1711868 - Crash in [@ wgpu_server_pipeline_layout_drop]

Status: RESOLVED FIXED

(Core :: Graphics: WebGPU, defect)

Description

[Calixte Denizet (:calixte)]

Crash report: https://crash-stats.mozilla.org/report/index/048e4a92-617c-4734-8c62-c1cbf0210519

MOZ_CRASH Reason: Unexpected backend Empty

Top 10 frames of crashing thread:

0 XUL RustMozCrash mozglue/static/rust/wrappers.cpp:17
1 XUL mozglue_static::panic_hook mozglue/static/rust/lib.rs:89
2 XUL core::ops::function::Fn::call /builds/worker/fetches/rustc/lib/rustlib/src/rust/library/core/src/ops/function.rs:70
3 XUL std::panicking::rust_panic_with_hook library/std/src/panicking.rs:595
4 XUL std::panicking::begin_panic_handler::{{closure}} library/std/src/panicking.rs:497
5 XUL std::sys_common::backtrace::__rust_end_short_backtrace library/std/src/sys_common/backtrace.rs:141
6 XUL rust_begin_unwind library/std/src/panicking.rs:493
7 XUL std::panicking::begin_panic_fmt library/std/src/panicking.rs:435
8 XUL wgpu_server_pipeline_layout_drop gfx/wgpu_bindings/src/server.rs:602
9 XUL mozilla::webgpu::WebGPUParent::RecvImplicitLayoutDestroy dom/webgpu/ipc/WebGPUParent.cpp:465

There are 15 crashes (from 1 installation) in nightly 90 with buildid 20210518213628. In analyzing the backtrace, the regression may have been introduced by patch [1] to fix bug 1709462.

[1] https://hg.mozilla.org/mozilla-central/rev?node=dfd34fb1aade

Comment 1

[Dzmitry Malyshau [:kvark]]

Thank you for filing!

Comment 2

[Dzmitry Malyshau [:kvark]]

Attachment: Only free WebGPU implicit layouts if they are given

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/996c8dfba713
Only free WebGPU implicit layouts if they are given r=jimb

Comment 4

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/996c8dfba713