1658753 - AddressSanitizer: SEGV /builds/worker/checkouts/gecko/dom/canvas/XRWebGLLayer.cpp:182:44 in mozilla::dom::XRWebGLLayer::Antialias()

Status: NEW

(Core :: WebVR, defect)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev 08471023c834.

==27758==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000002c (pc 0x7fbcd908d022 bp 0x7ffdedea2df0 sp 0x7ffdedea2df0 T0)
==27758==The signal is caused by a READ memory access.
==27758==Hint: address points to the zero page.
    #0 0x7fbcd908d021 in mozilla::dom::XRWebGLLayer::Antialias() /builds/worker/checkouts/gecko/dom/canvas/XRWebGLLayer.cpp:182:44
    #1 0x7fbcd84b21ba in mozilla::dom::XRWebGLLayer_Binding::get_antialias(JSContext*, JS::Handle<JSObject*>, void*, JSJitGetterCallArgs) /builds/worker/workspace/obj-build/dom/bindings/WebXRBinding.cpp:9139:36
    #2 0x7fbcd8cf8c92 in bool mozilla::dom::binding_detail::GenericGetter<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ThrowExceptions>(JSContext*, unsigned int, JS::Value*) /builds/worker/checkouts/gecko/dom/bindings/BindingUtils.cpp:3104:13
    #3 0x7fbcdf4a49b1 in CallJSNative /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:507:13
    #4 0x7fbcdf4a49b1 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:599:12
    #5 0x7fbcdf4a6ce8 in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:664:10
    #6 0x7fbcdf4a6fc6 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:681:8
    #7 0x7fbcdf4a8aa8 in js::CallGetter(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:805:10
    #8 0x7fbcdfa32c90 in CallGetter /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2287:12
    #9 0x7fbcdfa32c90 in GetExistingProperty<js::CanGC> /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2339:12
    #10 0x7fbcdfa32c90 in NativeGetPropertyInline<js::CanGC> /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2479:14
    #11 0x7fbcdfa32c90 in js::NativeGetProperty(JSContext*, JS::Handle<js::NativeObject*>, JS::Handle<JS::Value>, JS::Handle<JS::PropertyKey>, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/NativeObject.cpp:2516:10
    #12 0x7fbcdf4afc1f in GetProperty /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:117:10
    #13 0x7fbcdf4afc1f in js::GetProperty(JSContext*, JS::Handle<JSObject*>, JS::Handle<JS::Value>, js::PropertyName*, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/ObjectOperations-inl.h:124:10
    #14 0x7fbcdf4aea72 in js::GetProperty(JSContext*, JS::Handle<JS::Value>, JS::Handle<js::PropertyName*>, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:4728:10
    #15 0x7fbcdf489ffa in GetPropertyOperation /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:220:10
    #16 0x7fbcdf489ffa in Interpret(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:3016:12
    #17 0x7fbcdf470169 in js::RunScript(JSContext*, js::RunState&) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:468:13
    #18 0x7fbcdf4a4b07 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:636:13
    #19 0x7fbcdf4a6ce8 in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:664:10
    #20 0x7fbcdf4a6fc6 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:681:8
    #21 0x7fbcdfaf9380 in js::CallSelfHostedFunction(JSContext*, JS::Handle<js::PropertyName*>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/SelfHosting.cpp:1683:10
    #22 0x7fbcdf726f8c in AsyncFunctionResume(JSContext*, JS::Handle<js::AsyncFunctionGeneratorObject*>, ResumeKind, JS::Handle<JS::Value>) /builds/worker/checkouts/gecko/js/src/vm/AsyncFunction.cpp:128:8
    #23 0x7fbcdf870a84 in AsyncFunctionPromiseReactionJob /builds/worker/checkouts/gecko/js/src/builtin/Promise.cpp:1696:12
    #24 0x7fbcdf870a84 in PromiseReactionJob(JSContext*, unsigned int, JS::Value*) /builds/worker/checkouts/gecko/js/src/builtin/Promise.cpp:1852:12
    #25 0x7fbcdf4a49b1 in CallJSNative /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:507:13
    #26 0x7fbcdf4a49b1 in js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:599:12
    #27 0x7fbcdf4a6ce8 in InternalCall(JSContext*, js::AnyInvokeArgs const&, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:664:10
