1851054 - Crash in [@ OOM | large | nsTArray_Impl<T>::AppendElementInternal | nsTArray<T>::AppendElement | mozilla::MediaTrackDemuxer::SamplesHolder::AppendSample ]

Status: NEW

(Core :: Audio/Video: Playback, defect)

Description

[Andrew McCreight [:mccr8]]

Crash report: https://crash-stats.mozilla.org/report/index/2b9c3c80-2f33-4871-83cf-42d080230830

MOZ_CRASH Reason: out of memory: 0x0000000083A00000 bytes requested

Top 10 frames of crashing thread:

0  mozglue.dll  MOZ_Crash  mfbt/Assertions.h:281
0  mozglue.dll  mozalloc_abort  memory/mozalloc/mozalloc_abort.cpp:26
1  mozglue.dll  mozalloc_handle_oom  memory/mozalloc/mozalloc_oom.cpp:51
1  mozglue.dll  moz_xrealloc  memory/mozalloc/mozalloc.cpp:78
2  xul.dll  nsTArrayInfallibleAllocator::Realloc  xpcom/ds/nsTArray.h:259
2  xul.dll  nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_RelocateUsingMemutils>::EnsureCapacityImpl<nsTArrayInfallibleAllocator>  xpcom/ds/nsTArray-inl.h:221
3  xul.dll  nsTArray_base<nsTArrayInfallibleAllocator, nsTArray_RelocateUsingMemutils>::EnsureCapacity  xpcom/ds/nsTArray.h:443
3  xul.dll  nsTArray_Impl<RefPtr<mozilla::MediaRawData>, nsTArrayInfallibleAllocator>::AppendElementInternal  xpcom/ds/nsTArray.h:2690
3  xul.dll  nsTArray<RefPtr<mozilla::MediaRawData> >::AppendElement  xpcom/ds/nsTArray.h:2833
3  xul.dll  mozilla::MediaTrackDemuxer::SamplesHolder::AppendSample  dom/media/MediaDataDemuxer.h:105

Some of these allocations are quite large. For instance, for this one it is 2GB.

Comment 1

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

The severity field is not set for this bug.
:jimm, could you have a look please?

For more information, please visit BugBot documentation.

Comment 2

[Jim Mathies [:jimm]]

At the base of the stack -
mozilla::MediaTrackDemuxer::SamplesHolder::AppendSample

Comment 3

[Jim Mathies [:jimm]]

Hasn't shown up in 118 for some reason.

Comment 4

[Andrew McCreight [:mccr8]]

I made the signature a little nicer.