[Webkit-unassigned] [Bug 149295] New: Null dereference loading Blink layout test editing/execCommand/insert-tab-to-html-element-crash.html
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Sep 17 14:42:42 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=149295
Bug ID: 149295
Summary: Null dereference loading Blink layout test
editing/execCommand/insert-tab-to-html-element-crash.h
tml
Classification: Unclassified
Product: WebKit
Version: WebKit Nightly Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Keywords: BlinkMergeCandidate, HasReduction, NeedsRadar
Severity: Normal
Priority: P2
Component: HTML Editing
Assignee: webkit-unassigned at lists.webkit.org
Reporter: jhoneycutt at apple.com
CC: webkit-bug-importer at group.apple.com
Created attachment 261431
--> https://bugs.webkit.org/attachment.cgi?id=261431&action=review
crashing test
Null dereference loading Blink layout test editing/execCommand/insert-tab-to-html-element-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 0000000100714000-0000000100716000 [ 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/execCommand/insert-tab-to-html-element-crash.html
Global Trace Buffer (reverse chronological seconds):
18446744057.482735 CFNetwork 0x00007fff88d43b97 Explicitly setting CF cookie storage singleton
18446744057.483101 CFNetwork 0x00007fff88d8f211 Explicitly setting cookie storage singleton
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebCore 0x000000010899f6d6 WebCore::InsertTextCommand::insertTab(WebCore::Position const&) + 150 (Node.h:638)
1 com.apple.WebCore 0x000000010899ed3c WebCore::InsertTextCommand::doApply() + 1196 (RefPtr.h:63)
2 com.apple.WebCore 0x0000000108518630 WebCore::CompositeEditCommand::applyCommandToComposite(WTF::PassRefPtr<WebCore::CompositeEditCommand>, WebCore::VisibleSelection const&) + 80 (CompositeEditCommand.cpp:296)
3 com.apple.WebCore 0x0000000109363c13 WebCore::TypingCommand::insertTextRunWithoutNewlines(WTF::String const&, bool) + 115 (StdLibExtras.h:366)
4 com.apple.WebCore 0x0000000109364091 void WebCore::forEachLineInString<WebCore::TypingCommandLineOperation>(WTF::String const&, WebCore::TypingCommandLineOperation const&) + 257 (StdLibExtras.h:366)
5 com.apple.WebCore 0x0000000109363656 WebCore::TypingCommand::doApply() + 214 (TypingCommand.cpp:286)
6 com.apple.WebCore 0x0000000108518216 WebCore::CompositeEditCommand::apply() + 102 (ScopedEventQueue.h:71)
7 com.apple.WebCore 0x0000000109325263 WebCore::TextInsertionBaseCommand::applyTextInsertionCommand(WebCore::Frame*, WTF::PassRefPtr<WebCore::TextInsertionBaseCommand>, WebCore::VisibleSelection const&, WebCore::VisibleSelection const&) + 67 (StdLibExtras.h:366)
8 com.apple.WebCore 0x0000000109362bde WebCore::TypingCommand::insertText(WebCore::Document&, WTF::String const&, WebCore::VisibleSelection const&, unsigned int, WebCore::TypingCommand::TextCompositionType) + 686 (StdLibExtras.h:366)
9 com.apple.WebCore 0x000000010874c29a WebCore::executeInsertText(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) + 26 (EditorCommand.cpp:535)
10 com.apple.WebCore 0x000000010874a876 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const + 182 (EditorCommand.cpp:1704)
11 com.apple.WebCore 0x0000000108683c36 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) + 214 (Document.cpp:4666)
12 com.apple.WebCore 0x0000000108a9a074 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) + 420 (JSCJSValue.h:499)
13 ??? 0x0000308fa8e01028 0 + 53393571713064
14 com.apple.JavaScriptCore 0x0000000107df676f llint_entry + 22696
15 com.apple.JavaScriptCore 0x0000000107df0ce4 vmEntryToJavaScript + 299
16 com.apple.JavaScriptCore 0x0000000107cb12d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (JITCode.cpp:82)
