2089757 - Assertion failure: !aAncestor (We should have exited this loop earlier), at checkouts/gecko/layout/painting/nsDisplayList.cpp:1709

Status: VERIFIED FIXED

(Core :: Layout, defect)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

Found while fuzzing m-c 20261013-5a4718f5221d (--enable-debug --enable-fuzzing)

To reproduce via Grizzly Replay:

$ pip install fuzzfetch grizzly-framework --upgrade
$ python -m fuzzfetch -d --fuzzing -n firefox
$ python -m grizzly.replay.bugzilla ./firefox/firefox <bugid>

Assertion failure: !aAncestor (We should have exited this loop earlier), at checkouts/gecko/layout/painting/nsDisplayList.cpp:1709

#0 0x740e7655754a in MOZ_CrashSequence /builds/worker/workspace/obj-build/dist/include/mozilla/Assertions.h:261:3
#1 0x740e7655754a in mozilla::nsDisplayListBuilder::CreateClipChainIntersection(mozilla::DisplayItemClipChain const*, mozilla::DisplayItemClipChain const*, mozilla::DisplayItemClipChain const*) /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.cpp:1709:7
#2 0x740e7658b58b in GetCurrentCombinedClipChain /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/DisplayListClipState.cpp:23:41
#3 0x740e7658b58b in mozilla::nsDisplayItem::nsDisplayItem(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::ActiveScrolledRoot const*) /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.cpp:2686:38
#4 0x740e765bab95 in nsPaintedDisplayItem /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.h:3018:9
#5 0x740e765bab95 in nsPaintedDisplayItem /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.h:3013:9
#6 0x740e765bab95 in mozilla::nsDisplayBackgroundColor::nsDisplayBackgroundColor(mozilla::nsDisplayListBuilder*, nsIFrame*, nsRect const&, mozilla::ComputedStyle const*, unsigned int const&) /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.h:4475:9
#7 0x740e765ba98a in mozilla::nsDisplayBackgroundColor* mozilla::MakeDisplayItemWithIndex<mozilla::nsDisplayBackgroundColor, nsIFrame, nsRect&, mozilla::ComputedStyle const*&, unsigned int&>(mozilla::nsDisplayListBuilder*, nsIFrame*, unsigned short, nsRect&, mozilla::ComputedStyle const*&, unsigned int&) /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.h:2080:28
#8 0x740e7658d9bc in MakeDisplayItem<mozilla::nsDisplayBackgroundColor, nsIFrame, nsRect &, const mozilla::ComputedStyle *&, unsigned int &> /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.h:2126:10
#9 0x740e7658d9bc in CreateBackgroundColor /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.cpp:3157:10
#10 0x740e7658d9bc in mozilla::nsDisplayBackgroundImage::AppendBackgroundItemsToTop(mozilla::nsDisplayListBuilder*, nsIFrame*, nsRect const&, mozilla::nsDisplayList*, bool, nsRect const&, nsIFrame*, mozilla::Maybe<mozilla::nsDisplayListBuilder::AutoBuildingDisplayList>*) /builds/worker/workspace/obj-build/layout/painting/./../../../../checkouts/gecko/layout/painting/nsDisplayList.cpp:3293:40
#11 0x740e76370ee9 in nsIFrame::DisplayBackgroundUnconditional(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:2734:7
#12 0x740e762f28cd in nsIFrame::DisplayBorderBackgroundOutline(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:2758:21
#13 0x740e762da7c2 in nsBlockFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8514:3
#14 0x740e762f406b in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4714:12
#15 0x740e762dcb0f in DisplayLine(mozilla::nsDisplayListBuilder*, GenericLineListIterator<nsLineLink, false>&, bool, mozilla::nsDisplayListSet const&, nsBlockFrame*, mozilla::css::TextOverflow*, unsigned int, int, int&, bool&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8406:13
#16 0x740e762dae0f in nsBlockFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8671:11
#17 0x740e762f41d6 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4699:14
#18 0x740e7629985e in mozilla::ScrollContainerFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/ScrollContainerFrame.cpp:4238:7
#19 0x740e763732ee in nsIFrame::BuildDisplayListForStackingContext(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayList*, bool*) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:3669:5
