IDB tests crashing attempting to register sandbox extensions for blob files Especially seen in storage/indexeddb/modern/handle-user-delete.html (https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&showExpectations=true&revision=202420&tests=storage%2Findexeddb%2Fmodern%2Fhandle-user-delete.html) Example: Process: com.apple.WebKit.WebContent.Development [18076] Path: /Volumes/VOLUME/*/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development Identifier: com.apple.WebKit.WebContent.Development Version: 602+ (602.1.36+) Code Type: X86-64 (Native) Parent Process: ??? [1] Responsible: com.apple.WebKit.WebContent.Development [18076] User ID: 501 Date/Time: 2016-06-24 08:20:44.806 -0700 OS Version: Mac OS X 10.10.5 (14F1808) Report Version: 11 Anonymous UUID: 001A66D5-6B78-D628-6709-95BDBC177AC5 Time Awake Since Boot: 2000000 seconds Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x00000000bbadbeef VM Regions Near 0xbbadbeef: --> __TEXT 000000010913b000-0000000109140000 [ 20K] r-x/rwx SM=COW /Volumes/VOLUME/*/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.Development.xpc/Contents/MacOS/com.apple.WebKit.WebContent.Development Application Specific Information: CRASHING TEST: storage/indexeddb/modern/handle-user-delete.html Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.JavaScriptCore 0x000000010d706e97 WTFCrash + 39 1 com.apple.WebCore 0x000000011080fab7 WebCore::IDBResultData::getResult() const + 103 2 com.apple.WebKit 0x00000001097f5a1d WebKit::preregisterSandboxExtensionsIfNecessary(WebKit::WebIDBResult const&) + 29 3 com.apple.WebKit 0x00000001097f59c1 WebKit::WebIDBConnectionToServer::didGetRecord(WebKit::WebIDBResult const&) + 33 4 com.apple.WebKit 0x000000010980a23f void IPC::callMemberFunctionImpl<WebKit::WebIDBConnectionToServer, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&), std::__1::tuple<WebKit::WebIDBResult>, 0ul>(WebKit::WebIDBConnectionToServer*, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&), std::__1::tuple<WebKit::WebIDBResult>&&, std::__1::integer_sequence<unsigned long, 0ul>) + 159 5 com.apple.WebKit 0x0000000109809ff8 void IPC::callMemberFunction<WebKit::WebIDBConnectionToServer, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&), std::__1::tuple<WebKit::WebIDBResult>, std::__1::integer_sequence<unsigned long, 0ul> >(std::__1::tuple<WebKit::WebIDBResult>&&, WebKit::WebIDBConnectionToServer*, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&)) + 88 6 com.apple.WebKit 0x0000000109807748 void IPC::handleMessage<Messages::WebIDBConnectionToServer::DidGetRecord, WebKit::WebIDBConnectionToServer, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&)>(IPC::MessageDecoder&, WebKit::WebIDBConnectionToServer*, void (WebKit::WebIDBConnectionToServer::*)(WebKit::WebIDBResult const&)) + 264 7 com.apple.WebKit 0x0000000109806550 WebKit::WebIDBConnectionToServer::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) + 1440 8 com.apple.WebKit 0x0000000109b21974 WebKit::WebToDatabaseProcessConnection::didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) + 292 9 com.apple.WebKit 0x000000010921a353 IPC::Connection::dispatchMessage(IPC::MessageDecoder&) + 51 10 com.apple.WebKit 0x0000000109211524 IPC::Connection::dispatchMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >) + 724 11 com.apple.WebKit 0x000000010921a94f IPC::Connection::dispatchOneMessage() + 1519 12 com.apple.WebKit 0x000000010921f38d IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10::operator()() + 29 13 com.apple.WebKit 0x000000010921f2dc WTF::NoncopyableFunction<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::__1::unique_ptr<IPC::MessageDecoder, std::__1::default_delete<IPC::MessageDecoder> >)::$_10>::call() + 28 14 com.apple.JavaScriptCore 0x000000010d736763 WTF::NoncopyableFunction<void ()>::operator()() const + 99 15 com.apple.JavaScriptCore 0x000000010d751ef8 WTF::RunLoop::performWork() + 440 16 com.apple.JavaScriptCore 0x000000010d7525c4 WTF::RunLoop::performWork(void*) + 36 17 com.apple.CoreFoundation 0x00007fff8b571a01 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 18 com.apple.CoreFoundation 0x00007fff8b563b8d __CFRunLoopDoSources0 + 269 19 com.apple.CoreFoundation 0x00007fff8b5631bf __CFRunLoopRun + 927 20 com.apple.CoreFoundation 0x00007fff8b562bd8 CFRunLoopRunSpecific + 296 21 com.apple.HIToolbox 0x00007fff86fc956f RunCurrentEventLoopInMode + 235 22 com.apple.HIToolbox 0x00007fff86fc92ea ReceiveNextEventCommon + 431 23 com.apple.HIToolbox 0x00007fff86fc912b _BlockUntilNextEventMatchingListInModeWithFilter + 71 24 com.apple.AppKit 0x00007fff888608ab _DPSNextEvent + 978 25 com.apple.AppKit 0x00007fff8885fe58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346 26 com.apple.AppKit 0x00007fff88855af3 -[NSApplication run] + 594 27 com.apple.AppKit 0x00007fff887d2244 NSApplicationMain + 1832 28 libxpc.dylib 0x00007fff9314b928 _xpc_objc_main + 793 29 libxpc.dylib 0x00007fff9314d030 xpc_main + 490 30 com.apple.WebKit.WebContent.Development 0x000000010913c7a0 main + 800 31 libdyld.dylib 0x00007fff931665c9 start + 1
Created attachment 281993 [details] Patch
Comment on attachment 281993 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=281993&action=review > Source/WebKit2/ChangeLog:7 > + Please mention this is already tested and by what.
http://trac.webkit.org/changeset/202424