1515067 - Assertion failure: mParent->GetChildAt_Deprecated(mOffset.value()) == mChild, at /builds/worker/workspace/build/src/obj-firefox/dist/include/mozilla/EditorDOMPoint.h:674

Status: NEW

(Core :: DOM: Editor, defect, P3)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev 7ce7e9407a75.

Assertion failure: mParent->GetChildAt_Deprecated(mOffset.value()) == mChild, at /builds/worker/workspace/build/src/obj-firefox/dist/include/mozilla/EditorDOMPoint.h:674

rax = 0x0000564fbece5e40   rdx = 0x0000000000000000
rcx = 0x00007f10b78e8cb4   rbx = 0x00007fff38bd16d0
rsi = 0x00007f10c44768b0   rdi = 0x00007f10c4475680
rbp = 0x00007fff38bd15c0   rsp = 0x00007fff38bd15a0
r8 = 0x00007f10c44768b0    r9 = 0x00007f10c55d3740
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x00007fff38bd16f0   r13 = 0x00007fff38bd16e0
r14 = 0x0000000000000001   r15 = 0x00007fff38bd16d0
rip = 0x00007f10b4060cf0
OS|Linux|0.0.0 Linux 4.15.0-42-generic #45-Ubuntu SMP Thu Nov 15 19:32:57 UTC 2018 x86_64
CPU|amd64|family 6 model 78 stepping 3|1
GPU|||
Crash|SIGSEGV /SEGV_MAPERR|0x0|0
0|0|libxul.so|mozilla::EditorDOMPointBase<nsCOMPtr<nsINode>, nsCOMPtr<nsIContent> >::operator mozilla::RangeBoundaryBase<nsINode*, nsIContent*> const() const|hg:hg.mozilla.org/mozilla-central:editor/libeditor/EditorDOMPoint.h:7ce7e9407a751e1047379635510c0acdc6486200|674|0x0
0|1|libxul.so|mozilla::HTMLEditRules::InsertBRElement(mozilla::EditorDOMPointBase<nsCOMPtr<nsINode>, nsCOMPtr<nsIContent> > const&)|hg:hg.mozilla.org/mozilla-central:editor/libeditor/HTMLEditRules.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1992|0xb
0|2|libxul.so|mozilla::HTMLEditRules::WillInsertParagraphSeparator()|hg:hg.mozilla.org/mozilla-central:editor/libeditor/HTMLEditRules.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1854|0xb
0|3|libxul.so|mozilla::HTMLEditRules::WillDoAction(mozilla::EditSubActionInfo&, bool*, bool*)|hg:hg.mozilla.org/mozilla-central:editor/libeditor/HTMLEditRules.cpp:7ce7e9407a751e1047379635510c0acdc6486200|682|0x8
0|4|libxul.so|mozilla::HTMLEditor::InsertParagraphSeparatorAsSubAction()|hg:hg.mozilla.org/mozilla-central:editor/libeditor/HTMLEditor.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1087|0x20
0|5|libxul.so|mozilla::HTMLEditor::InsertParagraphSeparatorAsAction()|hg:hg.mozilla.org/mozilla-central:editor/libeditor/HTMLEditor.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1064|0x8
0|6|libxul.so|mozilla::InsertParagraphCommand::DoCommand(char const*, nsISupports*)|hg:hg.mozilla.org/mozilla-central:editor/libeditor/EditorCommands.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1098|0x8
0|7|libxul.so|nsControllerCommandTable::DoCommand(char const*, nsISupports*)|hg:hg.mozilla.org/mozilla-central:dom/commandhandler/nsControllerCommandTable.cpp:7ce7e9407a751e1047379635510c0acdc6486200|140|0x17
0|8|libxul.so|nsBaseCommandController::DoCommand(char const*)|hg:hg.mozilla.org/mozilla-central:dom/commandhandler/nsBaseCommandController.cpp:7ce7e9407a751e1047379635510c0acdc6486200|123|0x18
0|9|libxul.so|nsCommandManager::DoCommand(char const*, nsICommandParams*, mozIDOMWindowProxy*)|hg:hg.mozilla.org/mozilla-central:dom/commandhandler/nsCommandManager.cpp:7ce7e9407a751e1047379635510c0acdc6486200|199|0x14
0|10|libxul.so|nsHTMLDocument::ExecCommand(nsTSubstring<char16_t> const&, bool, nsTSubstring<char16_t> const&, nsIPrincipal&, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/html/nsHTMLDocument.cpp:7ce7e9407a751e1047379635510c0acdc6486200|2813|0x22
0|11|libxul.so|mozilla::dom::HTMLDocument_Binding::execCommand|s3:gecko-generated-sources:4b782966054acb7b963adef67bacb5e94fb27bdf71bcb9e8ddd370daf6755c5d2901d3ac2b178621d3b2913ef9cda44f6a319b2975c5327b6f83d2a5912bbe06/dom/bindings/HTMLDocumentBinding.cpp:|619|0x2e
0|12|libxul.so|bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*)|hg:hg.mozilla.org/mozilla-central:dom/bindings/BindingUtils.cpp:7ce7e9407a751e1047379635510c0acdc6486200|3064|0x9
0|13|libxul.so|CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), JS::CallArgs const&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|443|0x6
0|14|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|535|0xf
0|15|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|590|0xd
0|16|libxul.so|Interpret|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|594|0xf
0|17|libxul.so|js::RunScript(JSContext*, js::RunState&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|423|0xb
0|18|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|563|0xf
0|19|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|590|0xd
0|20|libxul.so|js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7ce7e9407a751e1047379635510c0acdc6486200|606|0x5
0|21|libxul.so|JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>)|hg:hg.mozilla.org/mozilla-central:js/src/jsapi.cpp:7ce7e9407a751e1047379635510c0acdc6486200|2649|0x1c