#20 0x740e762f3cd4 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4663:12
#21 0x740e762dcb0f in DisplayLine(mozilla::nsDisplayListBuilder*, GenericLineListIterator<nsLineLink, false>&, bool, mozilla::nsDisplayListSet const&, nsBlockFrame*, mozilla::css::TextOverflow*, unsigned int, int, int&, bool&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8406:13
#22 0x740e762dae0f in nsBlockFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8671:11
#23 0x740e763732ee in nsIFrame::BuildDisplayListForStackingContext(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayList*, bool*) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:3669:5
#24 0x740e762f3cd4 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4663:12
#25 0x740e762dcb0f in DisplayLine(mozilla::nsDisplayListBuilder*, GenericLineListIterator<nsLineLink, false>&, bool, mozilla::nsDisplayListSet const&, nsBlockFrame*, mozilla::css::TextOverflow*, unsigned int, int, int&, bool&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8406:13
#26 0x740e762dae0f in nsBlockFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsBlockFrame.cpp:8671:11
#27 0x740e762f41d6 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4699:14
#28 0x740e762dffe8 in nsCanvasFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsCanvasFrame.cpp:392:5
#29 0x740e762f41d6 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4699:14
#30 0x740e7629985e in mozilla::ScrollContainerFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/ScrollContainerFrame.cpp:4238:7
#31 0x740e762f41d6 in nsIFrame::BuildDisplayListForChild(mozilla::nsDisplayListBuilder*, nsIFrame*, mozilla::nsDisplayListSet const&, mozilla::EnumSet<nsIFrame::DisplayChildFlag, unsigned int>) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:4699:14
#32 0x740e762b28a9 in mozilla::ViewportFrame::BuildDisplayList(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayListSet const&) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/ViewportFrame.cpp:80:3
#33 0x740e763732ee in nsIFrame::BuildDisplayListForStackingContext(mozilla::nsDisplayListBuilder*, mozilla::nsDisplayList*, bool*) /builds/worker/workspace/obj-build/layout/generic/./../../../../checkouts/gecko/layout/generic/nsIFrame.cpp:3669:5
#34 0x740e76220fae in nsLayoutUtils::PaintFrame(gfxContext*, nsIFrame*, nsRegion const&, unsigned int, mozilla::nsDisplayListBuilderMode, nsLayoutUtils::PaintFrameFlags) /builds/worker/workspace/obj-build/layout/base/./../../../../checkouts/gecko/layout/base/nsLayoutUtils.cpp:3295:15
#35 0x740e761a19c0 in mozilla::PresShell::PaintInternal(nsIFrame*, mozilla::WindowRenderer*, mozilla::PaintInternalFlags) /builds/worker/workspace/obj-build/layout/base/./../../../../checkouts/gecko/layout/base/PresShell.cpp:6816:5
#36 0x740e761b8ff4 in mozilla::PresShell::PaintSynchronously() /builds/worker/workspace/obj-build/layout/base/./../../../../checkouts/gecko/layout/base/PresShell.cpp:12731:3
#37 0x740e7615ab64 in nsRefreshDriver::PaintIfNeeded() /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:2675:9
#38 0x740e7615a3d7 in operator() /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:2590:60
#39 0x740e7615a3d7 in void nsRefreshDriver::RunRenderingPhaseLegacy<nsRefreshDriver::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp, nsRefreshDriver::IsExtraTick)::$_14>(mozilla::RenderingPhase, nsRefreshDriver::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp, nsRefreshDriver::IsExtraTick)::$_14&&) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:1289:3
#40 0x740e76153a60 in nsRefreshDriver::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp, nsRefreshDriver::IsExtraTick) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:2588:3
#41 0x740e7615ef61 in TickDriver /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:365:13
#42 0x740e7615ef61 in mozilla::RefreshDriverTimer::TickRefreshDrivers(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp, nsTArray<RefPtr<nsRefreshDriver>>&) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:343:7
#43 0x740e7615ee60 in mozilla::RefreshDriverTimer::Tick(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:359:5
