1655743 - Assertion failure: JS_IsExceptionPending(cx), at /builds/worker/workspace/obj-build/dom/bindings/EventBinding.cpp:372

Status: NEW

(Core :: DOM: Core & HTML, defect)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev eba7e3ce9382 (built with --enable-debug).

Assertion failure: JS_IsExceptionPending(cx), at /builds/worker/workspace/obj-build/dom/bindings/EventBinding.cpp:372

==18582==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7fe57d92cf1e bp 0x7ffd29da2020 sp 0x7ffd29da1f90 T18582)
==18582==The signal is caused by a WRITE memory access.
==18582==Hint: address points to the zero page.
    #0 0x7fe57d92cf1d in AnnotateMozCrashReason /builds/worker/workspace/obj-build/dist/include/mozilla/Assertions.h:42:19
    #1 0x7fe57d92cf1d in mozilla::dom::Event_Binding::composedPath(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) /builds/worker/workspace/obj-build/dom/bindings/EventBinding.cpp:372:11
    #2 0x7fe57dc3d321 in bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) /builds/worker/checkouts/gecko/dom/bindings/BindingUtils.cpp:3220:13
    #3 0x7fe580ab1b11 in CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:485:13
    #4 0x7fe580ab1389 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:577:12
    #5 0x7fe580ab2e4f in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:640:10
    #6 0x7fe580aa667b in CallFromStack /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:644:10
    #7 0x7fe580aa667b in Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:3312:16
    #8 0x7fe580a9d086 in js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:457:10
    #9 0x7fe580ab12e6 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:612:13
    #10 0x7fe580ab2e4f in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:640:10
    #11 0x7fe580ab302f 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:657:8
    #12 0x7fe580bc34b7 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:2837:10
    #13 0x7fe57d934a83 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
    #14 0x7fe57dfe8c76 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
    #15 0x7fe57dfe899d in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1082:43
    #16 0x7fe57dfe9633 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
    #17 0x7fe57dfdeef4 in HandleEvent /builds/worker/workspace/obj-build/dist/include/mozilla/EventListenerManager.h:354:5
    #18 0x7fe57dfdeef4 in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:355:17
    #19 0x7fe57dfde491 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:557:16
    #20 0x7fe57dfe1059 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
    #21 0x7fe57dfe35a6 in mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp
    #22 0x7fe57f475b70 in nsDocumentViewer::PermitUnloadInternal(unsigned int*, bool*) /builds/worker/checkouts/gecko/layout/base/nsDocumentViewer.cpp:1253:5
    #23 0x7fe57f475850 in nsDocumentViewer::PermitUnload(unsigned int, bool*) /builds/worker/checkouts/gecko/layout/base/nsDocumentViewer.cpp:1192:10
    #24 0x7fe580438f71 in PermitUnload /builds/worker/workspace/obj-build/dist/include/nsIContentViewer.h:83:14
    #25 0x7fe580438f71 in nsDocShell::InternalLoad(nsDocShellLoadState*) /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:8835:26
    #26 0x7fe58045765e in nsDocShell::LoadURI(nsDocShellLoadState*, bool) /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:838:8
    #27 0x7fe580437580 in mozilla::dom::BrowsingContext::LoadURI(nsDocShellLoadState*, bool) /builds/worker/checkouts/gecko/docshell/base/BrowsingContext.cpp:1577:23
    #28 0x7fe57c83d2c2 in mozilla::dom::LocationBase::SetURI(nsIURI*, nsIPrincipal&, mozilla::ErrorResult&, bool) /builds/worker/checkouts/gecko/dom/base/LocationBase.cpp:144:21
    #29 0x7fe57c84104f in mozilla::dom::LocationBase::SetHrefWithBase(nsTSubstring<char16_t> const&, nsIURI*, nsIPrincipal&, bool, mozilla::ErrorResult&) /builds/worker/checkouts/gecko/dom/base/LocationBase.cpp:205:5
    #30 0x7fe57c840002 in mozilla::dom::LocationBase::DoSetHref(nsTSubstring<char16_t> const&, nsIPrincipal&, bool, mozilla::ErrorResult&) /builds/worker/checkouts/gecko/dom/base/LocationBase.cpp:160:3
    #31 0x7fe57cc5468f in mozilla::dom::Location_Binding::replace(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) /builds/worker/workspace/obj-build/dom/bindings/LocationBinding.cpp:1085:24
    #32 0x7fe57dc3e8af in bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::CrossOriginThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) /builds/worker/checkouts/gecko/dom/bindings/BindingUtils.cpp:3220:13
    #33 0x7fe580ab1b11 in CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:485:13
    #34 0x7fe580ab1389 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:577:12
    #35 0x7fe580ab2e4f in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:640:10
    #36 0x7fe580aa667b in CallFromStack /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:644:10
    #37 0x7fe580aa667b in Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:3312:16
    #38 0x7fe580a9d086 in js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:457:10
    #39 0x7fe580ab12e6 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:612:13
    #40 0x7fe580ab2e4f in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:640:10
    #41 0x7fe580ab302f 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:657:8
    #42 0x7fe580bc34b7 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:2837:10
    #43 0x7fe57d934a83 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
    #44 0x7fe57dfe8c76 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
    #45 0x7fe57dfe899d in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1082:43
    #46 0x7fe57dfe9633 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
    #47 0x7fe57dfdeef4 in HandleEvent /builds/worker/workspace/obj-build/dist/include/mozilla/EventListenerManager.h:354:5
    #48 0x7fe57dfdeef4 in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:355:17
    #49 0x7fe57dfde491 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:557:16
    #50 0x7fe57dfe1059 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
    #51 0x7fe57dfe35a6 in mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp
    #52 0x7fe57c93a6e3 in nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&) /builds/worker/checkouts/gecko/dom/base/nsINode.cpp:1300:17
    #53 0x7fe57c65364a 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:4048:28
    #54 0x7fe57c6534d3 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:4018:10
    #55 0x7fe57c7b4ca3 in mozilla::dom::Document::DispatchContentLoadedEvents() /builds/worker/checkouts/gecko/dom/base/Document.cpp:7226:3
    #56 0x7fe57c823366 in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1188:12
    #57 0x7fe57c823366 in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1194:12
    #58 0x7fe57c823366 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:1240:13
    #59 0x7fe57a876142 in mozilla::SchedulerGroup::Runnable::Run() /builds/worker/checkouts/gecko/xpcom/threads/SchedulerGroup.cpp:146:20
    #60 0x7fe57a87c194 in mozilla::RunnableTask::Run() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:242:16
    #61 0x7fe57a879f5d in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:512:26
    #62 0x7fe57a878d44 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:371:15
    #63 0x7fe57a878f36 in mozilla::TaskController::ProcessPendingMTTask(bool) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:168:36
    #64 0x7fe57a880b56 in operator() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:83:37
    #65 0x7fe57a880b56 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_4>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:577:5
    #66 0x7fe57a8948f9 in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1234:14
    #67 0x7fe57a89a41a in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:513:10
    #68 0x7fe57b1a656f in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:87:21
    #69 0x7fe57b117823 in MessageLoop::RunInternal() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:334:10
    #70 0x7fe57b11773d in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:327:3
    #71 0x7fe57b11773d in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:309:3
    #72 0x7fe57f15c6a8 in nsBaseAppShell::Run() /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:137:27
    #73 0x7fe58096ef33 in XRE_RunAppShell() /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:913:20
    #74 0x7fe57b1a7337 in mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:237:9
    #75 0x7fe57b117823 in MessageLoop::RunInternal() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:334:10
    #76 0x7fe57b11773d in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:327:3
    #77 0x7fe57b11773d in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:309:3
    #78 0x7fe58096ea27 in XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:744:34
    #79 0x5595e4f66fb8 in content_process_main /builds/worker/checkouts/gecko/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28
    #80 0x5595e4f66fb8 in main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18
    #81 0x7fe595dfeb96 in __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310