17 com.apple.JavaScriptCore 0x0000000107c97d12 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 450 (Interpreter.cpp:1008)
18 com.apple.JavaScriptCore 0x00000001079638b7 JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&, WTF::NakedPtr<JSC::Exception>&) + 71 (MarkedBlock.h:241)
19 com.apple.WebCore 0x0000000108b1efa4 WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) + 996 (JSMainThreadExecState.h:56)
20 com.apple.WebCore 0x00000001087854db WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1ul, WTF::CrashOnOverflow, 16ul>&) + 635 (InspectorInstrumentation.h:285)
21 com.apple.WebCore 0x00000001087851a0 WebCore::EventTarget::fireEventListeners(WebCore::Event*) + 224 (EventTarget.cpp:208)
22 com.apple.WebCore 0x0000000108711bf4 WebCore::DOMWindow::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, WTF::PassRefPtr<WebCore::EventTarget>) + 260 (DOMWindow.cpp:1900)
23 com.apple.WebCore 0x000000010871730b WebCore::DOMWindow::dispatchLoadEvent() + 347 (StdLibExtras.h:366)
24 com.apple.WebCore 0x000000010867a294 WebCore::Document::implicitClose() + 324 (Document.cpp:4077)
25 com.apple.WebCore 0x0000000108807003 WebCore::FrameLoader::checkCompleted() + 275 (FrameLoader.cpp:839)
26 com.apple.WebCore 0x000000010880595b WebCore::FrameLoader::finishedParsing() + 123 (FrameLoader.cpp:760)
27 com.apple.WebCore 0x0000000108685281 WebCore::Document::finishedParsing() + 417 (Frame.h:377)
28 com.apple.WebCore 0x00000001088b1e05 WebCore::HTMLDocumentParser::prepareToStopParsing() + 165 (RefCounted.h:99)
29 com.apple.WebCore 0x00000001086b569a WebCore::DocumentWriter::end() + 58 (StdLibExtras.h:366)
30 com.apple.WebCore 0x000000010869d9ec WebCore::DocumentLoader::finishedLoading(double) + 268 (ResourceErrorBase.h:42)
31 com.apple.WebCore 0x00000001084ce179 WebCore::CachedResource::checkNotify() + 153 (CachedResourceClientWalker.h:51)
32 com.apple.WebCore 0x00000001084ca433 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) + 227 (CachedRawResource.cpp:104)
33 com.apple.WebCore 0x0000000109245501 WebCore::SubresourceLoader::didFinishLoading(double) + 1153 (ResourceLoader.h:154)
34 com.apple.WebKit 0x0000000106d8b98d WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) + 561 (HandleMessage.h:16)
35 com.apple.WebKit 0x0000000106b651f1 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 127 (memory:2636)
36 com.apple.WebKit 0x0000000106b67b4a IPC::Connection::dispatchOneMessage() + 126 (memory:2656)
37 com.apple.JavaScriptCore 0x0000000107fa9985 WTF::RunLoop::performWork() + 437 (functional:1742)
38 com.apple.JavaScriptCore 0x0000000107fa9d32 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39)
39 com.apple.CoreFoundation 0x00007fff949e2c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
40 com.apple.CoreFoundation 0x00007fff949d4b1c __CFRunLoopDoSources0 + 556
41 com.apple.CoreFoundation 0x00007fff949d403f __CFRunLoopRun + 927
42 com.apple.CoreFoundation 0x00007fff949d3a38 CFRunLoopRunSpecific + 296
43 com.apple.HIToolbox 0x00007fff88e673bd RunCurrentEventLoopInMode + 235
44 com.apple.HIToolbox 0x00007fff88e67153 ReceiveNextEventCommon + 432
45 com.apple.HIToolbox 0x00007fff88e66f93 _BlockUntilNextEventMatchingListInModeWithFilter + 71
46 com.apple.AppKit 0x00007fff870b81e7 _DPSNextEvent + 1076
47 com.apple.AppKit 0x00007fff8748490d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
48 com.apple.AppKit 0x00007fff870ae0b8 -[NSApplication run] + 682
49 com.apple.AppKit 0x00007fff87030396 NSApplicationMain + 1176
50 libxpc.dylib 0x00007fff8c70ff70 _xpc_objc_main + 793
51 libxpc.dylib 0x00007fff8c7116bf xpc_main + 494
52 com.apple.WebKit.WebContent.Development 0x0000000100715424 main + 409 (XPCServiceMain.Development.mm:187)
53 libdyld.dylib 0x00007fff93aa15ad start + 1
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