Open Bug 1781809 Opened 2 years ago Updated 1 year ago

Crash [@ SubgridAccumulatedMarginBorderPadding]

Categories

(Core :: Layout, defect)

Product:
Core
Component:
Layout
Platform:
x86_64
Linux
Type:
defect

Tracking

()

People

(Reporter: jkratzer, Unassigned)

References

(Blocks 1 open bug)

Details

(Keywords: testcase, Whiteboard: [bugmon:bisected,confirmed])

Crash Data

Attachments

(1 file)

Testcase
493 bytes, text/plain
Details

Testcase found while fuzzing mozilla-central rev b2f38ca819ab (built with: --enable-debug --enable-fuzzing).

Testcase can be reproduced using the following commands:

$ pip install fuzzfetch grizzly-framework
$ python -m fuzzfetch --build b2f38ca819ab --debug --fuzzing -n firefox
$ python -m grizzly.replay ./firefox/firefox testcase.html

[@ SubgridAccumulatedMarginBorderPadding]

    ==20155==ERROR: UndefinedBehaviorSanitizer: SEGV on unknown address 0x000000000014 (pc 0x7f95e145231f bp 0x7fffbb860420 sp 0x7fffbb860340 T20155)
    ==20155==The signal is caused by a READ memory access.
    ==20155==Hint: address points to the zero page.
        #0 0x7f95e145231f in SubgridAccumulatedMarginBorderPadding(nsIFrame*, nsGridContainerFrame::Subgrid const*, mozilla::WritingMode, mozilla::LogicalAxis) /builds/worker/workspace/obj-build/dist/include/mozilla/WritingModes.h
        #1 0x7f95e144d045 in nsGridContainerFrame::Tracks::ResolveIntrinsicSize(nsGridContainerFrame::GridReflowInput&, nsTArray<nsGridContainerFrame::GridItemInfo>&, nsGridContainerFrame::TrackSizingFunctions const&, nsGridContainerFrame::LineRange nsGridContainerFrame::GridArea::*, int, nsGridContainerFrame::SizingConstraint) /layout/generic/nsGridContainerFrame.cpp:6222:27
        #2 0x7f95e14421b0 in CalculateSizes /layout/generic/nsGridContainerFrame.cpp:5513:3
        #3 0x7f95e14421b0 in nsGridContainerFrame::GridReflowInput::CalculateTrackSizesForAxis(mozilla::LogicalAxis, nsGridContainerFrame::Grid const&, int, nsGridContainerFrame::SizingConstraint) /layout/generic/nsGridContainerFrame.cpp:3675:12
        #4 0x7f95e145ec6f in CalculateTrackSizes /layout/generic/nsGridContainerFrame.cpp:3714:3
        #5 0x7f95e145ec6f in nsGridContainerFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:8599:21
        #6 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #7 0x7f95e14582e5 in nsGridContainerFrame::ReflowInFlowChild(nsIFrame*, nsGridContainerFrame::GridItemInfo const*, nsSize, mozilla::Maybe<int> const&, nsGridContainerFrame::Fragmentainer const*, nsGridContainerFrame::GridReflowInput const&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:7381:3
        #8 0x7f95e145a426 in nsGridContainerFrame::ReflowRowsInFragmentainer(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&, nsGridContainerFrame::Fragmentainer&, nsSize const&, nsTArray<nsGridContainerFrame::GridItemInfo const*> const&, unsigned int, unsigned int, int, int) /layout/generic/nsGridContainerFrame.cpp:7772:5
        #9 0x7f95e14599b4 in nsGridContainerFrame::ReflowInFragmentainer(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&, nsGridContainerFrame::Fragmentainer&, nsSize const&) /layout/generic/nsGridContainerFrame.cpp:7660:10
        #10 0x7f95e145dceb in nsGridContainerFrame::ReflowChildren(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, nsSize const&, mozilla::ReflowOutput&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:8464:13
        #11 0x7f95e145f3c5 in nsGridContainerFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:8698:11
        #12 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #13 0x7f95e14582e5 in nsGridContainerFrame::ReflowInFlowChild(nsIFrame*, nsGridContainerFrame::GridItemInfo const*, nsSize, mozilla::Maybe<int> const&, nsGridContainerFrame::Fragmentainer const*, nsGridContainerFrame::GridReflowInput const&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:7381:3
