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<head>
<base href="https://bugs.webkit.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Null dereference loading Blink layout test editing/apply-inline-style-to-element-with-no-renderer-crash.html"
href="https://bugs.webkit.org/show_bug.cgi?id=149287">149287</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Null dereference loading Blink layout test editing/apply-inline-style-to-element-with-no-renderer-crash.html
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Nightly Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Keywords</th>
<td>BlinkMergeCandidate, HasReduction, NeedsRadar
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>Layout and Rendering
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jhoneycutt@apple.com
</td>
</tr>
<tr>
<th>CC</th>
<td>webkit-bug-importer@group.apple.com
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=261421" name="attach_261421" title="crashing test">attachment 261421</a> <a href="attachment.cgi?id=261421&action=edit" title="crashing test">[details]</a></span>
crashing test
Null dereference loading Blink layout test editing/apply-inline-style-to-element-with-no-renderer-crash.html.
Stack trace:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000014
Exception Note: EXC_CORPSE_NOTIFY
VM Regions Near 0x14:
-->
__TEXT 000000010f487000-000000010f489000 [ 8K] r-x/rwx SM=COW /Users/USER/*/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development
Application Specific Information:
CRASHING TEST: temp-tests/editing/apply-inline-style-to-element-with-no-renderer-crash.html
Global Trace Buffer (reverse chronological seconds):
8.903358 CFNetwork 0x00007fff88d43b97 Explicitly setting CF cookie storage singleton
8.903729 CFNetwork 0x00007fff88d8f211 Explicitly setting cookie storage singleton
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebCore 0x0000000117226b05 WebCore::ApplyStyleCommand::applyInlineStyle(WebCore::EditingStyle*) + 1141 (Node.h:638)
1 com.apple.WebCore 0x00000001172240fd WebCore::ApplyStyleCommand::doApply() + 173 (PassRefPtr.h:41)
2 com.apple.WebCore 0x00000001172d8216 WebCore::CompositeEditCommand::apply() + 102 (ScopedEventQueue.h:71)
3 com.apple.WebCore 0x00000001174fbbfb WebCore::Editor::applyStyle(WTF::RefPtr<WebCore::EditingStyle>&&, WebCore::EditAction) + 107 (StdLibExtras.h:366)
4 com.apple.WebCore 0x000000011750e2a3 WebCore::applyCommandToFrame(WebCore::Frame&, WebCore::EditorCommandSource, WebCore::EditAction, WTF::Ref<WebCore::EditingStyle>&&) + 51 (StdLibExtras.h:366)
5 com.apple.WebCore 0x000000011750e37b WebCore::executeToggleStyle(WebCore::Frame&, WebCore::EditorCommandSource, WebCore::EditAction, WebCore::CSSPropertyID, char const*, char const*) + 123 (EditorCommand.cpp:140)
6 com.apple.WebCore 0x000000011750a876 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const + 182 (EditorCommand.cpp:1704)
7 com.apple.WebCore 0x0000000117443c36 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) + 214 (Document.cpp:4666)
8 com.apple.WebCore 0x000000011785a074 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) + 420 (JSCJSValue.h:499)
9 ??? 0x000058533ce01028 0 + 97114526847016
10 com.apple.JavaScriptCore 0x0000000116bb676f llint_entry + 22696
11 com.apple.JavaScriptCore 0x0000000116bb0ce4 vmEntryToJavaScript + 299
12 com.apple.JavaScriptCore 0x0000000116a712d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (JITCode.cpp:82)
13 com.apple.JavaScriptCore 0x0000000116a57d12 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 450 (Interpreter.cpp:1008)
