149288 2015-09-17 14:26:46 -0700 Null dereference loading Blink layout test editing/execCommand/crash-replacing-list-by-list.html 2015-10-26 16:09:02 -0700 1 1 1 Unclassified WebKit HTML Editing WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED BlinkMergeCandidate, HasReduction, InRadar P2 Normal --- 1 jhoneycutt jiewen_tan cdumez commit-queue jiewen_tan webkit-bug-importer oldest_to_newest 1126841 0 261422 jhoneycutt 2015-09-17 14:26:46 -0700 Created attachment 261422 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 1126844 1 webkit-bug-importer 2015-09-17 14:27:09 -0700 <rdar://problem/22746310> 1135466 2 263765 jiewen_tan 2015-10-21 17:01:29 -0700 Created attachment 263765 Patch 1136581 3 263765 cdumez 2015-10-26 11:59:47 -0700 Comment on attachment 263765 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=263765&action=review r=me with comments. > Source/WebCore/editing/ReplaceSelectionCommand.cpp:1468 > if (isStart || isMiddle) maybe: if ((isStart || isMiddle) && lastNode->previousSibling()) lastNode = lastNode->previousSibling() to avoid the unnecessary assignment. > LayoutTests/editing/execCommand/crash-replacing-list-by-list.html:3 > +Pass if not crash. This does not sound like proper English. I would use "Pass if it does not crash". 1136583 4 263765 cdumez 2015-10-26 12:01:09 -0700 Comment on attachment 263765 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=263765&action=review >> LayoutTests/editing/execCommand/crash-replacing-list-by-list.html:3 >> +Pass if not crash. > > This does not sound like proper English. I would use "Pass if it does not crash". Actually "Passes if it does not crash" would be better. 1136602 5 264065 jiewen_tan 2015-10-26 12:54:59 -0700 Created attachment 264065 Patch 1136677 6 264065 commit-queue 2015-10-26 16:08:53 -0700 Comment on attachment 264065 Patch Clearing flags on attachment: 264065 Committed r191609: <http://trac.webkit.org/changeset/191609> 1136678 7 commit-queue 2015-10-26 16:09:02 -0700 All reviewed patches have been landed. Closing bug. 261422 2015-09-17 14:26:46 -0700 2015-09-17 14:26:46 -0700 crashing test crash-replacing-list-by-list.html text/html 364 jhoneycutt PCFET0NUWVBFIGh0bWw+Cjxib2R5PgpQQVNTIGlmIEJsaW5rIGRvZXNuJ3QgY3Jhc2guCjxkaXYg aWQ9InNhbXBsZSIgY29udGVudGVkaXRhYmxlPSJ0cnVlIj48b2w+PGxpPjxicj48L2xpPjwvb2w+ PC9kaXY+CjwvYm9keT4KPHNjcmlwdD4KaWYgKHdpbmRvdy50ZXN0UnVubmVyKQogICAgdGVzdFJ1 bm5lci5kdW1wQXNUZXh0KCk7CnZhciBzYW1wbGUgPSBkb2N1bWVudC5nZXRFbGVtZW50QnlJZCgn c2FtcGxlJyk7CmdldFNlbGVjdGlvbigpLnNlbGVjdEFsbENoaWxkcmVuKHNhbXBsZSk7CmRvY3Vt ZW50LmV4ZWNDb21tYW5kKCdJbnNlcnRIVE1MJywgZmFsc2UsICc8dWw+Jyk7CnNhbXBsZS5vdXRl ckhUTUwgPSAnJzsKPC9zY3JpcHQ+Cg== 263765 2015-10-21 17:01:29 -0700 2015-10-26 12:54:56 -0700 Patch bug-149288-20151021170045.patch text/plain 3543 jiewen_tan U3VidmVyc2lvbiBSZXZpc2lvbjogMTkxMzI0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggZGFiMjJhNjc4Yjc4ODVm NTAyYmFkY2ZiNjU1MTUyOTY0ODIxNjFlNi4uN2FjNTY4N2JmY2FkZWRiZDVjYWEyNWUwODg3Y2Yz 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