Testcase found while fuzzing mozilla-central rev 7295ca89e880.

Assertion failure: face < mFaceCount, at /builds/worker/workspace/build/src/dom/canvas/WebGLTexture.h:250

rax = 0x0000558c7c8f7320   rdx = 0x0000000000000000
rcx = 0x00007f1fd69629e6   rbx = 0x00007f1fc7ae4470
rsi = 0x00007f1fe25918b0   rdi = 0x00007f1fe2590680
rbp = 0x00007fff395d5c50   rsp = 0x00007fff395d5c50
r8 = 0x00007f1fe25918b0    r9 = 0x00007f1fe36f8780
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x0000000000000000   r13 = 0x00007f1fc7978800
r14 = 0x00007f1fc89e81d0   r15 = 0x00007fff395d5dc8
rip = 0x00007f1fd2406bab
OS|Linux|0.0.0 Linux 5.0.0-36-generic #39~18.04.1-Ubuntu SMP Tue Nov 12 11:09:50 UTC 2019 x86_64
CPU|amd64|family 6 model 94 stepping 3|8
GPU|||
Crash|SIGSEGV|0x0|0
0|0|libxul.so|mozilla::WebGLTexture::ImageInfoAtFace(unsigned char, unsigned int)|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLTexture.h:7295ca89e880c1c930643e72ff0600cb71cebb9e|251|0x2e
0|1|libxul.so|mozilla::WebGLFBAttachPoint::IsComplete(mozilla::WebGLContext*, nsTString<char>*) const|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLFramebuffer.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|90|0x5
0|2|libxul.so|mozilla::WebGLFramebuffer::HasIncompleteAttachments(nsTString<char>*) const|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLFramebuffer.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|582|0x17
0|3|libxul.so|mozilla::WebGLFramebuffer::PrecheckFramebufferStatus(nsTString<char>*) const|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLFramebuffer.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|651|0xb
0|4|libxul.so|mozilla::WebGLFramebuffer::CheckFramebufferStatus() const|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLFramebuffer.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|940|0x1d
0|5|libxul.so|mozilla::WebGLFramebuffer::ValidateAndInitAttachments(unsigned int) const|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLFramebuffer.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|702|0x8
0|6|libxul.so|mozilla::WebGLContext::ValidateAndInitFB(mozilla::WebGLFramebuffer const*, unsigned int)|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLContext.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|1314|0xf
0|7|libxul.so|mozilla::WebGLContext::BindCurFBForDraw()|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLContext.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|1343|0xc
0|8|libxul.so|mozilla::WebGLContext::Clear(unsigned int)|hg:hg.mozilla.org/mozilla-central:dom/canvas/WebGLContextFramebufferOperations.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|47|0x8
0|9|libxul.so|mozilla::ClientWebGLContext::Clear(unsigned int)|hg:hg.mozilla.org/mozilla-central:dom/canvas/ClientWebGLContext.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|2168|0x2e
0|10|libxul.so|mozilla::dom::WebGL2RenderingContext_Binding::clear|s3:gecko-generated-sources:e28296de29debe4db0f0ee3b0da58afb8c070c08aa618cb76645c6f0b581015a0cc1df4f3276a61e178a58853794b38856a094bf0fa3fd5e33a48942eec870c0/dom/bindings/WebGL2RenderingContextBinding.cpp:|11074|0xc
0|11|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|3151|0x21
0|12|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|452|0x19
0|13|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|544|0x12
0|14|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|608|0x10
0|15|libxul.so|Interpret|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|3042|0x16
0|16|libxul.so|js::RunScript(JSContext*, js::RunState&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|388|0xfe
0|17|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|580|0xf
0|18|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|608|0x10
0|19|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|625|0x8
0|20|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|2786|0x1f
0|21|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|22|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|23|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|1263|0x1c
0|24|libxul.so|mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|326|0x6b
0|25|libxul.so|mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|558|0x12
0|26|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|1056|0x1a
0|27|libxul.so|mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|1161|0x16
0|28|libxul.so|nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/base/nsINode.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|1119|0x5
0|29|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|4094|0x2a
0|30|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|4064|0x16
0|31|libxul.so|mozilla::dom::Document::DispatchContentLoadedEvents()|hg:hg.mozilla.org/mozilla-central:dom/base/Document.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|7182|0x5
0|32|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:7295ca89e880c1c930643e72ff0600cb71cebb9e|1216|0x5
0|33|libxul.so|mozilla::SchedulerGroup::Runnable::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/SchedulerGroup.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|282|0x14
0|34|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|1248|0x15
0|35|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|486|0x11
0|36|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|87|0xa
0|37|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7295ca89e880c1c930643e72ff0600cb71cebb9e|315|0x19
0|38|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7295ca89e880c1c930643e72ff0600cb71cebb9e|290|0x8
0|39|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|137|0xd
0|40|libxul.so|XRE_RunAppShell()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|945|0x6
0|41|libxul.so|mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|237|0x5
0|42|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7295ca89e880c1c930643e72ff0600cb71cebb9e|315|0x19
0|43|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7295ca89e880c1c930643e72ff0600cb71cebb9e|290|0x8
0|44|libxul.so|XRE_InitChildProcess(int, char**, XREChildData const*)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|780|0x8
0|45|firefox-bin|content_process_main(mozilla::Bootstrap*, int, char**)|hg:hg.mozilla.org/mozilla-central:ipc/contentproc/plugin-container.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|56|0x14
0|46|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|303|0x12
0|47|libc-2.27.so||||0x21b97
0|48|firefox-bin|__cxa_throw_bad_array_new_length|hg:hg.mozilla.org/mozilla-central:build/unix/stdc++compat/stdc++compat.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|82|0x12
0|49|firefox-bin|_GLOBAL__sub_I_TimeStamp.cpp|hg:hg.mozilla.org/mozilla-central:mozglue/misc/TimeStamp.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|150|0x4b
0|50|||||0x7fff395d84f0
0|51|ld-2.27.so||||0x10733
0|52|libdl-2.27.so||||0x202d80
0|53|libpthread-2.27.so||||0x219bb0
0|54|firefox-bin|_GLOBAL__sub_I_TimeStamp.cpp|hg:hg.mozilla.org/mozilla-central:mozglue/misc/TimeStamp.cpp:7295ca89e880c1c930643e72ff0600cb71cebb9e|150|0x4b
0|55|||||0x7fff395d84f0
0|56|firefox-bin|_start|||0x29