UndefinedBehaviorSanitizer can not provide additional info.

Comment 1

[Jason Kratzer [:jkratzer]]

Bugmon Analysis:
Verified bug as reproducible on mozilla-central 20200804091327-7cb90fa4f485.
The bug appears to have been introduced in the following build range:
> Start: b0e84820d231a3b5a47f2ea72c384828d91f4c49 (20200213024515)
> End: b158903288bb2968dff9e587a3a8ca67f7435e37 (20200213030033)
> Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=b0e84820d231a3b5a47f2ea72c384828d91f4c49&tochange=b158903288bb2968dff9e587a3a8ca67f7435e37

Comment 2

[Bugmon [:jkratzer for issues]]

Bugmon was unable reproduce this issue.
Removing bugmon keyword as no further action possible. Please review the bug and re-add the keyword for further analysis.

Comment 3

[Jason Kratzer [:jkratzer]]

A change to the Taskcluster build definitions over the weekend caused Bugmon to fail when reproducing issues. This issue has been corrected. Re-enabling bugmon.

Comment 4

[Bugmon [:jkratzer for issues]]

Unable to reproduce bug 1655743 using build mozilla-central 20220723091444-f69015bf0e0a. Without a baseline, bugmon is unable to analyze this bug.
Removing bugmon keyword as no further action possible. Please review the bug and re-add the keyword for further analysis.