#44 0x740e7615ed0d in mozilla::VsyncRefreshDriverTimer::RunRefreshDrivers(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:954:5
#45 0x740e7615e32a in mozilla::VsyncRefreshDriverTimer::TickRefreshDriver(mozilla::layers::BaseTransactionId<mozilla::VsyncIdType>, mozilla::TimeStamp) /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:864:5
#46 0x740e7615d686 in mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::NotifyVsyncTimerOnMainThread() /builds/worker/checkouts/gecko/layout/base/nsRefreshDriver.cpp:587:14
#47 0x740e753e769b in mozilla::dom::VsyncMainChild::RecvNotify(mozilla::VsyncEvent const&, float const&) /builds/worker/checkouts/gecko/dom/ipc/VsyncMainChild.cpp:64:15
#48 0x740e75694969 in mozilla::dom::PVsyncChild::OnMessageReceived(IPC::Message const&) /builds/worker/workspace/obj-build/dom/ipc/./../../ipc/ipdl/PVsyncChild.cpp:241:94
#49 0x740e7092390c in mozilla::ipc::PBackgroundChild::OnMessageReceived(IPC::Message const&) /builds/worker/workspace/obj-build/ipc/glue/./../ipdl/PBackgroundChild.cpp:4949:32
#50 0x740e708b9e0e in mozilla::ipc::MessageChannel::DispatchAsyncMessage(mozilla::ipc::ActorLifecycleProxy*, IPC::Message const&) /builds/worker/workspace/obj-build/ipc/glue/./../../../../checkouts/gecko/ipc/glue/MessageChannel.cpp:1797:25
#51 0x740e708b7394 in mozilla::ipc::MessageChannel::DispatchMessage(mozilla::ipc::ActorLifecycleProxy*, std::unique_ptr<IPC::Message, std::default_delete<IPC::Message>>) /builds/worker/workspace/obj-build/ipc/glue/./../../../../checkouts/gecko/ipc/glue/MessageChannel.cpp:1723:9
#52 0x740e708b7d97 in mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::ActorLifecycleProxy*, mozilla::ipc::MessageChannel::MessageTask&) /builds/worker/workspace/obj-build/ipc/glue/./../../../../checkouts/gecko/ipc/glue/MessageChannel.cpp:1512:3
#53 0x740e708b8d79 in mozilla::ipc::MessageChannel::MessageTask::Run() /builds/worker/workspace/obj-build/ipc/glue/./../../../../checkouts/gecko/ipc/glue/MessageChannel.cpp:1614:14
#54 0x740e707895c7 in mozilla::RunnableTask::Run() /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:756:16
#55 0x740e7077e505 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:1401:20
#56 0x740e7077d007 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:1221:15
#57 0x740e7077d475 in mozilla::TaskController::ProcessPendingMTTask(bool) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:692:36
#58 0x740e70788d49 in operator() /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/TaskController.cpp:383:37
#59 0x740e70788d49 in mozilla::detail::RunnableFunction<mozilla::TaskController::TaskController()::$_1>::Run() /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.h:535:5
#60 0x740e7079e4b3 in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/nsThread.cpp:1319:16
#61 0x740e707a3d8f in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/workspace/obj-build/xpcom/threads/./../../../../checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:471:32
#62 0x740e71ef697c in SpinEventLoopUntil<(mozilla::ProcessFailureBehavior)1, (lambda at ./../../../../checkouts/gecko/dom/base/FuzzingFunctions.cpp:408:22)> /builds/worker/workspace/obj-build/dist/include/mozilla/SpinEventLoopUntil.h:174:25
#63 0x740e71ef697c in mozilla::dom::FuzzingFunctions::SpinEventLoopFor(mozilla::dom::GlobalObject const&, unsigned int) /builds/worker/workspace/obj-build/dom/base/./../../../../checkouts/gecko/dom/base/FuzzingFunctions.cpp:407:3
#64 0x740e732f22ec in mozilla::dom::FuzzingFunctions_Binding::spinEventLoopFor(JSContext*, unsigned int, JS::Value*) /builds/worker/workspace/obj-build/dom/bindings/./FuzzingFunctionsBinding.cpp:304:3
#65 0x740e78350ee4 in CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:530:13
#66 0x740e783507fd in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:626:12
#67 0x740e778c115c in js::jit::DoCallFallback(JSContext*, js::jit::BaselineFrame*, js::jit::ICFallbackStub*, unsigned int, JS::Value*, JS::MutableHandle<JS::Value>) /builds/worker/workspace/obj-build/js/src/jit/./../../../../../checkouts/gecko/js/src/jit/BaselineIC.cpp:1717:10
#68 0x1e7441b7800e  ([anon:js-executable-memory]+0xc00e)

