1865835 - Crash in [@ dwrote::font_family::FontFamily::get_first_matching_font]

Status: RESOLVED FIXED

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

Description

[Donal Meehan [:dmeehan]]

Crash report: https://crash-stats.mozilla.org/report/index/460ebcec-5b4e-41f3-b880-000ee0231121

MOZ_CRASH Reason: assertion failed: hr == 0

Top 10 frames of crashing thread:

0  xul.dll  MOZ_Crash  mfbt/Assertions.h:281
0  xul.dll  RustMozCrash  mozglue/static/rust/wrappers.cpp:17
1  xul.dll  mozglue_static::panic_hook  mozglue/static/rust/lib.rs:96
2  xul.dll  core::ops::function::Fn::call<void   /rustc/79e9716c980570bfd1f666e3b16ac583f0168962/library/core/src/ops/function.rs:250
3  xul.dll  alloc::boxed::impl$49::call  library/alloc/src/boxed.rs:2021
3  xul.dll  std::panicking::rust_panic_with_hook  library/std/src/panicking.rs:735
4  xul.dll  std::panicking::begin_panic_handler::closure$0  library/std/src/panicking.rs:601
5  xul.dll  std::sys_common::backtrace::__rust_end_short_backtrace<std::panicking::begin_panic_handler::closure_env$0, never$>  library/std/src/sys_common/backtrace.rs:170
6  xul.dll  std::panicking::begin_panic_handler  library/std/src/panicking.rs:597
7  xul.dll  core::panicking::panic_fmt  library/core/src/panicking.rs:72

Comment 1

[Donal Meehan [:dmeehan]]

Setting Fx122 to fixed, the regressor was backed out of central

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

:cmartin, since you are the author of the regressor, bug 1860062, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

The bug is linked to a topcrash signature, which matches the following criterion:

• Top 10 desktop browser crashes on nightly (startup)

For more information, please visit BugBot documentation.

Comment 4

[Chris Martin [:cmartin]]

Should be fixed by backout.