Bug 1537554 Comment 0 Edit History

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This bug is for crash report bp-4c1631e7-6b4d-492b-8803-262c00190320.

```
Top 10 frames of crashing thread:

0 libxul.so mozilla::dom::CompareSimpleTextTrackEvents::LessThan const xpcom/ds/nsTArray.h:490
1 libxul.so bool mozilla::BinarySearchIf<RefPtr<mozilla::dom::SimpleTextTrackEvent> const*, unsigned long nsTArray_Impl<RefPtr<mozilla::dom::SimpleTextTrackEvent>, nsTArrayInfallibleAllocator>::IndexOfFirstElementGt<mozilla::dom::SimpleTextTrackEvent*&, mozilla::dom::CompareSimpleTextTrackEvents> xpcom/ds/nsTArray.h:820
2 libxul.so RefPtr<mozilla::dom::SimpleTextTrackEvent>* nsTArray_Impl<RefPtr<mozilla::dom::SimpleTextTrackEvent>, nsTArrayInfallibleAllocator>::InsertElementSorted<mozilla::dom::SimpleTextTrackEvent*&, mozilla::dom::CompareSimpleTextTrackEvents, nsTArrayInfallibleAllocator> xpcom/ds/nsTArray.h:1512
3 libxul.so mozilla::dom::TextTrackManager::TimeMarchesOn dom/html/TextTrackManager.cpp:775
4 libxul.so mozilla::dom::TextTrackManager::NotifyCueRemoved dom/html/TextTrackManager.cpp:297
5 libxul.so mozilla::dom::TextTrack::SetMode dom/html/HTMLMediaElement.h:650
6 libxul.so mozilla::dom::TextTrack_Binding::set_mode dom/bindings/TextTrackBinding.cpp:302
7 libxul.so bool mozilla::dom::binding_detail::GenericSetter<mozilla::dom::binding_detail::NormalThisPolicy> dom/bindings/BindingUtils.cpp:3097
8 libxul.so js::InternalCallOrConstruct js/src/vm/Interpreter.cpp:442
9 libxul.so js::CallSetter js/src/vm/Interpreter.cpp:589

```


I'm pretty sure this was a crash in a new tab that was opened with this URL:
https://twitter.com/SkyandTelescope/status/1108463880408387584

This has the same signature as bug 1533909, but that bug was closed as fixed a week ago, and my crash that I'm reporting here was with today's Nightly (20190320112939)
This bug is for crash report bp-4c1631e7-6b4d-492b-8803-262c00190320.

```
Top 10 frames of crashing thread:

0 libxul.so mozilla::dom::CompareSimpleTextTrackEvents::LessThan const xpcom/ds/nsTArray.h:490
1 libxul.so bool mozilla::BinarySearchIf<RefPtr<mozilla::dom::SimpleTextTrackEvent> const*, unsigned long nsTArray_Impl<RefPtr<mozilla::dom::SimpleTextTrackEvent>, nsTArrayInfallibleAllocator>::IndexOfFirstElementGt<mozilla::dom::SimpleTextTrackEvent*&, mozilla::dom::CompareSimpleTextTrackEvents> xpcom/ds/nsTArray.h:820
2 libxul.so RefPtr<mozilla::dom::SimpleTextTrackEvent>* nsTArray_Impl<RefPtr<mozilla::dom::SimpleTextTrackEvent>, nsTArrayInfallibleAllocator>::InsertElementSorted<mozilla::dom::SimpleTextTrackEvent*&, mozilla::dom::CompareSimpleTextTrackEvents, nsTArrayInfallibleAllocator> xpcom/ds/nsTArray.h:1512
3 libxul.so mozilla::dom::TextTrackManager::TimeMarchesOn dom/html/TextTrackManager.cpp:775
4 libxul.so mozilla::dom::TextTrackManager::NotifyCueRemoved dom/html/TextTrackManager.cpp:297
5 libxul.so mozilla::dom::TextTrack::SetMode dom/html/HTMLMediaElement.h:650
6 libxul.so mozilla::dom::TextTrack_Binding::set_mode dom/bindings/TextTrackBinding.cpp:302
7 libxul.so bool mozilla::dom::binding_detail::GenericSetter<mozilla::dom::binding_detail::NormalThisPolicy> dom/bindings/BindingUtils.cpp:3097
8 libxul.so js::InternalCallOrConstruct js/src/vm/Interpreter.cpp:442
9 libxul.so js::CallSetter js/src/vm/Interpreter.cpp:589

```


I'm pretty sure this was a crash in a new tab that was opened with this URL:
https://twitter.com/SkyandTelescope/status/1108463880408387584
...though I can't trigger any more crashes with that URL, after the one visit that did crash. (i.e. this was a one-off for me).

This has the same signature as bug 1533909, but that bug was closed as fixed a week ago, and my crash that I'm reporting here was with today's Nightly (20190320112939)

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