        #14 0x7f95e145a426 in nsGridContainerFrame::ReflowRowsInFragmentainer(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&, nsGridContainerFrame::Fragmentainer&, nsSize const&, nsTArray<nsGridContainerFrame::GridItemInfo const*> const&, unsigned int, unsigned int, int, int) /layout/generic/nsGridContainerFrame.cpp:7772:5
        #15 0x7f95e14599b4 in nsGridContainerFrame::ReflowInFragmentainer(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, mozilla::ReflowOutput&, nsReflowStatus&, nsGridContainerFrame::Fragmentainer&, nsSize const&) /layout/generic/nsGridContainerFrame.cpp:7660:10
        #16 0x7f95e145dceb in nsGridContainerFrame::ReflowChildren(nsGridContainerFrame::GridReflowInput&, mozilla::LogicalRect const&, nsSize const&, mozilla::ReflowOutput&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:8464:13
        #17 0x7f95e145f3c5 in nsGridContainerFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsGridContainerFrame.cpp:8698:11
        #18 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #19 0x7f95e13d143d in nsCanvasFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsCanvasFrame.cpp:793:7
        #20 0x7f95e13a2d86 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1045:14
        #21 0x7f95e14e0021 in nsPageContentFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsPageContentFrame.cpp:74:5
        #22 0x7f95e13a2d86 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1045:14
        #23 0x7f95e14e2552 in nsPageFrame::ReflowPageContent(nsPresContext*, mozilla::ReflowInput const&) /layout/generic/nsPageFrame.cpp:186:3
        #24 0x7f95e14e2e20 in nsPageFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsPageFrame.cpp:209:13
        #25 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #26 0x7f95e137e264 in mozilla::PrintedSheetFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/PrintedSheetFrame.cpp:132:5
        #27 0x7f95e13a2d86 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1045:14
        #28 0x7f95e14e687d in nsPageSequenceFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsPageSequenceFrame.cpp:370:5
        #29 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #30 0x7f95e13d143d in nsCanvasFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsCanvasFrame.cpp:793:7
        #31 0x7f95e13d2395 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, mozilla::WritingMode const&, mozilla::LogicalPoint const&, nsSize const&, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1005:14
        #32 0x7f95e141e529 in nsHTMLScrollFrame::ReflowScrolledFrame(mozilla::ScrollReflowInput&, bool, bool, mozilla::ReflowOutput*) /layout/generic/nsGfxScrollFrame.cpp:838:3
        #33 0x7f95e141f11f in nsHTMLScrollFrame::ReflowContents(mozilla::ScrollReflowInput&, mozilla::ReflowOutput const&) /layout/generic/nsGfxScrollFrame.cpp:974:3
        #34 0x7f95e1423663 in nsHTMLScrollFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/nsGfxScrollFrame.cpp:1399:3
        #35 0x7f95e13a2d86 in nsContainerFrame::ReflowChild(nsIFrame*, nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, int, int, nsIFrame::ReflowChildFlags, nsReflowStatus&, nsOverflowContinuationTracker*) /layout/generic/nsContainerFrame.cpp:1045:14
        #36 0x7f95e13a24ea in mozilla::ViewportFrame::Reflow(nsPresContext*, mozilla::ReflowOutput&, mozilla::ReflowInput const&, nsReflowStatus&) /layout/generic/ViewportFrame.cpp:375:7
        #37 0x7f95e129db39 in mozilla::PresShell::DoReflow(nsIFrame*, bool, mozilla::OverflowChangedTracker*) /layout/base/PresShell.cpp:9577:11
        #38 0x7f95e12a7d8f in mozilla::PresShell::ProcessReflowCommands(bool) /layout/base/PresShell.cpp:9749:24
        #39 0x7f95e12a7196 in mozilla::PresShell::DoFlushPendingNotifications(mozilla::ChangesToFlush) /layout/base/PresShell.cpp:4348:11
        #40 0x7f95e171bc35 in nsPrintJob::ReflowPrintObject(mozilla::UniquePtr<nsPrintObject, mozilla::DefaultDelete<nsPrintObject> > const&) /layout/printing/nsPrintJob.cpp:1391:14
        #41 0x7f95e171b10a in nsPrintJob::ReflowDocList(mozilla::UniquePtr<nsPrintObject, mozilla::DefaultDelete<nsPrintObject> > const&) /layout/printing/nsPrintJob.cpp:968:3