    #28 0x7fbcdf4a6fc6 in js::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, js::AnyInvokeArgs const&, JS::MutableHandle<JS::Value>, js::CallReason) /builds/worker/checkouts/gecko/js/src/vm/Interpreter.cpp:681:8
    #29 0x7fbcdf6463e0 in JS::Call(JSContext*, JS::Handle<JS::Value>, JS::Handle<JS::Value>, JS::HandleValueArray const&, JS::MutableHandle<JS::Value>) /builds/worker/checkouts/gecko/js/src/jsapi.cpp:2831:10
    #30 0x7fbcd7ab1d6b in mozilla::dom::PromiseJobCallback::Call(mozilla::dom::BindingCallContext&, JS::Handle<JS::Value>, mozilla::ErrorResult&) /builds/worker/workspace/obj-build/dom/bindings/PromiseBinding.cpp:28:8
    #31 0x7fbcd2dee696 in Call /builds/worker/workspace/obj-build/dist/include/mozilla/dom/PromiseBinding.h:91:12
    #32 0x7fbcd2dee696 in Call /builds/worker/workspace/obj-build/dist/include/mozilla/dom/PromiseBinding.h:104:12
    #33 0x7fbcd2dee696 in mozilla::PromiseJobRunnable::Run(mozilla::AutoSlowOperation&) /builds/worker/checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:211:18
    #34 0x7fbcd2dcea02 in mozilla::CycleCollectedJSContext::PerformMicroTaskCheckPoint(bool) /builds/worker/checkouts/gecko/xpcom/base/CycleCollectedJSContext.cpp:646:17
    #35 0x7fbcd9443de6 in LeaveMicroTask /builds/worker/workspace/obj-build/dist/include/mozilla/CycleCollectedJSContext.h:232:7
    #36 0x7fbcd9443de6 in ~nsAutoMicroTask /builds/worker/workspace/obj-build/dist/include/mozilla/CycleCollectedJSContext.h:382:13
    #37 0x7fbcd9443de6 in mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1090:3
    #38 0x7fbcd9445530 in mozilla::EventListenerManager::HandleEventInternal(nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event**, mozilla::dom::EventTarget*, nsEventStatus*, bool) /builds/worker/checkouts/gecko/dom/events/EventListenerManager.cpp:1279:17
    #39 0x7fbcd943360f in mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:356:17
    #40 0x7fbcd9431dad in mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:558:16
    #41 0x7fbcd9436306 in mozilla::EventDispatcher::Dispatch(nsISupports*, nsPresContext*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsEventStatus*, mozilla::EventDispatchingCallback*, nsTArray<mozilla::dom::EventTarget*>*) /builds/worker/checkouts/gecko/dom/events/EventDispatcher.cpp:1055:11
    #42 0x7fbcdbc420f2 in nsDocumentViewer::LoadComplete(nsresult) /builds/worker/checkouts/gecko/layout/base/nsDocumentViewer.cpp:1092:7
    #43 0x7fbcde7d5a88 in nsDocShell::EndPageLoad(nsIWebProgress*, nsIChannel*, nsresult) /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:6183:20
    #44 0x7fbcde7d4d35 in nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:5510:7
    #45 0x7fbcde7d6dff in non-virtual thunk to nsDocShell::OnStateChange(nsIWebProgress*, nsIRequest*, unsigned int, nsresult) /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp
    #46 0x7fbcd598fe70 in nsDocLoader::DoFireOnStateChange(nsIWebProgress*, nsIRequest*, int&, nsresult) /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp:1331:3
    #47 0x7fbcd598ed3c in nsDocLoader::doStopDocumentLoad(nsIRequest*, nsresult) /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp:937:14
    #48 0x7fbcd598b2bb in nsDocLoader::DocLoaderIsEmpty(bool, mozilla::Maybe<nsresult> const&) /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp:757:9
    #49 0x7fbcd598d82d in nsDocLoader::OnStopRequest(nsIRequest*, nsresult) /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp:640:5
    #50 0x7fbcd598e8cc in non-virtual thunk to nsDocLoader::OnStopRequest(nsIRequest*, nsresult) /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp
    #51 0x7fbcd329db37 in mozilla::net::nsLoadGroup::NotifyRemovalObservers(nsIRequest*, nsresult) /builds/worker/checkouts/gecko/netwerk/base/nsLoadGroup.cpp:615:22
    #52 0x7fbcd32a0d47 in mozilla::net::nsLoadGroup::RemoveRequest(nsIRequest*, nsISupports*, nsresult) /builds/worker/checkouts/gecko/netwerk/base/nsLoadGroup.cpp:522:10
    #53 0x7fbcd6f6603f in mozilla::dom::Document::DoUnblockOnload() /builds/worker/checkouts/gecko/dom/base/Document.cpp:10824:18
    #54 0x7fbcd6f1db57 in mozilla::dom::Document::UnblockOnload(bool) /builds/worker/checkouts/gecko/dom/base/Document.cpp:10754:9
