Closed Bug 1648568 Opened 3 years ago Closed 3 years ago

Assertion failure: curr->mLoader->mPendingLoadCount (Where did this pending load come from?), at /builds/worker/checkouts/gecko/layout/style/SharedStyleSheetCache.cpp:169

Categories

(Core :: CSS Parsing and Computation, defect)

defect
Not set
normal

Tracking

()

RESOLVED DUPLICATE of bug 1648095
Tracking Status
firefox79 --- fixed

People

(Reporter: jkratzer, Unassigned)

References

(Blocks 1 open bug)

Details

(Keywords: testcase, Whiteboard: [bugmon:confirm])

Testcase found while fuzzing mozilla-central rev db74cdf9afe7. Testcase must be served over HTTP in order to reproduce.

Assertion failure: curr->mLoader->mPendingLoadCount (Where did this pending load come from?), at /builds/worker/checkouts/gecko/layout/style/SharedStyleSheetCache.cpp:169

==18515==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000001 (pc 0x7f7020129ac1 bp 0x7ffcd4e895b0 sp 0x7ffcd4e895b0 T0)
==18515==The signal is caused by a WRITE memory access.
==18515==Hint: address points to the zero page.
    #0 0x7f7020129ac0 in mozilla::SharedStyleSheetCache::WillStartPendingLoad(mozilla::css::SheetLoadData&) /builds/worker/checkouts/gecko/layout/style/SharedStyleSheetCache.cpp:168:5
    #1 0x7f702012c9fb in mozilla::SharedStyleSheetCache::StartDeferredLoadsForLoader(mozilla::css::Loader&, mozilla::SharedStyleSheetCache::StartLoads) /builds/worker/checkouts/gecko/layout/style/SharedStyleSheetCache.cpp:448:5
    #2 0x7f701b6c3aff in mozilla::dom::Document::EnableStyleSheetsForSetInternal(nsTSubstring<char16_t> const&, bool) /builds/worker/checkouts/gecko/dom/base/Document.cpp:7935:18
    #3 0x7f701cf99c2b in mozilla::dom::Document_Binding::set_selectedStyleSheetSet(JSContext*, JS::Handle<JSObject*>, void*, JSJitSetterCallArgs) /builds/worker/workspace/obj-build/dom/bindings/DocumentBinding.cpp:5934:24
    #4 0x7f701d45592d in bool mozilla::dom::binding_detail::GenericSetter<mozilla::dom::binding_detail::NormalThisPolicy>(JSContext*, unsigned int, JS::Value*) /builds/worker/checkouts/gecko/dom/bindings/BindingUtils.cpp:3167:8
    #5 0x7f7023b4fc3b in CallJSNative /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:484:13
    #6 0x7f7023b4fc3b in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:576:12
    #7 0x7f7023b51ed8 in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:639:10
    #8 0x7f7023b521b6 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:656:8
    #9 0x7f7023b540b3 in js::CallSetter(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::Handle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:794:10
    #10 0x7f70241032e9 in SetExistingProperty(JSContext*, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::Handle<js::NativeObject*>, JS::Handle<JS::PropertyResult>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2809:8
    #11 0x7f702410234b in bool js::NativeSetProperty<(js::QualifiedBool)1>(JSContext*, JS::Handle<js::NativeObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2838:14
    #12 0x7f7023b6bc50 in js::SetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:283:10
    #13 0x7f7023d344a9 in js::SetPropertyIgnoringNamedGetter(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::Handle<JS::PropertyDescriptor>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/proxy/BaseProxyHandler.cpp:166:14
    #14 0x7f701d480089 in mozilla::dom::DOMProxyHandler::set(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) const /builds/worker/checkouts/gecko/dom/bindings/DOMJSProxyHandler.cpp:243:10
    #15 0x7f7023d8734d in setInternal /builds/worker/checkouts/gecko/js/src/proxy/Proxy.cpp:382:19
    #16 0x7f7023d8734d in js::Proxy::set(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/proxy/Proxy.cpp:390:10
    #17 0x7f702403ce98 in JSObject::nonNativeSetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/vm/JSObject.cpp:1077:10
    #18 0x7f7023b6bc28 in js::SetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::PropertyKey>, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::ObjectOpResult&) /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:280:12
    #19 0x7f7023b323c3 in SetPropertyOperation /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:270:10
    #20 0x7f7023b323c3 in Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:3057:12
    #21 0x7f7023b1bfa1 in js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:456:10
    #22 0x7f7023b4fd1d in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:611:13
    #23 0x7f7023b51ed8 in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:639:10
