Created attachment 477615 [details] Fuzzer-generated test case When the attached fuzzer-generated test case is run directly in WebKitTestRunner with a debug build, there is an assertion failure in void WebKit::PageLoadState::didFailLoad(const Transaction::Token &) of Source/WebKit/UIProcess/PageLoadState.cpp. Here is a UI process stack trace (from ASAN debug build on 303850@main): #0 0x0000000112ec4e44 in ::WTFCrash() at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WTF/wtf/Assertions.cpp:375 #1 0x0000000146e0df1c in WTFCrashWithInfo at /Users/robertorodriguez/workspace/safari/OpenSource/WebKitBuild/Debug/usr/local/include/wtf/Assertions.h:985 #2 0x000000014ce224e4 in WebKit::PageLoadState::didFailLoad at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/UIProcess/PageLoadState.cpp:343 #3 0x000000014d076724 in WebKit::WebPageProxy::didFailLoadForFrame at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/UIProcess/WebPageProxy.cpp:7888 #4 0x000000014a875e18 in auto void IPC::callMemberFunction<WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), IPC::Connection&, std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>&&)::'lambda'(auto&&...)::operator()<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>(auto&&...) const at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/HandleMessage.h:171 #5 0x000000014a875abc in std::__1::__invoke[abi:sn200100]<void IPC::callMemberFunction<WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), IPC::Connection&, std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>&&)::'lambda'(auto&&...), WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData> at /Applications/XcodeInternal_LuckierC2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.Internal.sdk/usr/include/c++/v1/__type_traits/invoke.h:179 #6 0x000000014a875a64 in std::__1::__apply_tuple_impl[abi:sn200100]<void IPC::callMemberFunction<WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), IPC::Connection&, std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>&&)::'lambda'(auto&&...), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>, 0ul, 1ul, 2ul, 3ul, 4ul, 5ul> at /Applications/XcodeInternal_LuckierC2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.Internal.sdk/usr/include/c++/v1/tuple:1375 #7 0x000000014a8759d4 in std::__1::apply[abi:sn200100]<void IPC::callMemberFunction<WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>>(WebKit::WebPageProxy*, void (WebKit::WebPageProxy::*)(IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), IPC::Connection&, std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>&&)::'lambda'(auto&&...), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>> at /Applications/XcodeInternal_LuckierC2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.2.Internal.sdk/usr/include/c++/v1/tuple:1379 #8 0x000000014a873e00 in IPC::callMemberFunction<WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&), std::__1::tuple<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData, WebCore::ResourceRequest, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError, WebKit::UserData>> at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/HandleMessage.h:168 #9 0x000000014a7739ac in IPC::handleMessage<Messages::WebPageProxy::DidFailLoadForFrame, IPC::Connection, WebKit::WebPageProxy, WebKit::WebPageProxy, void (IPC::Connection&, WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>, WebKit::FrameInfoData&&, WebCore::ResourceRequest&&, std::__1::optional<WTF::ObjectIdentifierGeneric<WebCore::NavigationIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>, WebCore::ResourceError const&, WebKit::UserData const&)> at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/HandleMessage.h:335 #10 0x000000014a75ff40 in WebKit::WebPageProxy::didReceiveMessage at /Users/robertorodriguez/workspace/safari/OpenSource/WebKitBuild/Debug/DerivedSources/WebKit/WebPageProxyMessageReceiver.cpp:715 #11 0x000000014f7c68d0 in IPC::MessageReceiverMap::dispatchMessage at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/MessageReceiverMap.cpp:132 #12 0x000000014cd52778 in WebKit::AuxiliaryProcessProxy::dispatchMessage at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp:333 #13 0x000000014d40db00 in WebKit::WebProcessProxy::dispatchMessage at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/UIProcess/WebProcessProxy.cpp:1251 #14 0x000000014a81fd94 in WebKit::WebProcessProxy::didReceiveMessage at /Users/robertorodriguez/workspace/safari/OpenSource/WebKitBuild/Debug/DerivedSources/WebKit/WebProcessProxyMessageReceiver.cpp:310 #15 0x000000014f6ecd5c in IPC::Connection::dispatchMessage at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/Connection.cpp:1412 #16 0x000000014f6ed758 in IPC::Connection::dispatchMessage at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/Connection.cpp:1470 #17 0x000000014f6ee934 in IPC::Connection::dispatchIncomingMessages at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/Connection.cpp:1589 #18 0x000000014f7aa53c in IPC::Connection::dispatchIncomingMessages()::$_0::operator()() const at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WebKit/Platform/IPC/Connection.cpp:1584 #19 0x000000014f7aa444 in WTF::Detail::CallableWrapper<IPC::Connection::dispatchIncomingMessages()::$_0, void>::call at /Users/robertorodriguez/workspace/safari/OpenSource/WebKitBuild/Debug/usr/local/include/wtf/Function.h:59 #20 0x0000000112f36a30 in WTF::Function<void ()>::operator() at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WTF/wtf/Function.h:103 #21 0x00000001131045c4 in WTF::RunLoop::performWork at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WTF/wtf/RunLoop.cpp:144 #22 0x0000000113113348 in WTF::RunLoop::performWork at /Users/robertorodriguez/workspace/safari/OpenSource/Source/WTF/wtf/cf/RunLoopCF.cpp:46 #23 0x000000019d0b09e8 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ () #24 0x000000019d0b097c in __CFRunLoopDoSource0 () #25 0x000000019d0b06e8 in __CFRunLoopDoSources0 () #26 0x000000019d0af378 in __CFRunLoopRun () #27 0x000000019d16935c in _CFRunLoopRunSpecificWithOptions () #28 0x000000019f2f7850 in -[NSRunLoop(NSRunLoop) runMode:beforeDate:] () #29 0x00000001000c8ec0 in WTR::TestController::platformRunUntil at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/cocoa/TestControllerCocoa.mm:430 #30 0x0000000100073b68 in WTR::TestController::runUntil at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:2991 #31 0x000000010007c59c in WTR::TestController::setTracksRepaints at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:5216 #32 0x000000010007bb98 in WTR::TestController::resetStateToConsistentValues at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:1486 #33 0x00000001000e15e4 in WTR::TestInvocation::invoke at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestInvocation.cpp:222 #34 0x00000001000832b0 in WTR::TestController::runTest at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:2921 #35 0x0000000100074810 in WTR::TestController::run at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:2978 #36 0x0000000100073edc in WTR::TestController::TestController at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:232 #37 0x000000010007488c in WTR::TestController::TestController at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/TestController.cpp:229 #38 0x0000000100008d40 in main at /Users/robertorodriguez/workspace/safari/OpenSource/Tools/WebKitTestRunner/mac/main.mm:79 #39 0x000000019cc49d54 in start ()