1562869 - Crash in [@ webrender::prim_store::SpaceMapper<T>::map]

Status: RESOLVED FIXED

(Core :: Graphics: WebRender, defect, P2, critical)

Description

[Gabriele Svelto [:gsvelto]]

This bug is for crash report bp-a21a322d-ac9b-46eb-bead-2ff750190629.

Top 10 frames of crashing thread:

0 XUL GeckoCrash toolkit/xre/nsAppRunner.cpp:5165
1 XUL gkrust_shared::panic_hook toolkit/library/rust/shared/lib.rs:246
2 XUL core::ops::function::Fn::call src/libcore/ops/function.rs:69
3 XUL std::panicking::rust_panic_with_hook src/libstd/panicking.rs:478
4 XUL std::panicking::continue_panic_fmt src/libstd/panicking.rs:381
5 XUL rust_begin_unwind src/libstd/panicking.rs:308
6 XUL core::panicking::panic_fmt src/libcore/panicking.rs:85
7 XUL core::panicking::panic src/libcore/panicking.rs:49
8 XUL webrender::prim_store::SpaceMapper<F, T>::map gfx/wr/webrender/src/util.rs
9 XUL webrender::picture::PictureUpdateState::update gfx/wr/webrender/src/picture.rs:1413

The raw crash reason is:

called `Option::unwrap()` on a `None` value

This is affecting both Linux and macOS, the oldest crash is for buildid 20190602221035.

Comment 1

[Andrew Osmond [:aosmond]]

We see this on Windows too with a slightly different signature. All the known bugs with that signature have been fixed.

Comment 2

[Andrew Osmond [:aosmond]]

Probably the unwrap failing is here:

https://searchfox.org/mozilla-central/rev/0671407b7b9e3ec1ba96676758b33316f26887a4/gfx/wr/webrender/src/util.rs#854,860-863

Comment 3

[Nicolas Silva [:nical]]

Attachment: Bug 1562869 - Check for NaNs in project_rect. r=aosmond

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/9a59db931534
Check for NaNs in project_rect. r=aosmond

Comment 5

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/9a59db931534

Comment 6

[Bogdan Tara[:bogdan_tara]]

https://hg.mozilla.org/releases/mozilla-beta/rev/9a59db931534