Comment 1

[Bugmon [:jkratzer for issues]]

Verified bug as reproducible on mozilla-central 20261105205004-ab3ff1cb2d01.
The bug appears to have been introduced in the following build range:

Start: 08da267d7b15e95a7434aa33753183712018c057 (20260728003211)
End: 2992bbf37bbe853523c3ac9eee7406842441f3c7 (20260728003512)
Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=08da267d7b15e95a7434aa33753183712018c057&tochange=2992bbf37bbe853523c3ac9eee7406842441f3c7

Comment 2

[Timothy Nikkel (:tnikkel)]

From that pushlog probably bug 2056610, but not really that bugs fault, the issue lies with it enabling us to hit this issue in existing code is my guess.

Comment 3

[BugBot [:suhaib / :marco]]

Set release status flags based on info from the regressing bug 2056610

:emilio, since you are the author of the regressor, bug 2056610, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Comment 4

[Timothy Nikkel (:tnikkel)]

Probably not Emilio's fault.

Comment 5

[Timothy Nikkel (:tnikkel)]

Looks like I was wrong. This seems to be a layout bug and not a web painting bug.

Comment 6

[Timothy Nikkel (:tnikkel)]

Attachment: Bug 2089757. Use the scrolled frame of a positioned listbox select as the abspos containing block when inserting content. r?#layout-reviewers

https://searchfox.org/firefox-main/rev/935e9f7e39fcb9d738d3ac064905dcf4cc0c9cfc/layout/base/nsCSSFrameConstructor.cpp#5364

GetAbsoluteContainingBlock redirects scroll containers to their scrolled frame,
but it checks IsScrollContainerFrame, which is false for nsListControlFrame. So
for an abspos element inserted into a positioned listbox select we skip the
select and use the document element's containing block. Initial frame
construction makes the scrolled frame the containing block, so the result
depended on whether the element was there from the start.

Since bug 2056610 we render arbitrary content in listboxes, so this is
reachable. With a fixed pos select, the abspos element's saved clip chain is
relative to the root scroll frame while its placeholder is inside the select,
and building its display items asserts in CreateClipChainIntersection.

Comment 7

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/9c2d7565bffe
https://hg.mozilla.org/integration/autoland/rev/992daa580ee6
Use the scrolled frame of a positioned listbox select as the abspos containing block when inserting content. r=layout-reviewers,jwatt

Comment 8

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/64854 for changes under testing/web-platform/tests

Comment 9

[Cristian Tuns]

https://hg.mozilla.org/mozilla-central/rev/992daa580ee6

Comment 10

[Web Platform Test Sync Bot [:wpt-sync] (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot

Comment 11

[Bugmon [:jkratzer for issues]]

Verified bug as fixed on rev mozilla-central 20261106171655-fd24fdb5b029.
Removing bugmon keyword as no further action possible. Please review the bug and re-add the keyword for further analysis.