        #42 0x7f95e1718297 in nsPrintJob::InitPrintDocConstruction(bool) /layout/printing/nsPrintJob.cpp:1007:5
        #43 0x7f95e171722b in nsPrintJob::DoCommonPrint(bool, nsIPrintSettings*, nsIWebProgressListener*, mozilla::dom::Document&) /layout/printing/nsPrintJob.cpp:456:3
        #44 0x7f95e17185a4 in CommonPrint /layout/printing/nsPrintJob.cpp:343:17
        #45 0x7f95e17185a4 in nsPrintJob::PrintPreview(mozilla::dom::Document&, nsIPrintSettings*, nsIWebProgressListener*, std::function<void (mozilla::dom::PrintPreviewResultInfo const&)>&&) /layout/printing/nsPrintJob.cpp:477:17
        #46 0x7f95e13251dc in nsDocumentViewer::PrintPreview(nsIPrintSettings*, nsIWebProgressListener*, std::function<void (mozilla::dom::PrintPreviewResultInfo const&)>&&) /layout/base/nsDocumentViewer.cpp:2978:27
        #47 0x7f95dd9f0737 in nsGlobalWindowOuter::Print(nsIPrintSettings*, mozilla::layout::RemotePrintJobChild*, nsIWebProgressListener*, nsIDocShell*, nsGlobalWindowOuter::IsPreview, nsGlobalWindowOuter::IsForWindowDotPrint, std::function<void (mozilla::dom::PrintPreviewResultInfo const&)>&&, mozilla::ErrorResult&) /dom/base/nsGlobalWindowOuter.cpp:5279:33
        #48 0x7f95dd9a7bdd in nsGlobalWindowInner::PrintPreview(nsIPrintSettings*, nsIWebProgressListener*, nsIDocShell*, mozilla::ErrorResult&) /dom/base/nsGlobalWindowInner.cpp:3905:3
        #49 0x7f95deb9fa42 in mozilla::dom::Window_Binding::printPreview(JSContext*, JS::Handle<JSObject*>, void*, JSJitMethodCallArgs const&) /builds/worker/workspace/obj-build/dom/bindings/WindowBinding.cpp:3199:59
        #50 0x7f95df16dab0 in bool mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::MaybeCrossOriginObjectThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) /dom/bindings/BindingUtils.cpp:3285:13
        #51 0x7f95e467bdf0 in CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&) /js/src/vm/Interpreter.cpp:417:13
        #52 0x7f95e467b64a in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /js/src/vm/Interpreter.cpp:505:12
        #53 0x7f95e4672b07 in CallFromStack /js/src/vm/Interpreter.cpp:577:10
        #54 0x7f95e4672b07 in Interpret(JSContext*, js::RunState&) /js/src/vm/Interpreter.cpp:3325:16
        #55 0x7f95e4669f92 in js::RunScript(JSContext*, js::RunState&) /js/src/vm/Interpreter.cpp:389:13
        #56 0x7f95e467b546 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /js/src/vm/Interpreter.cpp:537:13
        #57 0x7f95e467cb18 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /js/src/vm/Interpreter.cpp:604:8
        #58 0x7f95e332f401 in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) /js/src/vm/CallAndConstruct.cpp:117:10
        #59 0x7f95dee87769 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:62:8
        #60 0x7f95df6e27b6 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:65:12
        #61 0x7f95df6e24dd in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) /dom/events/EventListenerManager.cpp:1310:43
        #62 0x7f95df6e3187 in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) /dom/events/EventListenerManager.cpp:1506:17
        #63 0x7f95df6d80c4 in HandleEvent /dom/events/EventListenerManager.h:395:5
        #64 0x7f95df6d80c4 in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) /dom/events/EventDispatcher.cpp:348:17
        #65 0x7f95df6d7612 in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /dom/events/EventDispatcher.cpp:550:16
        #66 0x7f95df6d9eb1 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) /dom/events/EventDispatcher.cpp:1119:11
        #67 0x7f95e131d8c3 in nsDocumentViewer::LoadComplete(nsresult) /layout/base/nsDocumentViewer.cpp:1083:7
        #68 0x7f95e291b684 in nsDocShell::EndPageLoad(nsIWebProgress*, nsIChannel*, nsresult) /docshell/base/nsDocShell.cpp:6426:20
        #69 0x7f95e291b13b in nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /docshell/base/nsDocShell.cpp:5818:7
        #70 0x7f95e291bfef in non-virtual thunk to nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /docshell/base/nsDocShell.cpp
