[Webkit-unassigned] [Bug 149288] New: Null dereference loading Blink layout test editing/execCommand/crash-replacing-list-by-list.html
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Sep 17 14:26:46 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=149288
Bug ID: 149288
Summary: Null dereference loading Blink layout test
editing/execCommand/crash-replacing-list-by-list.html
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 261422
--> https://bugs.webkit.org/attachment.cgi?id=261422&action=review
crashing test
Null dereference loading Blink layout test editing/execCommand/crash-replacing-list-by-list.html.
Stack trace:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000015
Exception Note: EXC_CORPSE_NOTIFY
VM Regions Near 0x15:
-->
__TEXT 00000001003e4000-00000001003e6000 [ 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/crash-replacing-list-by-list.html
Global Trace Buffer (reverse chronological seconds):
18446744062.062584 CFNetwork 0x00007fff88d43b97 Explicitly setting CF cookie storage singleton
18446744062.062977 CFNetwork 0x00007fff88d8f211 Explicitly setting cookie storage singleton
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.WebCore 0x0000000108db6ce9 WebCore::ReplaceSelectionCommand::doApply() + 10777 (Node.h:638)
1 com.apple.WebCore 0x0000000108202216 WebCore::CompositeEditCommand::apply() + 102 (ScopedEventQueue.h:71)
2 com.apple.WebCore 0x0000000108438714 WebCore::executeInsertFragment(WebCore::Frame&, WTF::PassRefPtr<WebCore::DocumentFragment>) + 84 (StdLibExtras.h:366)
3 com.apple.WebCore 0x0000000108435d83 WebCore::executeInsertHTML(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&) + 99 (StdLibExtras.h:366)
4 com.apple.WebCore 0x0000000108434876 WebCore::Editor::Command::execute(WTF::String const&, WebCore::Event*) const + 182 (EditorCommand.cpp:1704)
5 com.apple.WebCore 0x000000010836dc36 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&) + 214 (Document.cpp:4666)
6 com.apple.WebCore 0x0000000108784074 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*) + 420 (JSCJSValue.h:499)
7 ??? 0x00004dc41f801028 0 + 85504737415208
8 com.apple.JavaScriptCore 0x0000000107ae076f llint_entry + 22696
9 com.apple.JavaScriptCore 0x0000000107adace4 vmEntryToJavaScript + 299
10 com.apple.JavaScriptCore 0x000000010799b2d9 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169 (JITCode.cpp:82)
11 com.apple.JavaScriptCore 0x0000000107981a10 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) + 10448 (Interpreter.cpp:945)
12 com.apple.JavaScriptCore 0x00000001076944c5 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 469 (Completion.cpp:104)
13 com.apple.WebCore 0x0000000108df78ec WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld&) + 284 (JSMainThreadExecState.h:62)
14 com.apple.WebCore 0x0000000108df7b29 WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) + 41 (ScriptController.cpp:180)
15 com.apple.WebCore 0x0000000108dfdaac WebCore::ScriptElement::executeScript(WebCore::ScriptSourceCode const&) + 316 (ScriptElement.cpp:309)
16 com.apple.WebCore 0x0000000108dfc756 WebCore::ScriptElement::prepareScript(WTF::TextPosition const&, WebCore::ScriptElement::LegacyTypeSupport) + 1046 (StdLibExtras.h:366)
17 com.apple.WebCore 0x00000001085f95eb WebCore::HTMLScriptRunner::runScript(WebCore::Element*, WTF::TextPosition const&) + 347 (ScriptElement.h:58)
