1726640 - Crash in [@ InvalidArrayIndex_CRASH | mozilla::MediaDecodeTask::FinishDecode]

Status: RESOLVED WORKSFORME

(Core :: Audio/Video: Playback, defect, P3)

Description

[Andrew McCreight [:mccr8]]

Crash report: https://crash-stats.mozilla.org/report/index/7daa2172-95c8-4678-a2c3-4080d0210819

MOZ_CRASH Reason: ElementAt(aIndex = 1, aLength = 1)

Top 10 frames of crashing thread:

0 libxul.so InvalidArrayIndex_CRASH xpcom/ds/nsTArray.cpp:28
1 libxul.so mozilla::MediaDecodeTask::FinishDecode dom/media/webaudio/MediaBufferDecoder.cpp:548
2 libxul.so mozilla::MozPromise<nsTArray<RefPtr<mozilla::MediaData> >, mozilla::MediaResult, true>::ThenValue<mozilla::MediaDecodeTask*, void  xpcom/threads/MozPromise.h:720
3 libxul.so mozilla::MozPromise<nsTArray<RefPtr<mozilla::MediaData> >, mozilla::MediaResult, true>::ThenValueBase::ResolveOrRejectRunnable::Run xpcom/threads/MozPromise.h:487
4 libxul.so mozilla::TaskQueue::Runner::Run xpcom/threads/TaskQueue.cpp:208
5 libxul.so nsThreadPool::Run xpcom/threads/nsThreadPool.cpp:303
6 libxul.so nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1146
7 libxul.so NS_ProcessNextEvent xpcom/threads/nsThreadUtils.cpp:466
8 libxul.so mozilla::ipc::MessagePumpForNonMainThreads::Run ipc/glue/MessagePump.cpp:300
9 libxul.so MessageLoop::Run ipc/chromium/src/base/message_loop.cc:306

Around 60 of these crashes. They are all either ElementAt(aIndex = 1, aLength = 1) or ElementAt(aIndex = 2, aLength = 2) so maybe there's some off by one error?

Comment 1

[Bryce Seager van Dyk [:bryce] (he/him) - Not reading bugmail]

CC Paul + John because of web audio + android. Any ideas?

Comment 2

[Jim Mathies [:jimm]]

Hasn't shown up since 91.