        #71 0x7f95dd0705bc in nsDocLoader::DoFireOnStateChange(nsIWebProgress*, nsIRequest*, int&, nsresult) /uriloader/base/nsDocLoader.cpp:1377:3
        #72 0x7f95dd06fafa in nsDocLoader::doStopDocumentLoad(nsIRequest*, nsresult) /uriloader/base/nsDocLoader.cpp:975:14
        #73 0x7f95dd06ddb1 in nsDocLoader::DocLoaderIsEmpty(bool, mozilla::Maybe<nsresult> const&) /uriloader/base/nsDocLoader.cpp:794:9
        #74 0x7f95dd06ef98 in nsDocLoader::OnStopRequest(nsIRequest*, nsresult) /uriloader/base/nsDocLoader.cpp:677:5
        #75 0x7f95e293d05d in nsDocShell::OnStopRequest(nsIRequest*, nsresult) /docshell/base/nsDocShell.cpp:13827:23
        #76 0x7f95dc384470 in mozilla::net::nsLoadGroup::NotifyRemovalObservers(nsIRequest*, nsresult) /netwerk/base/nsLoadGroup.cpp:614:22
        #77 0x7f95dc385983 in mozilla::net::nsLoadGroup::RemoveRequest(nsIRequest*, nsISupports*, nsresult) /netwerk/base/nsLoadGroup.cpp:518:10
        #78 0x7f95ddb64fdd in mozilla::dom::Document::DoUnblockOnload() /dom/base/Document.cpp:11666:18
        #79 0x7f95ddb2f6ef in mozilla::dom::Document::UnblockOnload(bool) /dom/base/Document.cpp:11604:9
        #80 0x7f95ddb4b900 in mozilla::dom::Document::DispatchContentLoadedEvents() /dom/base/Document.cpp:8139:3
        #81 0x7f95ddbfedab in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1147:12
        #82 0x7f95ddbfedab in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1153:12
        #83 0x7f95ddbfedab 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:1200:13
        #84 0x7f95dc17b0c2 in mozilla::SchedulerGroup::Runnable::Run() /xpcom/threads/SchedulerGroup.cpp:140:20
        #85 0x7f95dc1acd7e in mozilla::RunnableTask::Run() /xpcom/threads/TaskController.cpp:538:16
        #86 0x7f95dc1854a9 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /xpcom/threads/TaskController.cpp:851:26
        #87 0x7f95dc184033 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /xpcom/threads/TaskController.cpp:683:15
        #88 0x7f95dc1842a3 in mozilla::TaskController::ProcessPendingMTTask(bool) /xpcom/threads/TaskController.cpp:461:36
        #89 0x7f95dc1b05d6 in operator() /xpcom/threads/TaskController.cpp:187:37
        #90 0x7f95dc1b05d6 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:531:5
        #91 0x7f95dc199eef in nsThread::ProcessNextEvent(bool, bool*) /xpcom/threads/nsThread.cpp:1205:16
        #92 0x7f95dc1a04fd in NS_ProcessNextEvent(nsIThread*, bool) /xpcom/threads/nsThreadUtils.cpp:465:10
        #93 0x7f95dcd70916 in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /ipc/glue/MessagePump.cpp:85:21
        #94 0x7f95dcc95ca7 in MessageLoop::RunInternal() /ipc/chromium/src/base/message_loop.cc:380:10
        #95 0x7f95dcc95bb2 in RunHandler /ipc/chromium/src/base/message_loop.cc:373:3
        #96 0x7f95dcc95bb2 in MessageLoop::Run() /ipc/chromium/src/base/message_loop.cc:355:3
        #97 0x7f95e0f442c8 in nsBaseAppShell::Run() /widget/nsBaseAppShell.cpp:150:27
        #98 0x7f95e306f6db in XRE_RunAppShell() /toolkit/xre/nsEmbedFunctions.cpp:875:20
        #99 0x7f95dcd7180a in mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) /ipc/glue/MessagePump.cpp:235:9
        #100 0x7f95dcc95ca7 in MessageLoop::RunInternal() /ipc/chromium/src/base/message_loop.cc:380:10
        #101 0x7f95dcc95bb2 in RunHandler /ipc/chromium/src/base/message_loop.cc:373:3
        #102 0x7f95dcc95bb2 in MessageLoop::Run() /ipc/chromium/src/base/message_loop.cc:355:3
        #103 0x7f95e306ecfc in XRE_InitChildProcess(int, char**, XREChildData const*) /toolkit/xre/nsEmbedFunctions.cpp:734:34
        #104 0x55fdc0fb9120 in content_process_main /browser/app/../../ipc/contentproc/plugin-container.cpp:57:28
        #105 0x55fdc0fb9120 in main /browser/app/nsBrowserApp.cpp:346:18
        #106 0x7f95f2fac082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/../csu/libc-start.c:308:16
        #107 0x55fdc0f8eecc in _start (/home/jkratzer/builds/mc-debug/firefox-bin+0x15ecc) (BuildId: 0c4e9a144c714c06ab3dcbf1f3855efd1b5bff93)
    
