1680416 - crash near null in [@ operator]

Status: RESOLVED DUPLICATE of bug 1390089

(Core :: Graphics: CanvasWebGL, defect)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

I feel like I recently saw or logged a duplicate but I can't find it.

#0 0x7fda259e8818 in get /builds/worker/workspace/obj-build/dist/include/mozilla/RefPtr.h:286:27
#1 0x7fda259e8818 in operator-> /builds/worker/workspace/obj-build/dist/include/mozilla/RefPtr.h:316:12
#2 0x7fda259e8818 in nsINode::NodePrincipal() const src/dom/base/nsINode.h:943:12
#3 0x7fda2adecd93 in operator() src/dom/canvas/ClientWebGLContext.cpp:609:42
#4 0x7fda2adecd93 in mozilla::ClientWebGLContext::CreateHostContext(mozilla::avec2<unsigned int> const&) src/dom/canvas/ClientWebGLContext.cpp:587:14
#5 0x7fda2adf398e in mozilla::ClientWebGLContext::SetDimensions(int, int) src/dom/canvas/ClientWebGLContext.cpp:565:8
#6 0x7fda2ade896c in mozilla::dom::CanvasRenderingContextHelper::UpdateContext(JSContext*, JS::Handle<JS::Value>, mozilla::ErrorResult&) src/dom/canvas/CanvasRenderingContextHelper.cpp:240:24
#7 0x7fda2ade8237 in mozilla::dom::CanvasRenderingContextHelper::GetContext(JSContext*, nsTSubstring<char16_t> const&, JS::Handle<JS::Value>, mozilla::ErrorResult&) src/dom/canvas/CanvasRenderingContextHelper.cpp:192:19
#8 0x7fda2ae894e5 in mozilla::dom::OffscreenCanvas::GetContext(JSContext*, nsTSubstring<char16_t> const&, JS::Handle<JS::Value>, mozilla::ErrorResult&) src/dom/canvas/OffscreenCanvas.cpp:111:62
#9 0x7fda2994067d in mozilla::dom::OffscreenCanvas_Binding::getContext(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) /builds/worker/workspace/obj-build/dom/bindings/OffscreenCanvasBinding.cpp:210:64
#10 0x7fda2acbd198 in bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) src/dom/bindings/BindingUtils.cpp:3229:13
#11 0x7fda317aab44 in CallJSNative src/js/src/vm/Interpreter.cpp:507:13
#12 0x7fda317aab44 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) src/js/src/vm/Interpreter.cpp:599:12
#13 0x7fda317acf1e in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) src/js/src/vm/Interpreter.cpp:664:10
#14 0x7fda31793916 in CallFromStack src/js/src/vm/Interpreter.cpp:668:10
#15 0x7fda31793916 in Interpret(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:3337:16
#16 0x7fda31774376 in js::RunScript(JSContext*, js::RunState&) src/js/src/vm/Interpreter.cpp:477:13
#17 0x7fda317aad4c in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) src/js/src/vm/Interpreter.cpp:636:13
#18 0x7fda317acf1e in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) src/js/src/vm/Interpreter.cpp:664:10
#19 0x7fda317ad2a0 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) src/js/src/vm/Interpreter.cpp:681:8
#20 0x7fda32138b52 in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) src/js/src/jsapi.cpp:2830:10
#21 0x7fda2a8b8c48 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:57:8
#22 0x7fda2b433d08 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
#23 0x7fda2b433724 in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) src/dom/events/EventListenerManager.cpp:1073:43
#24 0x7fda2b434f71 in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) src/dom/events/EventListenerManager.cpp:1270:17
#25 0x7fda2b4229fe in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:352:17
#26 0x7fda2b421203 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) src/dom/events/EventDispatcher.cpp:554:16
#27 0x7fda2b425659 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) src/dom/events/EventDispatcher.cpp:1093:11
#28 0x7fda2b42aa09 in mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*) src/dom/events/EventDispatcher.cpp
#29 0x7fda291b6faf in nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&) src/dom/base/nsINode.cpp:1315:17
#30 0x7fda28c018ef in nsContentUtils::DispatchEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, mozilla::Trusted, bool*, mozilla::ChromeOnlyDispatch) src/dom/base/nsContentUtils.cpp:4072:28
#31 0x7fda28c01633 in nsContentUtils::DispatchTrustedEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, bool*) src/dom/base/nsContentUtils.cpp:4042:10
#32 0x7fda28ec3cde in mozilla::dom::Document::DispatchContentLoadedEvents() src/dom/base/Document.cpp:7369:3
#33 0x7fda28f94f7f in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1188:12
#34 0x7fda28f94f7f in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1194:12
#35 0x7fda28f94f7f 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
#36 0x7fda257a2b4d in mozilla::SchedulerGroup::Runnable::Run() src/xpcom/threads/SchedulerGroup.cpp:146:20
#37 0x7fda257aec59 in mozilla::RunnableTask::Run() src/xpcom/threads/TaskController.cpp:450:16
#38 0x7fda257ab717 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) src/xpcom/threads/TaskController.cpp:720:26
#39 0x7fda257a9657 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) src/xpcom/threads/TaskController.cpp:579:15
#40 0x7fda257a9aad in mozilla::TaskController::ProcessPendingMTTask(bool) src/xpcom/threads/TaskController.cpp:373:36
#41 0x7fda257b6741 in operator() src/xpcom/threads/TaskController.cpp:120:37
#42 0x7fda257b6741 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_3>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:577:5
#43 0x7fda257d717b in nsThread::ProcessNextEvent(bool, bool*) src/xpcom/threads/nsThread.cpp:1197:14
#44 0x7fda257e1e7c in NS_ProcessNextEvent(nsIThread*, bool) src/xpcom/threads/nsThreadUtils.cpp:513:10
#45 0x7fda26ac98bf in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) src/ipc/glue/MessagePump.cpp:87:21
#46 0x7fda269c7481 in RunInternal src/ipc/chromium/src/base/message_loop.cc:334:10
#47 0x7fda269c7481 in RunHandler src/ipc/chromium/src/base/message_loop.cc:327:3
#48 0x7fda269c7481 in MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:309:3
#49 0x7fda2d8048a7 in nsBaseAppShell::Run() src/widget/nsBaseAppShell.cpp:137:27
#50 0x7fda31543fff in XRE_RunAppShell() src/toolkit/xre/nsEmbedFunctions.cpp:913:20
#51 0x7fda269c7481 in RunInternal src/ipc/chromium/src/base/message_loop.cc:334:10
#52 0x7fda269c7481 in RunHandler src/ipc/chromium/src/base/message_loop.cc:327:3
#53 0x7fda269c7481 in MessageLoop::Run() src/ipc/chromium/src/base/message_loop.cc:309:3
#54 0x7fda3154359c in XRE_InitChildProcess(int, char**, XREChildData const*) src/toolkit/xre/nsEmbedFunctions.cpp:744:34
#55 0x555eef75155d in content_process_main(mozilla::Bootstrap*, int, char**) src/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28

Comment 1

[Jason Kratzer [:jkratzer]]

Bugmon Analysis:
Removing bugmon keyword as no further action possible.
Please review the bug and re-add the keyword for further analysis.