1596487 - Assertion failure: [GFX1]: RGBX pixel at (0,0) in 1200x150 surface is not opaque: 0,0,0,0, at /builds/worker/workspace/build/src/gfx/2d/Logging.h:740

Status: NEW

(Core :: Graphics: Canvas2D, defect, P3)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev caf55914ccdd.

Assertion failure: [GFX1]: RGBX pixel at (0,0) in 1200x150 surface is not opaque: 0,0,0,0, at /builds/worker/workspace/build/src/gfx/2d/Logging.h:740

rax = 0x000056014e77b340   rdx = 0x0000000000000000
rcx = 0x00007fd8936c99b0   rbx = 0x00007fff5538cfc8
rsi = 0x00007fd89f3898b0   rdi = 0x00007fd89f388680
rbp = 0x00007fff5538cf40   rsp = 0x00007fff5538cf40
r8 = 0x00007fd89f3898b0    r9 = 0x00007fd8a04f2780
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x00007fff5538cf58   r13 = 0x00007fff5538cfe0
r14 = 0x00007fd884cb4000   r15 = 0x0000000000000000
rip = 0x00007fd88d8881bd
OS|Linux|0.0.0 Linux 5.0.0-31-generic #33~18.04.1-Ubuntu SMP Tue Oct 1 10:20:39 UTC 2019 x86_64
CPU|amd64|family 6 model 94 stepping 3|1
GPU|||
Crash|SIGSEGV|0x0|0
0|0|libxul.so|mozilla::gfx::Log<3, mozilla::gfx::BasicLogger>::WriteLog(std::string const&)|hg:hg.mozilla.org/mozilla-central:gfx/2d/Logging.h:caf55914ccddba34d462a1206530d7868b6c4992|741|0x29
0|1|libxul.so|mozilla::gfx::Log<1, mozilla::gfx::CriticalLogger>::Flush()|hg:hg.mozilla.org/mozilla-central:gfx/2d/Logging.h:caf55914ccddba34d462a1206530d7868b6c4992|739|0x12
0|2|libxul.so|mozilla::gfx::VerifyRGBXFormat|hg:hg.mozilla.org/mozilla-central:gfx/2d/Logging.h:caf55914ccddba34d462a1206530d7868b6c4992|272|0x8
0|3|libxul.so|mozilla::gfx::DrawTargetSkia::OptimizeSourceSurface(mozilla::gfx::SourceSurface*) const|hg:hg.mozilla.org/mozilla-central:gfx/2d/DrawTargetSkia.cpp:caf55914ccddba34d462a1206530d7868b6c4992|1590|0x19
0|4|libxul.so|nsLayoutUtils::SurfaceFromElement(mozilla::dom::HTMLVideoElement*, unsigned int, RefPtr<mozilla::gfx::DrawTarget>&)|hg:hg.mozilla.org/mozilla-central:layout/base/nsLayoutUtils.cpp:caf55914ccddba34d462a1206530d7868b6c4992|7690|0x1f
0|5|libxul.so|nsLayoutUtils::SurfaceFromElement(mozilla::dom::Element*, unsigned int, RefPtr<mozilla::gfx::DrawTarget>&)|hg:hg.mozilla.org/mozilla-central:layout/base/nsLayoutUtils.cpp:caf55914ccddba34d462a1206530d7868b6c4992|7719|0xb
0|6|libxul.so|mozilla::dom::CanvasRenderingContext2D::CreatePattern(mozilla::dom::HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap const&, nsTSubstring<char16_t> const&, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/canvas/CanvasRenderingContext2D.cpp:caf55914ccddba34d462a1206530d7868b6c4992|2168|0x1c
0|7|libxul.so|mozilla::dom::CanvasRenderingContext2D_Binding::createPattern|s3:gecko-generated-sources:26d2883906c71650a479569d8c5e8563ce2829976138a9116e8176d225c7fd262fa8f8e62bd5716a2a71d720c1523c40b43d8a640aa250e1b2a2b99b41406da2/dom/bindings/CanvasRenderingContext2DBinding.cpp:|3826|0x2a
0|8|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:caf55914ccddba34d462a1206530d7868b6c4992|3218|0x24
0|9|libxul.so|CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), js::CallReason, JS::CallArgs const&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|456|0x15
0|10|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|548|0x15
0|11|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|617|0x10
0|12|libxul.so|Interpret|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|621|0x15
0|13|libxul.so|js::RunScript(JSContext*, js::RunState&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|423|0xb
0|14|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|589|0x13
0|15|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|617|0x10
0|16|libxul.so|js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:caf55914ccddba34d462a1206530d7868b6c4992|634|0x8
0|17|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:caf55914ccddba34d462a1206530d7868b6c4992|2718|0x1f
0|18|libxul.so|mozilla::dom::EventListener::HandleEvent(JSContext*, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&)|s3:gecko-generated-sources:9ca8646d8042e9b4b76d2e1b358b984be17743b71b832c0897d61bb500e0fecbe38fa54273dc522878c87fcb2c9bfd274a8190c7bc56fbbb58cb3ca68462e527/dom/bindings/EventListenerBinding.cpp:|52|0x5
