1626375 - Assertion failure: mRawPtr != nullptr (You can't dereference a NULL RefPtr with operator->().), at /builds/worker/workspace/obj-build/dist/include/mozilla/RefPtr.h:315

Status: RESOLVED DUPLICATE of bug 1625197

(Core :: DOM: Core & HTML, defect)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev e1672b3231e9 (built with --enable-debug).

Assertion failure: mRawPtr != nullptr (You can't dereference a NULL RefPtr with operator->().), at /builds/worker/workspace/obj-build/dist/include/mozilla/RefPtr.h:315

rax = 0x00005588c9f93380   rdx = 0x0000000000000000
rcx = 0x00007fab68a355c9   rbx = 0x00007fab5a98c2c0
rsi = 0x00007fab755678b0   rdi = 0x00007fab75566680
rbp = 0x00007ffced9193e0   rsp = 0x00007ffced9193e0
r8 = 0x00007fab755678b0    r9 = 0x00007fab766cd780
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x00007ffced919410   r13 = 0x00007ffced919758
r14 = 0x00007ffced919588   r15 = 0x00007fab5a98c2c0
rip = 0x00007fab6362e841
OS|Linux|0.0.0 Linux 5.3.0-28-generic #30~18.04.1-Ubuntu SMP Fri Jan 17 06:14:09 UTC 2020 x86_64
CPU|amd64|family 6 model 94 stepping 3|8
GPU|||
Crash|SIGSEGV|0x0|0
0|0|libxul.so|RefPtr<nsAtom>::operator->() const|hg:hg.mozilla.org/mozilla-central:mfbt/RefPtr.h:e1672b3231e9e612465168f16190a1392b422517|314|0x16
0|1|libxul.so|RefPtr<mozilla::dom::DOMMatrix>::operator->() const|hg:hg.mozilla.org/mozilla-central:mfbt/RefPtr.h:e1672b3231e9e612465168f16190a1392b422517|313|0x9
0|2|libxul.so|mozilla::dom::DOMMatrix::MultiplySelf(mozilla::dom::DOMMatrixInit const&, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/base/DOMMatrix.cpp:e1672b3231e9e612465168f16190a1392b422517|762|0xc
0|3|libxul.so|mozilla::dom::DOMMatrix_Binding::multiplySelf|s3:gecko-generated-sources:2e054b4dd1572476b41904e1fc29b66305f801c7f5d919c74d44c95366ef32edeb3b2e70ffb5a97b278b6c6a4e253faa22ee306e112e823394407bd6b380744d/dom/bindings/DOMMatrixBinding.cpp:|2756|0xe
0|4|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:e1672b3231e9e612465168f16190a1392b422517|3205|0x21
0|5|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:e1672b3231e9e612465168f16190a1392b422517|477|0x19
0|6|libxul.so|js::InternalCallOrConstruct(JSContext*, JS::CallArgs const&, js::MaybeConstruct, js::CallReason)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:e1672b3231e9e612465168f16190a1392b422517|569|0x12
0|7|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:e1672b3231e9e612465168f16190a1392b422517|632|0x10
0|8|libxul.so|Interpret|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:e1672b3231e9e612465168f16190a1392b422517|3028|0x16
0|9|libxul.so|js::RunScript(JSContext*, js::RunState&)|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:e1672b3231e9e612465168f16190a1392b422517|410|0x152
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:e1672b3231e9e612465168f16190a1392b422517|604|0xf
0|11|libxul.so|InternalCall|hg:hg.mozilla.org/mozilla-central:js/src/vm/Interpreter.cpp:e1672b3231e9e612465168f16190a1392b422517|632|0x10
0|12|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:e1672b3231e9e612465168f16190a1392b422517|649|0x8
0|13|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:e1672b3231e9e612465168f16190a1392b422517|2798|0x1f
0|14|libxul.so|mozilla::dom::EventListener::HandleEvent(mozilla::dom::BindingCallContext&, JS::Handle<JS::Value>, mozilla::dom::Event&, mozilla::ErrorResult&)|s3:gecko-generated-sources:193e9a85814bae146326c2a291da1e87fa580c482e06e710f97daa3a025bad456a6c4102317b56373145ae30081dfb4e18c0a2449f7be19134cdc5c142912259/dom/bindings/EventListenerBinding.cpp:|54|0x5
0|15|libxul.so|mozilla::EventListenerManager::HandleEventSubType(mozilla::EventListenerManager::Listener*, mozilla::dom::Event*, mozilla::dom::EventTarget*)|s3:gecko-generated-sources:99837b3cdc69c5eb1234f9d2b3e771dcff734d56a022bedb1d00c0cf4ee6243fb5c91397a058f2ddab63bda8ed6b581ea1232a0229033866910c7289d24cbc2d/dist/include/mozilla/dom/EventListenerBinding.h:|66|0x19
0|16|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:e1672b3231e9e612465168f16190a1392b422517|1271|0x1c
0|17|libxul.so|mozilla::EventTargetChainItem::HandleEvent(mozilla::EventChainPostVisitor&, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:e1672b3231e9e612465168f16190a1392b422517|326|0x6b
0|18|libxul.so|mozilla::EventTargetChainItem::HandleEventTargetChain(nsTArray<mozilla::EventTargetChainItem>&, mozilla::EventChainPostVisitor&, mozilla::EventDispatchingCallback*, mozilla::ELMCreationDetector&)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:e1672b3231e9e612465168f16190a1392b422517|558|0x12
