643)
1   com.apple.WebCore                   0x0000000102859eb3 WebCore::Notification::contextDestroyed() + 35 (Notification.cpp:135)
2   com.apple.WebCore                   0x0000000102b04e68 WebCore::ScriptExecutionContext::~ScriptExecutionContext() + 72 (HashTable.h:384)
3   com.apple.WebCore                   0x0000000101ead1d0 WebCore::Document::~Document() + 5776 (Document.cpp:623)
4   com.apple.WebCore                   0x00000001020e5a2e WebCore::HTMLDocument::~HTMLDocument() + 14 (HTMLDocument.cpp:90)
5   com.apple.WebCore                   0x0000000101cf3803 WebCore::ChildNodeList::~ChildNodeList() + 147 (ChildNodeList.cpp:45)
6   com.apple.WebCore                   0x0000000101cf384e WebCore::ChildNodeList::~ChildNodeList() + 14 (ChildNodeList.cpp:43)
7   com.apple.JavaScriptCore            0x000000010594f094 JSC::JSDestructibleObjectSubspace::finishSweep(JSC::MarkedBlock::Handle&, JSC::MarkedBlock::Handle::SweepMode) + 1492 (JSDestructibleObjectSubspace.cpp:40)
8   com.apple.JavaScriptCore            0x0000000105a8743c JSC::MarkedBlock::Handle::sweep(JSC::MarkedBlock::Handle::SweepMode) + 252 (MarkedBlock.cpp:432)
9   com.apple.JavaScriptCore            0x0000000105832300 JSC::IncrementalSweeper::sweepNextBlock() + 128 (IncrementalSweeper.cpp:91)
10  com.apple.JavaScriptCore            0x0000000105832228 JSC::IncrementalSweeper::doWork() + 40 (IncrementalSweeper.cpp:55)
11  com.apple.JavaScriptCore            0x000000010575fa1f JSC::JSRunLoopTimer::timerDidFire() + 63 (JSRunLoopTimer.cpp:61)
12  com.apple.CoreFoundation            0x00007fff7edb1de4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 20
13  com.apple.CoreFoundation            0x00007fff7edb1a73 __CFRunLoopDoTimer + 1075
14  com.apple.CoreFoundation            0x00007fff7edb15ca __CFRunLoopDoTimers + 298
15  com.apple.CoreFoundation            0x00007fff7eda8fa1 __CFRunLoopRun + 2081
16  com.apple.CoreFoundation            0x00007fff7eda8524 CFRunLoopRunSpecific + 420
17  com.apple.HIToolbox                 0x00007fff7e308ebc RunCurrentEventLoopInMode + 240
18  com.apple.HIToolbox                 0x00007fff7e308cf1 ReceiveNextEventCommon + 432
19  com.apple.HIToolbox                 0x00007fff7e308b26 _BlockUntilNextEventMatchingListInModeWithFilter + 71
20  com.apple.AppKit                    0x00007fff7c8a3e24 _DPSNextEvent + 1120
21  com.apple.AppKit                    0x00007fff7d01f85e -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796
22  com.apple.AppKit                    0x00007fff7c8987ab -[NSApplication run] + 926
23  com.apple.AppKit                    0x00007fff7c8631de NSApplicationMain + 1237
24  libxpc.dylib                        0x00007fff94d228c7 _xpc_objc_main + 775
25  libxpc.dylib                        0x00007fff94d212e4 xpc_main + 494
26  com.apple.WebKit.WebContent         0x0000000100a8e695 main + 492 (XPCServiceMain.mm:122)
27  libdyld.dylib                       0x00007fff94ac9235 start + 1

https://build.webkit.org/results/Apple%20Sierra%20Release%20WK2%20(Tests)/r216219%20(1199)/results.html

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