[Webkit-unassigned] [Bug 178862] New: ASSERTION FAILED: count >= 1 in WebCore::RenderMultiColumnSet::columnCount

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Oct 26 06:06:33 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=178862

            Bug ID: 178862
           Summary: ASSERTION FAILED: count >= 1 in
                    WebCore::RenderMultiColumnSet::columnCount
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: hodovan at inf.u-szeged.hu
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 324998

  --> https://bugs.webkit.org/attachment.cgi?id=324998&action=review

Test

Load the attached test with debug WebKitTestRunner:

<style>
*, .class_0 {
  -webkit-column-count: 41;
  transform: scale3d(76, 685, 2) skewY(0deg) scaleY(27) !important;
  display: inline-block
</style>

Checked version: 9e82982
OS: macOS Sierra (10.12.6)


Backtrace:

ASSERTION FAILED: count >= 1
WebKit/Source/WebCore/rendering/RenderMultiColumnSet.cpp(447) : unsigned int WebCore::RenderMultiColumnSet::columnCount() const
1   0x12ffad321 WTFCrash
2   0x10f4830e1 WebCore::RenderMultiColumnSet::columnCount() const
3   0x10f492e3d WebCore::RenderMultiColumnSet::addOverflowFromChildren()
4   0x10edce5db WebCore::RenderBlock::computeOverflow(WebCore::LayoutUnit, bool)
5   0x10eec9bd1 WebCore::RenderBlockFlow::computeOverflow(WebCore::LayoutUnit, bool)
6   0x10ee92a68 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
7   0x10edcd603 WebCore::RenderBlock::layout()
8   0x10f485ed5 WebCore::RenderMultiColumnSet::layout()
9   0x10ee9f7fb WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
10  0x10ee95b2b WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
11  0x10ee91a53 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
12  0x10ee96047 WebCore::RenderBlockFlow::relayoutForPagination(WebCore::LayoutStateMaintainer&)
13  0x10ee91ee0 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
14  0x10edcd603 WebCore::RenderBlock::layout()
15  0x10dd4e4ac WebCore::RenderElement::layoutIfNeeded()
16  0x10ef2235d WebCore::RenderBlockFlow::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
17  0x10ee95306 WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
18  0x10ee919dc WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
19  0x10edcd603 WebCore::RenderBlock::layout()
20  0x10f14faf7 WebCore::RenderFragmentedFlow::layout()
21  0x10f4613e7 WebCore::RenderMultiColumnFlow::layout()
22  0x10eeec74d WebCore::RenderBlockFlow::layoutExcludedChildren(bool)
23  0x10ee95958 WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
24  0x10ee91a53 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
25  0x10edcd603 WebCore::RenderBlock::layout()
26  0x10ee9f7fb WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&)
27  0x10ee95b2b WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&)
28  0x10ee91a53 WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit)
29  0x10edcd603 WebCore::RenderBlock::layout()
30  0x10f88d3d6 WebCore::RenderView::layoutContent(WebCore::LayoutState const&)
31  0x10f88efea WebCore::RenderView::layout()
ASAN:DEADLYSIGNAL
=================================================================
==84004==ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef (pc 0x00012ffad359 bp 0x7fff5e8813d0 sp 0x7fff5e8813c0 T0)
==84004==The signal is caused by a WRITE memory access.
==84004==WARNING: invalid path to external symbolizer!
==84004==WARNING: Failed to use and restart external symbolizer!
    #0 0x12ffad358 in WTFCrash (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore:x86_64+0x39fe358)
    #1 0x10f4830e0 in WebCore::RenderMultiColumnSet::columnCount() const (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x27970e0)
    #2 0x10f492e3c in WebCore::RenderMultiColumnSet::addOverflowFromChildren() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x27a6e3c)
    #3 0x10edce5da in WebCore::RenderBlock::computeOverflow(WebCore::LayoutUnit, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e25da)
    #4 0x10eec9bd0 in WebCore::RenderBlockFlow::computeOverflow(WebCore::LayoutUnit, bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21ddbd0)
    #5 0x10ee92a67 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a6a67)
    #6 0x10edcd602 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e1602)
    #7 0x10f485ed4 in WebCore::RenderMultiColumnSet::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x2799ed4)
    #8 0x10ee9f7fa in WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21b37fa)
    #9 0x10ee95b2a in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a9b2a)
    #10 0x10ee91a52 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a5a52)
    #11 0x10ee96046 in WebCore::RenderBlockFlow::relayoutForPagination(WebCore::LayoutStateMaintainer&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21aa046)
