1749282 - Crash in [@ gfxFontSrcPrincipal::gfxFontSrcPrincipal]

Status: RESOLVED DUPLICATE of bug 1726751

(Core :: Privacy: Anti-Tracking, defect, P3)

Description

[Gabriele Svelto [:gsvelto]]

Crash report: https://crash-stats.mozilla.org/report/index/63f23139-cb78-4dc0-a8e8-46d6e0220108

MOZ_CRASH Reason: MOZ_CRASH(extended principal should never be used as key in a hash map)

Top 10 frames of crashing thread:

0 libxul.so {virtual override thunk} 
1 libxul.so gfxFontSrcPrincipal::gfxFontSrcPrincipal gfx/thebes/gfxFontSrcPrincipal.cpp:28
2 libxul.so mozilla::dom::FontFaceSet::FindOrCreateUserFontEntryFromFontFace layout/style/FontFaceSet.cpp:1102
3 libxul.so mozilla::dom::FontFaceSet::UpdateRules layout/style/FontFaceSet.cpp:723
4 libxul.so mozilla::PresShell::DoFlushPendingNotifications layout/base/PresShell.cpp:4231
5 libxul.so nsRefreshDriver::Tick layout/base/nsRefreshDriver.cpp:2392
6 libxul.so mozilla::RefreshDriverTimer::TickRefreshDrivers layout/base/nsRefreshDriver.cpp:326
7 libxul.so mozilla::RefreshDriverTimer::Tick layout/base/nsRefreshDriver.cpp:342
8 libxul.so mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::TickRefreshDriver layout/base/nsRefreshDriver.cpp:703
9 libxul.so mozilla::VsyncRefreshDriverTimer::RefreshDriverVsyncObserver::NotifyParentProcessVsync layout/base/nsRefreshDriver.cpp:620

This code seems to have been touched by bug 1647732 hence why I chose this component for this crash. If it belongs elsewhere please move it in the right component.