1565317 - Crash in [@ mozilla::ReduceConstraint]

Status: RESOLVED FIXED

(Core :: WebRTC: Audio/Video, defect, P2)

Description

[Calixte Denizet (:calixte)]

This bug is for crash report bp-20ce2899-815e-49fa-8f86-ebff40190711.

Top 10 frames of crashing thread:

0 xul.dll static void mozilla::ReduceConstraint dom/media/MediaManager.cpp:2293
1 xul.dll mozilla::MediaManager::GetUserMedia dom/media/MediaManager.cpp:2427
2 xul.dll mozilla::dom::MediaDevices::GetUserMedia dom/media/MediaDevices.cpp:94
3 xul.dll static bool mozilla::dom::MediaDevices_Binding::getUserMedia_promiseWrapper dom/bindings/MediaDevicesBinding.cpp:231
4 xul.dll mozilla::dom::binding_detail::GenericMethod<mozilla::dom::binding_detail::NormalThisPolicy, mozilla::dom::binding_detail::ConvertExceptionsToPromises> dom/bindings/BindingUtils.cpp:3181
5 xul.dll js::InternalCallOrConstruct js/src/vm/Interpreter.cpp:540
6 xul.dll static bool InternalCall js/src/vm/Interpreter.cpp:595
7 xul.dll static bool Interpret js/src/vm/Interpreter.cpp:3088
8 xul.dll js::RunScript js/src/vm/Interpreter.cpp:425
9 xul.dll js::InternalCallOrConstruct js/src/vm/Interpreter.cpp:568

There are 9 crashes (from 3 installations) in nightly 70 with buildid 20190711095112. In analyzing the backtrace, the regression may have been introduced by patch [1] to fix bug 1560907.

[1] https://hg.mozilla.org/mozilla-central/rev?node=dc3e09fb750b

Comment 1

[Andreas Pehrson [:pehrsons]]

Attachment: Bug 1565317 - Handle missing mMediaSource in ReduceConstraint. r?jib

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/9a08a35f8cba
Handle missing mMediaSource in ReduceConstraint. r=jib

Comment 3

[Andreea Pavel [:apavel]]

https://hg.mozilla.org/mozilla-central/rev/9a08a35f8cba