1565231 - Crash in [@ <webrender_bindings::moz2d_renderer::Moz2dBlobImageHandler as webrender_api::image::BlobImageHandler>::update] on whatsapp and other places

Status: RESOLVED FIXED

(Core :: Graphics: WebRender, defect, P1)

Description

[Emilio Cobos Álvarez (:emilio)]

This bug is for crash report bp-6bc39f98-901a-4645-93b0-7e1020190711.

Top 10 frames of crashing thread:

0 libxul.so GeckoCrash toolkit/xre/nsAppRunner.cpp:5154
1 libxul.so gkrust_shared::panic_hook toolkit/library/rust/shared/lib.rs:246
2 libxul.so core::ops::function::Fn::call src/libcore/ops/function.rs:69
3 libxul.so std::panicking::rust_panic_with_hook src/libstd/panicking.rs:478
4 libxul.so std::panicking::continue_panic_fmt src/libstd/panicking.rs:381
5 libxul.so std::panicking::begin_panic_fmt src/libstd/panicking.rs:336
6 libxul.so <webrender_bindings::moz2d_renderer::Moz2dBlobImageHandler as webrender_api::image::BlobImageHandler>::update gfx/webrender_bindings/src/moz2d_renderer.rs
7 libxul.so webrender::resource_cache::ResourceCache::pre_scene_building_update gfx/wr/webrender/src/resource_cache.rs:955
8 libxul.so <core::iter::adapters::Map<I, F> as core::iter::traits::iterator::Iterator>::next src/libcore/iter/adapters/mod.rs:570
9 libxul.so webrender::render_backend::RenderBackend::process_api_msg src/liballoc/vec.rs:1819

assertion failed: `(left == right)`
  left: `TypedRect(98×16 at (0,0))`,
 right: `TypedRect(98×98 at (0,0))`

I can reproduce this pretty consistently tab-switching from a youtube tab to a whatsapp web tab a couple times using the keyboard. Both tabs are pinned fwiw.

I'll try to find some repro steps on a clean profile.

Jeff mentioned this is likely regressed by bug 1563775,

Comment 1

[Jeff Muizelaar [:jrmuizel]]

FWIW, I also filed bug 1565229 about the missing line number information for the assert.

Comment 3

[Emilio Cobos Álvarez (:emilio)]

Yeah, on a clean profile, on Linux, with gfx.webrender.enabled=true, layers.gpu-process.enabled=false (just to detect the crash more easily).

I noticed this because I use Wayland, and the GPU process doesn't work on Wayland.

STR: Tab-switching to https://web.whatsapp.com insta-crashes.

Comment 4

[Jeff Muizelaar [:jrmuizel]]

(In reply to Emilio Cobos Álvarez (:emilio) from comment #3)

Yeah, on a clean profile, on Linux, with gfx.webrender.enabled=true, layers.gpu-process.enabled=false (just to detect the crash more easily).

I noticed this because I use Wayland, and the GPU process doesn't work on Wayland.

STR: Tab-switching to https://web.whatsapp.com insta-crashes.

Is this an unauthenticated https://web.whatsapp.com?

Comment 5

[Emilio Cobos Álvarez (:emilio)]

Has to be logged in, apparently.

Comment 6

[Jeff Muizelaar [:jrmuizel]]

I'm not able to reproduce locally yet. I wonder if there's some animated svg content that you see that I don't. Also what's your devicePixelRatio?

Comment 7

[Jeff Muizelaar [:jrmuizel]]

I'm able to reproduce the bug by resizing the window with web.whatsapp.com loaded.

Comment 8

[Arcturus66]

Hi,
It also happens a lot on Twitter.

Comment 10

[Leman Bennett [Omega]]

I can reproduce this simply by scrolling on various websites.

Comment 11

[Liz Henry (:lizzard) (relman/hg->git project)]

Looks like we can close this now as the regressing patch was backed out yesterday in bug 1563775.