    #12 0x10ee91edf in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a5edf)
    #13 0x10edcd602 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e1602)
    #14 0x10dd4e4ab in WebCore::RenderElement::layoutIfNeeded() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x10624ab)
    #15 0x10ef2235c in WebCore::RenderBlockFlow::layoutLineBoxes(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x223635c)
    #16 0x10ee95305 in WebCore::RenderBlockFlow::layoutInlineChildren(bool, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a9305)
    #17 0x10ee919db in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a59db)
    #18 0x10edcd602 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e1602)
    #19 0x10f14faf6 in WebCore::RenderFragmentedFlow::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x2463af6)
    #20 0x10f4613e6 in WebCore::RenderMultiColumnFlow::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x27753e6)
    #21 0x10eeec74c in WebCore::RenderBlockFlow::layoutExcludedChildren(bool) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x220074c)
    #22 0x10ee95957 in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a9957)
    #23 0x10ee91a52 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a5a52)
    #24 0x10edcd602 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e1602)
    #25 0x10ee9f7fa in WebCore::RenderBlockFlow::layoutBlockChild(WebCore::RenderBox&, WebCore::RenderBlockFlow::MarginInfo&, WebCore::LayoutUnit&, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21b37fa)
    #26 0x10ee95b2a in WebCore::RenderBlockFlow::layoutBlockChildren(bool, WebCore::LayoutUnit&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a9b2a)
    #27 0x10ee91a52 in WebCore::RenderBlockFlow::layoutBlock(bool, WebCore::LayoutUnit) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x21a5a52)
    #28 0x10edcd602 in WebCore::RenderBlock::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x20e1602)
    #29 0x10f88d3d5 in WebCore::RenderView::layoutContent(WebCore::LayoutState const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x2ba13d5)
    #30 0x10f88efe9 in WebCore::RenderView::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x2ba2fe9)
    #31 0x10da86a1e in WebCore::FrameView::layout() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0xd9aa1e)
    #32 0x113fc03a8 in WebCore::Document::implicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x72d43a8)
    #33 0x114a82fc4 in WebCore::FrameLoader::checkCallImplicitClose() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7d96fc4)
    #34 0x114a82705 in WebCore::FrameLoader::checkCompleted() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7d96705)
    #35 0x114a7e4e9 in WebCore::FrameLoader::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7d924e9)
    #36 0x113ff46b1 in WebCore::Document::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x73086b1)
    #37 0x10de8e235 in WebCore::HTMLConstructionSite::finishedParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x11a2235)
    #38 0x10e25a2c8 in WebCore::HTMLTreeBuilder::finished() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x156e2c8)
    #39 0x10df16eac in WebCore::HTMLDocumentParser::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x122aeac)
    #40 0x10df10fe8 in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x1224fe8)
    #41 0x10df10b09 in WebCore::HTMLDocumentParser::prepareToStopParsing() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x1224b09)
    #42 0x10df16fcc in WebCore::HTMLDocumentParser::attemptToEnd() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x122afcc)
    #43 0x10df17107 in WebCore::HTMLDocumentParser::finish() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x122b107)
    #44 0x1149d32d7 in WebCore::DocumentWriter::end() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7ce72d7)
    #45 0x1149d1793 in WebCore::DocumentLoader::finishedLoading() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7ce5793)
    #46 0x1149d1163 in WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7ce5163)
    #47 0x1149d1a8b in non-virtual thunk to WebCore::DocumentLoader::notifyFinished(WebCore::CachedResource&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7ce5a8b)
    #48 0x114c61ee8 in WebCore::CachedResource::checkNotify() (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7f75ee8)
    #49 0x114c5a003 in WebCore::CachedResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7f6e003)
    #50 0x114c5bf92 in WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7f6ff92)
    #51 0x114b8cf9f in WebCore::SubresourceLoader::didFinishLoading(WebCore::NetworkLoadMetrics const&) (WebKit/WebKitBuild/Debug/WebCore.framework/Versions/A/WebCore:x86_64+0x7ea0f9f)
    #52 0x103734f59 in WebKit::WebResourceLoader::didFinishResourceLoad(WebCore::NetworkLoadMetrics const&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x23a6f59)