0|19|libxul.so|mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*)|s3:gecko-generated-sources:f3d9c01258576daaac3afc4fb3b283652e7f1168abb5287eff6775451ebd0ab6a0e4c8d88d3a67f7147042501bc091c6dfed25b4b8ccf4e4f420897b8d0ba906/dist/include/mozilla/dom/EventListenerBinding.h:|66|0x1c
0|20|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:caf55914ccddba34d462a1206530d7868b6c4992|1231|0x19
0|21|libxul.so|mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:caf55914ccddba34d462a1206530d7868b6c4992|351|0x6
0|22|libxul.so|mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:caf55914ccddba34d462a1206530d7868b6c4992|551|0x12
0|23|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:caf55914ccddba34d462a1206530d7868b6c4992|1050|0x1a
0|24|libxul.so|mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:caf55914ccddba34d462a1206530d7868b6c4992|1150|0x19
0|25|libxul.so|nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/base/nsINode.cpp:caf55914ccddba34d462a1206530d7868b6c4992|1139|0x5
0|26|libxul.so|nsContentUtils::DispatchEvent(mozilla::dom::Document*, 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:caf55914ccddba34d462a1206530d7868b6c4992|4013|0x30
0|27|libxul.so|nsContentUtils::DispatchTrustedEvent(mozilla::dom::Document*, nsISupports*, nsTSubstring<char16_t> const&, mozilla::CanBubble, mozilla::Cancelable, mozilla::Composed, bool*)|hg:hg.mozilla.org/mozilla-central:dom/base/nsContentUtils.cpp:caf55914ccddba34d462a1206530d7868b6c4992|3984|0x19
0|28|libxul.so|mozilla::dom::Document::DispatchContentLoadedEvents()|hg:hg.mozilla.org/mozilla-central:dom/base/Document.cpp:caf55914ccddba34d462a1206530d7868b6c4992|7009|0x40
0|29|libxul.so|mozilla::detail::RunnableMethodImpl<mozilla::dom::Document*, void (mozilla::dom::Document::*)(), true, (mozilla::RunnableKind)0>::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.h:caf55914ccddba34d462a1206530d7868b6c4992|1176|0x13
0|30|libxul.so|mozilla::SchedulerGroup::Runnable::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/SchedulerGroup.cpp:caf55914ccddba34d462a1206530d7868b6c4992|295|0x15
0|31|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:caf55914ccddba34d462a1206530d7868b6c4992|1225|0x15
0|32|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:caf55914ccddba34d462a1206530d7868b6c4992|486|0x11
0|33|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:caf55914ccddba34d462a1206530d7868b6c4992|88|0xa
0|34|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:caf55914ccddba34d462a1206530d7868b6c4992|315|0x17
0|35|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:caf55914ccddba34d462a1206530d7868b6c4992|290|0x8
0|36|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:caf55914ccddba34d462a1206530d7868b6c4992|137|0xd
0|37|libxul.so|XRE_RunAppShell()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:caf55914ccddba34d462a1206530d7868b6c4992|934|0x11
0|38|libxul.so|mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:caf55914ccddba34d462a1206530d7868b6c4992|238|0x5
0|39|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:caf55914ccddba34d462a1206530d7868b6c4992|315|0x17
0|40|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:caf55914ccddba34d462a1206530d7868b6c4992|290|0x8
0|41|libxul.so|XRE_InitChildProcess(int, char**, XREChildData const*)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:caf55914ccddba34d462a1206530d7868b6c4992|769|0xc
0|42|firefox-bin|content_process_main(mozilla::Bootstrap*, int, char**)|hg:hg.mozilla.org/mozilla-central:ipc/contentproc/plugin-container.cpp:caf55914ccddba34d462a1206530d7868b6c4992|56|0x14
0|43|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:caf55914ccddba34d462a1206530d7868b6c4992|272|0x12
0|44|libc-2.27.so||||0x21b97
0|45|firefox-bin|MOZ_ReportCrash|hg:hg.mozilla.org/mozilla-central:mfbt/Assertions.h:caf55914ccddba34d462a1206530d7868b6c4992|203|0x5

Comment 1

[Lee Salzman [:lsalzman]]

Looks like the html video element is handing us a surface that claims to be opaque, yet has alpha transparency inside it... Media probably should look at this.

Comment 2

[Jason Kratzer [:jkratzer]]

This issue is still occurring as of m-c rev 6f0a8dddad51.

Comment 3

[Lee Salzman [:lsalzman]]

This does not reproduce for me on Linux at all if I try to run the testcase?