1779096 - Crash in [@ mozilla::dom::Promise::State]

Status: RESOLVED FIXED

(Core :: Layout: Text and Fonts, defect, P3)

Description

[Andrew Osmond [:aosmond] (he/him)]

Crash report: https://crash-stats.mozilla.org/report/index/8aee1e5f-35e4-4e2a-8c16-3ba6a0220710

Reason: EXCEPTION_ACCESS_VIOLATION_READ

Top 10 frames of crashing thread:

0 xul.dll mozilla::dom::Promise::State const dom/promise/Promise.cpp:920
1 xul.dll mozilla::dom::FontFaceSetImpl::CheckLoadingFinished layout/style/FontFaceSetImpl.cpp:879
2 xul.dll mozilla::dom::FontFaceSetDocumentImpl::StyleSheetLoaded layout/style/FontFaceSetDocumentImpl.cpp:719
3 xul.dll mozilla::css::Loader::NotifyObservers layout/style/Loader.cpp:1611
4 xul.dll static mozilla::SharedStyleSheetCache::LoadCompleted layout/style/SharedStyleSheetCache.cpp:68
5 xul.dll mozilla::MozPromise<bool, bool, 1>::ThenValue<`lambda at /builds/worker/checkouts/gecko/layout/style/Loader.cpp:1580:11', `lambda at /builds/worker/checkouts/gecko/layout/style/Loader.cpp:1584:11'>::DoResolveOrRejectInternal xpcom/threads/MozPromise.h:846
6 xul.dll mozilla::MozPromise<bool, bool, 1>::ThenValueBase::ResolveOrRejectRunnable::Run xpcom/threads/MozPromise.h:487
7 xul.dll mozilla::SchedulerGroup::Runnable::Run xpcom/threads/SchedulerGroup.cpp:140
8 xul.dll mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal xpcom/threads/TaskController.cpp:851
9 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1205

Comment 1

[Andrew Osmond [:aosmond] (he/him)]

Attachment: Bug 1779096 - Clear FontFaceSetImpl::mOwner when destroyed.

Comment 2

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

Set release status flags based on info from the regressing bug 1771493

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/81cd4125a2d2
Clear FontFaceSetImpl::mOwner when destroyed. r=emilio

Comment 4

[Atila Butkovits]

https://hg.mozilla.org/mozilla-central/rev/81cd4125a2d2