14 com.apple.JavaScriptCore 0x00000001167238b7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 71 (MarkedBlock.h:241)
15 com.apple.WebCore 0x00000001178defa4 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 996 (JSMainThreadExecState.h:56)
16 com.apple.WebCore 0x00000001175454db WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul>&) + 635 (InspectorInstrumentation.h:285)
17 com.apple.WebCore 0x00000001175451a0 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 224 (EventTarget.cpp:208)
18 com.apple.WebCore 0x00000001174d1bf4 WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) + 260 (DOMWindow.cpp:1900)
19 com.apple.WebCore 0x00000001174d730b WebCore::DOMWindow::dispatchLoadEvent() + 347 (StdLibExtras.h:366)
20 com.apple.WebCore 0x000000011743a294 WebCore::Document::implicitClose() + 324 (Document.cpp:4077)
21 com.apple.WebCore 0x00000001175c7003 WebCore::FrameLoader::checkCompleted() + 275 (FrameLoader.cpp:839)
22 com.apple.WebCore 0x00000001175c595b WebCore::FrameLoader::finishedParsing() + 123 (FrameLoader.cpp:760)
23 com.apple.WebCore 0x0000000117445281 WebCore::Document::finishedParsing() + 417 (Frame.h:377)
24 com.apple.WebCore 0x0000000117671e05 WebCore::HTMLDocumentParser::prepareToStopParsing() + 165 (RefCounted.h:99)
25 com.apple.WebCore 0x000000011747569a WebCore::DocumentWriter::end() + 58 (StdLibExtras.h:366)
26 com.apple.WebCore 0x000000011745d9ec WebCore::DocumentLoader::finishedLoading(double) + 268 (ResourceErrorBase.h:42)
27 com.apple.WebCore 0x000000011728e179 WebCore::CachedResource::checkNotify() + 153 (CachedResourceClientWalker.h:51)
28 com.apple.WebCore 0x000000011728a433 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) + 227 (CachedRawResource.cpp:104)
29 com.apple.WebCore 0x0000000118005501 WebCore::SubresourceLoader::didFinishLoading(double) + 1153 (ResourceLoader.h:154)
30 com.apple.WebKit 0x0000000115b4b98d WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) + 561 (HandleMessage.h:16)
31 com.apple.WebKit 0x00000001159251f1 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 127 (memory:2636)
32 com.apple.WebKit 0x0000000115927b4a IPC::Connection::dispatchOneMessage() + 126 (memory:2656)
33 com.apple.JavaScriptCore 0x0000000116d69985 WTF::RunLoop::performWork() + 437 (functional:1742)
34 com.apple.JavaScriptCore 0x0000000116d69d32 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39)
35 com.apple.CoreFoundation 0x00007fff949e2c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
36 com.apple.CoreFoundation 0x00007fff949d4b1c __CFRunLoopDoSources0 + 556
37 com.apple.CoreFoundation 0x00007fff949d403f __CFRunLoopRun + 927
38 com.apple.CoreFoundation 0x00007fff949d3a38 CFRunLoopRunSpecific + 296
39 com.apple.HIToolbox 0x00007fff88e673bd RunCurrentEventLoopInMode + 235
40 com.apple.HIToolbox 0x00007fff88e67153 ReceiveNextEventCommon + 432
41 com.apple.HIToolbox 0x00007fff88e66f93 _BlockUntilNextEventMatchingListInModeWithFilter + 71
42 com.apple.AppKit 0x00007fff870b81e7 _DPSNextEvent + 1076
43 com.apple.AppKit 0x00007fff8748490d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
44 com.apple.AppKit 0x00007fff870ae0b8 -[NSApplication run] + 682
45 com.apple.AppKit 0x00007fff87030396 NSApplicationMain + 1176
46 libxpc.dylib 0x00007fff8c70ff70 _xpc_objc_main + 793
47 libxpc.dylib 0x00007fff8c7116bf xpc_main + 494
48 com.apple.WebKit.WebContent.Development 0x000000010f488424 main + 409 (XPCServiceMain.Development.mm:187)
49 libdyld.dylib 0x00007fff93aa15ad start + 1</pre>
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