    #53 0x1037419df in void IPC::callMemberFunctionImpl<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, 0ul>(WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>&&, std::__1::integer_sequence<unsigned long, 0ul>) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x23b39df)
    #54 0x1037415f8 in void IPC::callMemberFunction<WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&), std::__1::tuple<WebCore::NetworkLoadMetrics>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebCore::NetworkLoadMetrics>&&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x23b35f8)
    #55 0x10373e81f in void IPC::handleMessage<Messages::WebResourceLoader::DidFinishResourceLoad, WebKit::WebResourceLoader, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)>(IPC::Decoder&, WebKit::WebResourceLoader*, void (WebKit::WebResourceLoader::*)(WebCore::NetworkLoadMetrics const&)) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x23b081f)
    #56 0x10373c84a in WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x23ae84a)
    #57 0x101d35571 in WebKit::NetworkProcessConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x9a7571)
    #58 0x1016b088a in IPC::Connection::dispatchMessage(IPC::Decoder&) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x32288a)
    #59 0x101694198 in IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >) (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x306198)
    #60 0x1016b15b7 in IPC::Connection::dispatchOneMessage() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x3235b7)
    #61 0x1016f04bc in IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14::operator()() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x3624bc)
    #62 0x1016f03e8 in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::Decoder, std::__1::default_delete<IPC::Decoder> >)::$_14>::call() (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/WebKit:x86_64+0x3623e8)
    #63 0x1300477e2 in WTF::Function<void ()>::operator()() const (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore:x86_64+0x3a987e2)
    #64 0x13009ee1e in WTF::RunLoop::performWork() (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore:x86_64+0x3aefe1e)
    #65 0x13009fd78 in WTF::RunLoop::performWork(void*) (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore:x86_64+0x3af0d78)
    #66 0x7fffa6c5e320 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation:x86_64h+0xa7320)
    #67 0x7fffa6c3f21c in __CFRunLoopDoSources0 (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation:x86_64h+0x8821c)
    #68 0x7fffa6c3e715 in __CFRunLoopRun (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation:x86_64h+0x87715)
    #69 0x7fffa6c3e113 in CFRunLoopRunSpecific (/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation:x86_64h+0x87113)
    #70 0x7fffa619eebb in RunCurrentEventLoopInMode (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox:x86_64+0x30ebb)
    #71 0x7fffa619ecf0 in ReceiveNextEventCommon (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox:x86_64+0x30cf0)
    #72 0x7fffa619eb25 in _BlockUntilNextEventMatchingListInModeWithFilter (/System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox:x86_64+0x30b25)
    #73 0x7fffa4737a53 in _DPSNextEvent (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit:x86_64+0x46a53)
    #74 0x7fffa4eb37ed in -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit:x86_64+0x7c27ed)
    #75 0x7fffa472c3da in -[NSApplication run] (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit:x86_64+0x3b3da)
    #76 0x7fffa46f6e0d in NSApplicationMain (/System/Library/Frameworks/AppKit.framework/Versions/C/AppKit:x86_64+0x5e0d)
    #77 0x7fffbc61f8c6 in _xpc_objc_main (/usr/lib/system/libxpc.dylib:x86_64+0x108c6)
    #78 0x7fffbc61e2e3 in xpc_main (/usr/lib/system/libxpc.dylib:x86_64+0xf2e3)
    #79 0x101371dc0 in main (WebKit/WebKitBuild/Debug/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development:x86_64+0x100001dc0)
    #80 0x7fffbc3c6234 in start (/usr/lib/system/libdyld.dylib:x86_64+0x5234)

==84004==Register values:
rax = 0x00000000bbadbeef  rbx = 0x00007fff5e881480  rcx = 0x00000000bbadbeef  rdx = 0x0000000000000000  
rdi = 0x00001fffebd10230  rsi = 0x0000000000000000  rbp = 0x00007fff5e8813d0  rsp = 0x00007fff5e8813c0  
 r8 = 0x000000000000001e   r9 = 0x0000200000000000  r10 = 0x0000000000000000  r11 = 0xffffffffffffffff  
r12 = 0x00007fff5e881704  r13 = 0x00007fff5e881780  r14 = 0x00007fff5e881440  r15 = 0x00007fff5e881460  
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (WebKit/WebKitBuild/Debug/JavaScriptCore.framework/Versions/A/JavaScriptCore:x86_64+0x39fe358) in WTFCrash
==84004==ABORTING
#CRASHED - com.apple.WebKit.WebContent.Development (pid 84004)
LEAK: 1 WebProcessPool
LEAK: 1 WebPageProxy

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