0|22|libxul.so|mozilla::dom::EventListener::HandleEvent(JSContext*, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&)|s3:gecko-generated-sources:b504f583ed3111ab416617cd63caa012e7478d0516eb5d3bc3cd43cef007715c1a91854c0528b0ec8e85f6341ccebf73a1b2c32556687ebaf4023e3c38ff4197/dom/bindings/EventListenerBinding.cpp:|52|0x5
0|23|libxul.so|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*)|s3:gecko-generated-sources:f3d9c01258576daaac3afc4fb3b283652e7f1168abb5287eff6775451ebd0ab6a0e4c8d88d3a67f7147042501bc091c6dfed25b4b8ccf4e4f420897b8d0ba906/dist/include/mozilla/dom/EventListenerBinding.h:|66|0x1c
0|24|libxul.so|mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventListenerManager.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1040|0x1e
0|25|libxul.so|mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool)|hg:hg.mozilla.org/mozilla-central:dom/events/EventListenerManager.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1238|0x19
0|26|libxul.so|mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventListenerManager.h:7ce7e9407a751e1047379635510c0acdc6486200|351|0x6
0|27|libxul.so|mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7ce7e9407a751e1047379635510c0acdc6486200|584|0x12
0|28|libxul.so|mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1039|0x1a
0|29|libxul.so|mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1120|0x19
0|30|libxul.so|nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/base/nsINode.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1030|0x5
0|31|libxul.so|nsContentUtils::DispatchEvent(nsIDocument*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, mozilla::Trusted, bool*, mozilla::ChromeOnlyDispatch)|hg:hg.mozilla.org/mozilla-central:dom/base/nsContentUtils.cpp:7ce7e9407a751e1047379635510c0acdc6486200|4065|0x30
0|32|libxul.so|nsContentUtils::DispatchTrustedEvent(nsIDocument*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, bool*)|hg:hg.mozilla.org/mozilla-central:dom/base/nsContentUtils.cpp:7ce7e9407a751e1047379635510c0acdc6486200|4036|0x19
0|33|libxul.so|nsIDocument::DispatchContentLoadedEvents()|hg:hg.mozilla.org/mozilla-central:dom/base/nsDocument.cpp:7ce7e9407a751e1047379635510c0acdc6486200|4786|0x5
0|34|libxul.so|mozilla::detail::RunnableMethodImpl<nsIDocument*, void (nsIDocument::*)(), true, (mozilla::RunnableKind)0>::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.h:7ce7e9407a751e1047379635510c0acdc6486200|1106|0x13
0|35|libxul.so|mozilla::SchedulerGroup::Runnable::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/SchedulerGroup.cpp:7ce7e9407a751e1047379635510c0acdc6486200|299|0x15
0|36|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1157|0x11
0|37|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:7ce7e9407a751e1047379635510c0acdc6486200|468|0x11
0|38|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7ce7e9407a751e1047379635510c0acdc6486200|88|0xa
0|39|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|314|0x17
0|40|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|307|0x8
0|41|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:7ce7e9407a751e1047379635510c0acdc6486200|137|0xd
0|42|libxul.so|XRE_RunAppShell()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7ce7e9407a751e1047379635510c0acdc6486200|915|0x11
0|43|libxul.so|mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7ce7e9407a751e1047379635510c0acdc6486200|238|0x5
0|44|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|314|0x17
0|45|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|307|0x8
0|46|libxul.so|XRE_InitChildProcess(int, char**, XREChildData const*)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7ce7e9407a751e1047379635510c0acdc6486200|753|0xc
0|47|firefox-bin|content_process_main(mozilla::Bootstrap*, int, char**)|hg:hg.mozilla.org/mozilla-central:ipc/contentproc/plugin-container.cpp:7ce7e9407a751e1047379635510c0acdc6486200|49|0x14
0|48|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:7ce7e9407a751e1047379635510c0acdc6486200|265|0x11
0|49|libc-2.27.so||||0x21b97
0|50|firefox-bin|MOZ_ReportAssertionFailure|hg:hg.mozilla.org/mozilla-central:mfbt/Assertions.h:7ce7e9407a751e1047379635510c0acdc6486200|169|0x5

Comment 1

[Makoto Kato [:m_kato]]

P3 due to assertion only

Comment 2

[Jens Stutte [:jstutte]]

Hi John, please check if this is still happening and if yes, how to fix it. Thank you

Comment 3

[Bugmon [:jkratzer for issues]]

Bugmon Analysis:
Verified bug as reproducible on mozilla-central 20210224215151-69be3221f49a.

Comment 4

[Release mgmt bot [:suhaib / :marco/ :calixte]]

The bug assignee didn't login in Bugzilla in the last 7 months.
:hsinyi, could you have a look please?
For more information, please visit auto_nag documentation.