    #24 0x7f7023b521b6 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:656:8
    #25 0x7f7023cf4fa0 in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/jsapi.cpp:2846:10
    #26 0x7f701d050a2e in mozilla::dom::EventListener::HandleEvent(mozilla::dom::BindingCallContext&, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&) /builds/worker/workspace/obj-build/dom/bindings/EventListenerBinding.cpp:55:8
    #27 0x7f701db59bed in void mozilla::dom::EventListener::HandleEvent<mozilla::dom::EventTarget*>(mozilla::dom::EventTarget* const&, mozilla::dom::Event&, mozilla::ErrorResult&, char const*, mozilla::dom::CallbackObject::ExceptionHandling, JS::Realm*) /builds/worker/workspace/obj-build/dist/include/mozilla/dom/EventListenerBinding.h:66:12
    #28 0x7f701db59614 in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1082:43
    #29 0x7f701db5ae1d in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1279:17
    #30 0x7f701db48f0f in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:355:17
    #31 0x7f701db476ad in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:557:16
    #32 0x7f701db4bc06 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:1054:11
    #33 0x7f701db50939 in mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp
    #34 0x7f701b9ab6be in nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&) /builds/worker/checkouts/gecko/dom/base/nsINode.cpp:1301:17
    #35 0x7f701b3f9807 in nsContentUtils::DispatchEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, mozilla::Trusted, bool*, mozilla::ChromeOnlyDispatch) /builds/worker/checkouts/gecko/dom/base/nsContentUtils.cpp:4051:28
    #36 0x7f701b3f9543 in nsContentUtils::DispatchTrustedEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, bool*) /builds/worker/checkouts/gecko/dom/base/nsContentUtils.cpp:4021:10
    #37 0x7f701b6bbc59 in mozilla::dom::Document::DispatchContentLoadedEvents() /builds/worker/checkouts/gecko/dom/base/Document.cpp:7169:3
    #38 0x7f701b78abd4 in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1186:12
    #39 0x7f701b78abd4 in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1192:12
    #40 0x7f701b78abd4 in mozilla::detail::RunnableMethodImpl<mozilla::dom::Document*, void (mozilla::dom::Document::*)(), true, (mozilla::RunnableKind)0>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1238:13
    #41 0x7f70176c08cd in mozilla::SchedulerGroup::Runnable::Run() /builds/worker/checkouts/gecko/xpcom/threads/SchedulerGroup.cpp:146:20
    #42 0x7f70176fb8ee in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1234:14
    #43 0x7f70177067cc in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:501:10
    #44 0x7f7018a95d0f in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:87:21
    #45 0x7f7018971e17 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:315:10
    #46 0x7f7018971e17 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:308:3
    #47 0x7f7018971e17 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:290:3
    #48 0x7f701fd1af88 in nsBaseAppShell::Run() /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:137:27
    #49 0x7f70238e2786 in XRE_RunAppShell() /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:913:20
    #50 0x7f7018971e17 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:315:10
    #51 0x7f7018971e17 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:308:3
    #52 0x7f7018971e17 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:290:3
    #53 0x7f70238e1d6f in XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:744:34
    #54 0x55d08a3e2b43 in content_process_main /builds/worker/checkouts/gecko/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28
    #55 0x55d08a3e2b43 in main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18
    #56 0x7f703b615b96 in __libc_start_main /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:310

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /builds/worker/checkouts/gecko/layout/style/SharedStyleSheetCache.cpp:168:5 in mozilla::SharedStyleSheetCache::WillStartPendingLoad(mozilla::css::SheetLoadData&)
Flags: in-testsuite?

Is there a test-case so that I can add it to bug 1648095? Thanks!

Status: NEW → RESOLVED
Closed: 3 years ago
Resolution: --- → DUPLICATE
Keywords: bugmon
Bugmon Analysis:
Failed to identify testcase.  Please ensure that the testcase meets the requirements identified here: https://github.com/MozillaSecurity/bugmon#testcase-identification
Removing bugmon keyword as no further action possible.
Please review the bug and re-add the keyword for further analysis.
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