1949560 - Crash in [@ MacIOSurface::Lock] via CanvasTranslator

Status: NEW

(Core :: Graphics: Canvas2D, defect)

Description

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

Crash report: https://crash-stats.mozilla.org/report/index/4b91c24e-5345-4db1-afe1-532cc0250212

MOZ_CRASH Reason:

MOZ_RELEASE_ASSERT(!mIsLocked) (double MacIOSurface lock)

Top 10 frames:

0  XUL  MacIOSurface::Lock(bool)  gfx/2d/MacIOSurface.cpp:398
1  XUL  mozilla::layers::CreateSourceSurfaceFromMacIOSurface(MacIOSurface*, mozilla::...  gfx/layers/MacIOSurfaceHelpers.cpp:161
2  XUL  mozilla::layers::MacIOSurfaceTextureHostOGL::GetAsSurface(mozilla::gfx::DataS...  gfx/layers/opengl/MacIOSurfaceTextureHostOGL.h:42
3  XUL  mozilla::layers::CanvasTranslator::MaybeRecycleDataSurfaceForSurfaceDescripto...  gfx/layers/ipc/CanvasTranslator.cpp:0
4  XUL  mozilla::layers::CanvasTranslator::LookupSourceSurfaceFromSurfaceDescriptor(m...  mfbt/RefPtr.h:0
5  XUL  mozilla::gfx::RecordedDrawSurfaceDescriptor::PlayEvent(mozilla::gfx::Translat...  gfx/2d/RecordedEventImpl.h:3236
6  XUL  std::__1::__function::__value_func<bool (mozilla::gfx::RecordedEvent*)>::oper...  /builds/worker/fetches/MacOSX14.4.sdk/usr/include/c++/v1/__functional/function.h:518
6  XUL  std::__1::function<bool (mozilla::gfx::RecordedEvent*)>::operator()(mozilla::...  /builds/worker/fetches/MacOSX14.4.sdk/usr/include/c++/v1/__functional/function.h:1169
6  XUL  mozilla::gfx::RecordedEvent::DoWithEvent<mozilla::gfx::MemReader>(mozilla::gf...  gfx/2d/RecordedEventImpl.h:4577
7  XUL  mozilla::gfx::RecordedEvent::DoWithEventFromReader(mozilla::gfx::MemReader&, ...  gfx/2d/RecordedEvent.cpp:32

Comment 1

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

I'm not sure if the surface is locked because it is use by the display pipeline, or if we are writing to it. Presumably something tried to draw to the canvas using a video element however.