0|19|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:e1672b3231e9e612465168f16190a1392b422517|1055|0x1a
0|20|libxul.so|mozilla::EventDispatcher::DispatchDOMEvent(nsISupports*, mozilla::WidgetEvent*, mozilla::dom::Event*, nsPresContext*, nsEventStatus*)|hg:hg.mozilla.org/mozilla-central:dom/events/EventDispatcher.cpp:e1672b3231e9e612465168f16190a1392b422517|1160|0x16
0|21|libxul.so|nsINode::DispatchEvent(mozilla::dom::Event&, mozilla::dom::CallerType, mozilla::ErrorResult&)|hg:hg.mozilla.org/mozilla-central:dom/base/nsINode.cpp:e1672b3231e9e612465168f16190a1392b422517|1302|0x5
0|22|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:e1672b3231e9e612465168f16190a1392b422517|4052|0x2a
0|23|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:e1672b3231e9e612465168f16190a1392b422517|4022|0x21
0|24|libxul.so|mozilla::dom::Document::DispatchContentLoadedEvents()|hg:hg.mozilla.org/mozilla-central:dom/base/Document.cpp:e1672b3231e9e612465168f16190a1392b422517|7269|0x5
0|25|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:e1672b3231e9e612465168f16190a1392b422517|1220|0x5
0|26|libxul.so|mozilla::SchedulerGroup::Runnable::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/SchedulerGroup.cpp:e1672b3231e9e612465168f16190a1392b422517|282|0x14
0|27|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:e1672b3231e9e612465168f16190a1392b422517|1220|0xe
0|28|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:e1672b3231e9e612465168f16190a1392b422517|481|0x11
0|29|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:e1672b3231e9e612465168f16190a1392b422517|87|0xa
0|30|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:e1672b3231e9e612465168f16190a1392b422517|315|0x19
0|31|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:e1672b3231e9e612465168f16190a1392b422517|290|0x8
0|32|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:e1672b3231e9e612465168f16190a1392b422517|137|0xd
0|33|libxul.so|XRE_RunAppShell()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:e1672b3231e9e612465168f16190a1392b422517|909|0x6
0|34|libxul.so|mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:e1672b3231e9e612465168f16190a1392b422517|237|0x5
0|35|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:e1672b3231e9e612465168f16190a1392b422517|315|0x19
0|36|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:e1672b3231e9e612465168f16190a1392b422517|290|0x8
0|37|libxul.so|XRE_InitChildProcess(int, char**, XREChildData const*)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:e1672b3231e9e612465168f16190a1392b422517|740|0xc
0|38|firefox-bin|content_process_main(mozilla::Bootstrap*, int, char**)|hg:hg.mozilla.org/mozilla-central:ipc/contentproc/plugin-container.cpp:e1672b3231e9e612465168f16190a1392b422517|56|0x14
0|39|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:e1672b3231e9e612465168f16190a1392b422517|303|0x13
0|40|libc.so.6||||0x21b97
0|41|firefox-bin|__cxa_throw_bad_array_new_length|hg:hg.mozilla.org/mozilla-central:build/unix/stdc++compat/stdc++compat.cpp:e1672b3231e9e612465168f16190a1392b422517|82|0x12
0|42|firefox-bin|_GLOBAL__sub_I_TimeStamp.cpp|hg:hg.mozilla.org/mozilla-central:mozglue/misc/TimeStamp.cpp:e1672b3231e9e612465168f16190a1392b422517|150|0x4b
0|43|||||0x7ffced91bb90
0|44|ld-linux-x86-64.so.2||||0x10733
0|45|libdl.so.2||||0x202d80
0|46|libpthread.so.0||||0x219bb0
0|47|firefox-bin|_GLOBAL__sub_I_TimeStamp.cpp|hg:hg.mozilla.org/mozilla-central:mozglue/misc/TimeStamp.cpp:e1672b3231e9e612465168f16190a1392b422517|150|0x4b
0|48|||||0x7ffced91bb90
0|49|firefox-bin|_start|||0x29

Comment 1

[Jason Kratzer [:jkratzer]]

Bugmon Analysis:
Verified bug as reproducible on mozilla-central 20200331093527-e1672b3231e9.
Failed to bisect testcase (Start build crashes!):
> Start: e1672b3231e9e612465168f16190a1392b422517 (20200331093527)
> End: e1672b3231e9e612465168f16190a1392b422517 (20200331093527)
> BuildFlags: BuildFlags(asan=False, tsan=False, debug=True, fuzzing=False, coverage=False, valgrind=False)

Comment 2

[Kagami Rosylight [:saschanaz] (they/them)]

Duplicate of Bug 1625197, can't reproduce on today's build.

Comment 3

[Jason Kratzer [:jkratzer]]

Bugmon Analysis:
Removing bugmon keyword as no further action possible.
Please review the bug and re-add the keyword for further analysis.