    #55 0x7fbcd6f40614 in mozilla::dom::Document::DispatchContentLoadedEvents() /builds/worker/checkouts/gecko/dom/base/Document.cpp:7340:3
    #56 0x7fbcd700d774 in applyImpl<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1188:12
    #57 0x7fbcd700d774 in apply<mozilla::dom::Document, void (mozilla::dom::Document::*)()> /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:1194:12
    #58 0x7fbcd700d774 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:1240:13
    #59 0x7fbcd2f9e08d in mozilla::SchedulerGroup::Runnable::Run() /builds/worker/checkouts/gecko/xpcom/threads/SchedulerGroup.cpp:146:20
    #60 0x7fbcd2fa87f9 in mozilla::RunnableTask::Run() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:242:16
    #61 0x7fbcd2fa4ce5 in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:512:26
    #62 0x7fbcd2fa2ba2 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:371:15
    #63 0x7fbcd2fa2fdf in mozilla::TaskController::ProcessPendingMTTask(bool) /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:168:36
    #64 0x7fbcd2fb4601 in operator() /builds/worker/checkouts/gecko/xpcom/threads/TaskController.cpp:83:37
    #65 0x7fbcd2fb4601 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_4>::Run() /builds/worker/workspace/obj-build/dist/include/nsThreadUtils.h:577:5
    #66 0x7fbcd2fd96bc in nsThread::ProcessNextEvent(bool, bool*) /builds/worker/checkouts/gecko/xpcom/threads/nsThread.cpp:1234:14
    #67 0x7fbcd2fe45ac in NS_ProcessNextEvent(nsIThread*, bool) /builds/worker/checkouts/gecko/xpcom/threads/nsThreadUtils.cpp:513:10
    #68 0x7fbcd43bb3df in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /builds/worker/checkouts/gecko/ipc/glue/MessagePump.cpp:87:21
    #69 0x7fbcd429bc27 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:334:10
    #70 0x7fbcd429bc27 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:327:3
    #71 0x7fbcd429bc27 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:309:3
    #72 0x7fbcdb639db8 in nsBaseAppShell::Run() /builds/worker/checkouts/gecko/widget/nsBaseAppShell.cpp:137:27
    #73 0x7fbcdf231c56 in XRE_RunAppShell() /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:913:20
    #74 0x7fbcd429bc27 in RunInternal /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:334:10
    #75 0x7fbcd429bc27 in RunHandler /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:327:3
    #76 0x7fbcd429bc27 in MessageLoop::Run() /builds/worker/checkouts/gecko/ipc/chromium/src/base/message_loop.cc:309:3
    #77 0x7fbcdf23123f in XRE_InitChildProcess(int, char**, XREChildData const*) /builds/worker/checkouts/gecko/toolkit/xre/nsEmbedFunctions.cpp:744:34
    #78 0x558bd88b9433 in content_process_main /builds/worker/checkouts/gecko/browser/app/../../ipc/contentproc/plugin-container.cpp:56:28
    #79 0x558bd88b9433 in main /builds/worker/checkouts/gecko/browser/app/nsBrowserApp.cpp:303:18
    #80 0x7fbcf71b6b96 in __libc_start_main /build/glibc-2ORdQG/glibc-2.27/csu/../csu/libc-start.c:310

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /builds/worker/checkouts/gecko/dom/canvas/XRWebGLLayer.cpp:182:44 in mozilla::dom::XRWebGLLayer::Antialias()

Comment 1

[Jason Kratzer [:jkratzer]]

Bugmon Analysis:
Verified bug as reproducible on mozilla-central 20200812034418-08471023c834.
The bug appears to have been introduced in the following build range:
> Start: 970bca14c57761d08345e428fbba0553bc6f603e (20200407191514)
> End: f377fb74e5c5ce6b42d350bbda9b7328802d5376 (20200407191618)
> Pushlog: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=970bca14c57761d08345e428fbba0553bc6f603e&tochange=f377fb74e5c5ce6b42d350bbda9b7328802d5376

Comment 2

[Bugmon [:jkratzer for issues]]

Bugmon Analysis
Unable to reproduce bug 1658753 using build mozilla-central 20201205093858-7ce95b6cde26. 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.

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

Setting regressed_by field after analyzing regression range found by bugmon.

Comment 4

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1614499

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Set release status flags based on info from the regressing bug 1614499