    UndefinedBehaviorSanitizer can not provide additional info.
    SUMMARY: UndefinedBehaviorSanitizer: SEGV /builds/worker/workspace/obj-build/dist/include/mozilla/WritingModes.h in SubgridAccumulatedMarginBorderPadding(nsIFrame*, nsGridContainerFrame::Subgrid const*, mozilla::WritingMode, mozilla::LogicalAxis)
    ==20155==ABORTING
Attached file Testcase — 

    
    

    
  
Bugmon Analysis

Verified bug as reproducible on mozilla-central 20220727093731-b2f38ca819ab.

Unable to bisect testcase (Testcase reproduces on start build!):




Start: 3c400600dbb22fbc2ff9acdf175d9bdf663c09df (20210728094336)

End: b2f38ca819abdcc61dcd6451707cac2f5861b9e3 (20220727093731)

BuildFlags: BuildFlags(asan=False, tsan=False, debug=True, fuzzing=True, coverage=False, valgrind=False, no_opt=False, fuzzilli=False, nyx=False)




Whiteboard: [bugmon:confirm] → [bugmon:bisected,confirmed]

    
    

    
  
Looks like a null-deref, which should at least be a reasonably safe crash.


Jason, any chance of a pernosco trace of this? That might make it easy to find the origin of the unexpected nullptr.


Severity: -- → S3
Flags: needinfo?(jkratzer)

    
    

    
  
:jfkthame, you can find a pernosco session for this bug here.


Flags: needinfo?(jkratzer)

    
    

    
  
Unable to reproduce bug 1781809 using build mozilla-central 20220727093731-b2f38ca819ab.  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.


Keywords: bugmon

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