18 com.apple.WebCore 0x00000001085f9440 WebCore::HTMLScriptRunner::execute(WTF::PassRefPtr<WebCore::Element>, WTF::TextPosition const&) + 48 (HTMLScriptRunner.cpp:191)
19 com.apple.WebCore 0x000000010859c466 WebCore::HTMLDocumentParser::runScriptsForPausedTreeBuilder() + 86 (StdLibExtras.h:366)
20 com.apple.WebCore 0x000000010859c52d WebCore::HTMLDocumentParser::canTakeNextToken(WebCore::HTMLDocumentParser::SynchronousMode, WebCore::PumpSession&) + 93 (HTMLDocumentParser.cpp:214)
21 com.apple.WebCore 0x000000010859c0c3 WebCore::HTMLDocumentParser::pumpTokenizer(WebCore::HTMLDocumentParser::SynchronousMode) + 595 (HTMLDocumentParser.cpp:259)
22 com.apple.WebCore 0x000000010859cddd WebCore::HTMLDocumentParser::append(WTF::PassRefPtr<WTF::StringImpl>) + 669 (DocumentParser.h:71)
23 com.apple.WebCore 0x000000010833f61c WebCore::DecodedDataDocumentParser::flush(WebCore::DocumentWriter&) + 92 (StdLibExtras.h:366)
24 com.apple.WebCore 0x000000010839f68b WebCore::DocumentWriter::end() + 43 (RefPtr.h:71)
25 com.apple.WebCore 0x00000001083879ec WebCore::DocumentLoader::finishedLoading(double) + 268 (ResourceErrorBase.h:42)
26 com.apple.WebCore 0x00000001081b8179 WebCore::CachedResource::checkNotify() + 153 (CachedResourceClientWalker.h:51)
27 com.apple.WebCore 0x00000001081b4433 WebCore::CachedRawResource::finishLoading(WebCore::SharedBuffer*) + 227 (CachedRawResource.cpp:104)
28 com.apple.WebCore 0x0000000108f2f501 WebCore::SubresourceLoader::didFinishLoading(double) + 1153 (ResourceLoader.h:154)
29 com.apple.WebKit 0x0000000106a7598d WebKit::WebResourceLoader::didReceiveWebResourceLoaderMessage(IPC::Connection&, IPC::MessageDecoder&) + 561 (HandleMessage.h:16)
30 com.apple.WebKit 0x000000010684f1f1 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 127 (memory:2636)
31 com.apple.WebKit 0x0000000106851b4a IPC::Connection::dispatchOneMessage() + 126 (memory:2656)
32 com.apple.JavaScriptCore 0x0000000107c93985 WTF::RunLoop::performWork() + 437 (functional:1742)
33 com.apple.JavaScriptCore 0x0000000107c93d32 WTF::RunLoop::performWork(void*) + 34 (RunLoopCF.cpp:39)
34 com.apple.CoreFoundation 0x00007fff949e2c01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
35 com.apple.CoreFoundation 0x00007fff949d4b1c __CFRunLoopDoSources0 + 556
36 com.apple.CoreFoundation 0x00007fff949d403f __CFRunLoopRun + 927
37 com.apple.CoreFoundation 0x00007fff949d3a38 CFRunLoopRunSpecific + 296
38 com.apple.HIToolbox 0x00007fff88e673bd RunCurrentEventLoopInMode + 235
39 com.apple.HIToolbox 0x00007fff88e67153 ReceiveNextEventCommon + 432
40 com.apple.HIToolbox 0x00007fff88e66f93 _BlockUntilNextEventMatchingListInModeWithFilter + 71
41 com.apple.AppKit 0x00007fff870b81e7 _DPSNextEvent + 1076
42 com.apple.AppKit 0x00007fff8748490d -[NSApplication _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
43 com.apple.AppKit 0x00007fff870ae0b8 -[NSApplication run] + 682
44 com.apple.AppKit 0x00007fff87030396 NSApplicationMain + 1176
45 libxpc.dylib 0x00007fff8c70ff70 _xpc_objc_main + 793
46 libxpc.dylib 0x00007fff8c7116bf xpc_main + 494
47 com.apple.WebKit.WebContent.Development 0x00000001003e5424 main + 409 (XPCServiceMain.Development.mm:187)
48 libdyld.dylib 0x00007fff93aa15ad start + 1
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